LAST of the c code comment translations... hooray!

Might be possible I mised an .h or so, just notify me in that case.

29 files changed, 469 insertions, 487 deletions

diff --git a/source/blender/blenpluginapi/floatpatch.h b/source/blender/blenpluginapi/floatpatch.h
index d33ab7629e1..8e6fab8a363 100644
--- a/source/blender/blenpluginapi/floatpatch.h
+++ b/source/blender/blenpluginapi/floatpatch.h
@@ -3,8 +3,8 @@
  * 
  * All rights reserved.
  * 
- * Contact:      blender@blender.nl   
- * Information:  http://www.blender.nl
+ * Contact:      info@blender.org   
+ * Information:  http://www.blender.org
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
diff --git a/source/blender/blenpluginapi/iff.h b/source/blender/blenpluginapi/iff.h
index 5d422e413b4..a9c02c1020c 100644
--- a/source/blender/blenpluginapi/iff.h
+++ b/source/blender/blenpluginapi/iff.h
@@ -3,8 +3,8 @@
  * 
  * All rights reserved.
  * 
- * Contact:      blender@blender.nl   
- * Information:  http://www.blender.nl
+ * Contact:      info@blender.org   
+ * Information:  http://www.blender.org
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
diff --git a/source/blender/blenpluginapi/plugin.h b/source/blender/blenpluginapi/plugin.h
index 59596b8b7df..6956bcf09d3 100644
--- a/source/blender/blenpluginapi/plugin.h
+++ b/source/blender/blenpluginapi/plugin.h
@@ -3,8 +3,8 @@
  * 
  * All rights reserved.
  * 
- * Contact:      blender@blender.nl   
- * Information:  http://www.blender.nl
+ * Contact:      info@blender.org   
+ * Information:  http://www.blender.org
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
diff --git a/source/blender/blenpluginapi/util.h b/source/blender/blenpluginapi/util.h
index 66540581ba5..b62ea47a02e 100644
--- a/source/blender/blenpluginapi/util.h
+++ b/source/blender/blenpluginapi/util.h
@@ -3,8 +3,8 @@
  * 
  * All rights reserved.
  * 
- * Contact:      blender@blender.nl   
- * Information:  http://www.blender.nl
+ * Contact:      info@blender.org   
+ * Information:  http://www.blender.org
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
diff --git a/source/blender/include/BIF_gl.h b/source/blender/include/BIF_gl.h
index 98c6a93c56f..a4ccfa28768 100644
--- a/source/blender/include/BIF_gl.h
+++ b/source/blender/include/BIF_gl.h
@@ -47,9 +47,7 @@
 	 * change to a function. - zr
 	 */
 	 
-/* Mij afspraak is cpack een getal dat als 0xFFaa66 of zo kan worden
- * uitgedrukt. Is dus gevoelig voor endian.  Met deze define wordt het
- * altijd goed afgebeeld 
+/* 
  *
  * This define converts a numerical value to the equivalent 24-bit
  * colour, while not being endian-sensitive. On little-endians, this
diff --git a/source/blender/include/BIF_toolbox.h b/source/blender/include/BIF_toolbox.h
index 8d63feba1ee..d5a18f62426 100644
--- a/source/blender/include/BIF_toolbox.h
+++ b/source/blender/include/BIF_toolbox.h
@@ -30,13 +30,13 @@
  * ***** END GPL/BL DUAL LICENSE BLOCK *****
  */
 
-	/* TBOXX: breedte in pixels */
+	/* TBOXX: width in pixels */
 #define TBOXXL  80
 #define TBOXXR  170
 #define TBOXX	(TBOXXL+TBOXXR)
-	/* TBOXEL: aantal elementen onder elkaar */
+	/* TBOXEL: amount of element vertically */
 #define TBOXEL	14
-	/* TBOXH: hoogte van 1 element */
+	/* TBOXH: height of 1 element */
 #define TBOXH	20
 #define TBOXY	TBOXH*TBOXEL
 
diff --git a/source/blender/include/blendef.h b/source/blender/include/blendef.h
index 4fdc799eaca..54bc187afb2 100644
--- a/source/blender/include/blendef.h
+++ b/source/blender/include/blendef.h
@@ -42,12 +42,12 @@
 #define MAXFLOAT  ((float)3.40282347e+38)
 #endif
 
-#include <float.h>	/* deze moet een keer naar de blender.h */
+#include <float.h>	
 
 
 
 
-/* **************** ALGEMEEN ********************* */
+/* **************** GENERAL ********************* */
 
 #define VECCOPY(v1,v2) 		{*(v1)= *(v2); *(v1+1)= *(v2+1); *(v1+2)= *(v2+2);}
 #define QUATCOPY(v1,v2) 	{*(v1)= *(v2); *(v1+1)= *(v2+1); *(v1+2)= *(v2+2); *(v1+3)= *(v2+3);}
@@ -134,7 +134,7 @@
 #define FNT_HAEBERLI 2
 
 
-/* isect en scanfill */
+/* isect and scanfill */
 #define COMPLIMIT	0.0003
 
 
@@ -142,7 +142,7 @@
 
 
 #define MAXLAMP		256
-/* max lengte material array, 16 vanwege bitjes in matfrom */
+/* max length material array, 16 because of bits in matfrom */
 #define MAXPICKBUF	2000
 #define MAXSEQ		32
 /*  in Image struct */
@@ -182,7 +182,7 @@
 #define B_TEXALONE		47
 #define B_MESHALONE		48
 #define B_CURVEALONE	49
-/* EVENT < 50: alone's en locals */
+/* EVENT < 50: alones en locals */
 
 #define B_KEEPDATA			60
 #define B_CONSOLETOG		61
@@ -226,7 +226,7 @@
 /* VIEW3D: 100 */
 #define B_HOME			101
 #define B_LAY			102
-/* pasop: codes 102-132 in gebuik voor layers */
+/* watch: codes 102-132 in in use for layers */
 #define B_AUTOKEY		139
 #define B_SCENELOCK		140
 #define B_LOCALVIEW		141
@@ -266,7 +266,7 @@
 #define B_NEWOOPS		253
 
 /* INFO: 300 */
-/* pas op: ook in filesel.c en editobject.c */
+/* watch: also in filesel.c and editobject.c */
 #define B_INFOSCR		301
 #define B_INFODELSCR	302
 #define B_INFOSCE		304
@@ -318,7 +318,7 @@
 #define B_MESHTYPE		405
 
 /* IMASEL: 450 */
-/* in de imasel.h */
+/* in imasel.h */
 
 /* TEXT: 500 */
 #define B_TEXTBROWSE	501
diff --git a/source/blender/src/editseq.c b/source/blender/src/editseq.c
index 637c0efc8af..54e63a1b42d 100644
--- a/source/blender/src/editseq.c
+++ b/source/blender/src/editseq.c
@@ -91,7 +91,7 @@
 
 #include "blendef.h"
 #include "mydevice.h"
-#include "interface.h" /* MAART: for button types, pupmenu */
+#include "interface.h" /*  for button types, pupmenu */
 
 Sequence *last_seq=0;
 char last_imagename[80]= "/";
@@ -103,7 +103,7 @@ char last_imagename[80]= "/";
 static int test_overlap_seq(Sequence *);
 static void shuffle_seq(Sequence *);
 
-static void change_plugin_seq(char *str)	/* aangeroepen vanuit fileselect */
+static void change_plugin_seq(char *str)	/* called from fileselect */
 {
 /*  	extern Sequence *last_seq; already done few lines before !!!*/
 	
@@ -171,7 +171,7 @@ Sequence *find_nearest_seq(int *hand)
 				
 				if(seq->type < SEQ_EFFECT) {
 					if( seq->handsize+seq->startdisp >=x ) {
-						/* binnen de driehoek? */
+						/* within triangle? */
 						facx= (x-seq->startdisp)/seq->handsize;
 						if( (y - (int)y) <0.5) {
 							facy= (y - 0.2 - (int)y)/0.3;
@@ -184,7 +184,7 @@ Sequence *find_nearest_seq(int *hand)
 						
 					}
 					else if( -seq->handsize+seq->enddisp <=x ) {
-						/* binnen de driehoek? */
+						/* within triangle? */
 						facx= 1.0 - (seq->enddisp-x)/seq->handsize;
 						if( (y - (int)y) <0.5) {
 							facy= (y - 0.2 - (int)y)/0.3;
@@ -207,7 +207,7 @@ Sequence *find_nearest_seq(int *hand)
 
 void clear_last_seq(void)
 {
-	/* vanuit (bijv) ipo: als ie veranderd is, ook meteen de effecten metzelfde ipo */
+	/* from (example) ipo: when it is changed, also do effects with same ipo */
 	Sequence *seq;
 	Editing *ed;
 	StripElem *se;
@@ -554,15 +554,15 @@ static void add_image_strips(char *name)
 
 	deselect_all_seq();
 	
-	/* is voor restore windowmatrices */
+	/* restore windowmatrices */
 	areawinset(curarea->win);
 	drawseqspace(curarea, curarea->spacedata.first);
 
-	/* sfile zoeken */
+	/* search sfile */
 	sfile= scrarea_find_space_of_type(curarea, SPACE_FILE);
 	if(sfile==0) return;
 
-	/* waar komen ze */
+	/* where will it be */
 	getmouseco_areawin(mval);
 	areamouseco_to_ipoco(G.v2d, mval, &x, &y);
 	cfra= (int)(x+0.5);
@@ -570,7 +570,7 @@ static void add_image_strips(char *name)
 
 	waitcursor(1);
 
-	/* ook inhoud van geselecteerde directories lezen */
+	/* also read contents of directories */
 	files= sfile->filelist;
 	totfile= sfile->totfile;
 	sfile->filelist= 0;
@@ -583,7 +583,7 @@ static void add_image_strips(char *name)
 				strcat(sfile->dir,"/");
 				read_dir(sfile);
 				
-				/* selecteer alles */
+				/* select all */
 				swapselect_file(sfile);
 				
 				if ( sfile_to_sequence(sfile, cfra, machine, 0) ) machine++;
@@ -596,7 +596,7 @@ static void add_image_strips(char *name)
 	sfile->filelist= files;
 	sfile->totfile= totfile;
 	
-	/* directory zelf lezen */
+	/* read directory itself */
 	sfile_to_sequence(sfile, cfra, machine, 1);
 
 	waitcursor(0);
@@ -614,15 +614,15 @@ static void add_movie_strip(char *name)
 
 	deselect_all_seq();
 	
-	/* is voor restore windowmatrices */
+	/* restore windowmatrices */
 	areawinset(curarea->win);
 	drawseqspace(curarea, curarea->spacedata.first);
 
-	/* sfile zoeken */
+	/* search sfile */
 	sfile= scrarea_find_space_of_type(curarea, SPACE_FILE);
 	if(sfile==0) return;
 
-	/* waar komen ze */
+	/* where will it be */
 	getmouseco_areawin(mval);
 	areamouseco_to_ipoco(G.v2d, mval, &x, &y);
 	cfra= (int)(x+0.5);
@@ -630,7 +630,7 @@ static void add_movie_strip(char *name)
 
 	waitcursor(1);
 
-	/* directory zelf lezen */
+	/* read directory itself */
 	sfile_to_mv_sequence(sfile, cfra, machine);
 
 	waitcursor(0);
@@ -648,9 +648,9 @@ static void reload_image_strip(char *name)
 	ed= G.scene->ed;
 
 	if(last_seq==0 || last_seq->type!=SEQ_IMAGE) return;
-	seqact= last_seq;	/* last_seq verandert in alloc_sequence */
+	seqact= last_seq;	/* last_seq changes in alloc_sequence */
 	
-	/* sfile zoeken */
+	/* search sfile */
 	sfile= scrarea_find_space_of_type(curarea, SPACE_FILE);
 	if(sfile==0) return;
 
@@ -712,9 +712,9 @@ static int add_seq_effect(int type)
 	if(G.scene->ed==0) return 0;
 	ed= G.scene->ed;
 
-	/* behalve de last_seq moet er nog een of twee geselecteerde seq zijn */
+	/* apart from last_seq there have to be 2 selected sequences */
 	seq1= seq3= 0;
-	seq2= last_seq;		/* last_seq verandert bij alloc_seq! */
+	seq2= last_seq;		/* last_seq changes with alloc_seq! */
 	seq= ed->seqbasep->first;
 	while(seq) {
 		if(seq->flag & SELECT) {
@@ -730,7 +730,7 @@ static int add_seq_effect(int type)
 		seq= seq->next;
 	}
 	
-	if(type==10) {	/* plugin: minimaal 1 select */
+	if(type==10) {	/* plugin: minimal 1 select */
 		if(seq2==0)  {
 			error("Need minimum one active sequence");
 			return 0;
@@ -748,7 +748,7 @@ static int add_seq_effect(int type)
 	
 	deselect_all_seq();
 
-	/* waar komt ie (cfra is eigenlijk niet nodig) */
+	/* where will it be (cfra is not realy needed) */
 	getmouseco_areawin(mval);
 	areamouseco_to_ipoco(G.v2d, mval, &x, &y);
 	cfra= (int)(x+0.5);
@@ -777,12 +777,11 @@ static int add_seq_effect(int type)
 	return 1;
 }
 
-static void load_plugin_seq(char *str)		/* aangeroepen vanuit fileselect */
+static void load_plugin_seq(char *str)		/* called from fileselect */
 {
-/*  	extern Sequence *last_seq; already present in this file... */
 	Editing *ed;
 	
-	add_seq_effect(10);		/* deze zet last_seq */
+	add_seq_effect(10);		/* this sets last_seq */
 	
 	free_plugin_seq(last_seq->plugin);
 	
@@ -833,7 +832,7 @@ void add_sequence(int type)
 		activate_fileselect(FILE_SPECIAL, "SELECT MOVIE", last_imagename, add_movie_strip);
 		break;
 	case 101:
-		/* nieuwe menu: */
+		/* new menu: */
 		IDnames_to_pupstring(&str, NULL, NULL, &G.main->scene, (ID *)G.scene, &nr);
 
 		event= pupmenu(str);
@@ -850,7 +849,7 @@ void add_sequence(int type)
 				
 				deselect_all_seq();
 				
-				/* waar komt ie ? */
+				/* where ? */
 				getmouseco_areawin(mval);
 				areamouseco_to_ipoco(G.v2d, mval, &x, &y);
 				cfra= (int)(x+0.5);
@@ -914,9 +913,9 @@ void change_sequence(void)
 			else if(event==11) {
 				activate_fileselect(FILE_SPECIAL, "SELECT PLUGIN", U.plugseqdir, change_plugin_seq);				
 			}
-			else if(event==12);	/* recalculate: alleen new_stripdata */
+			else if(event==12);	/* recalculate: only new_stripdata */
 			else {
-				/* voor zekerheid plugin vrijgeven */
+				/* to be sure, free plugin */
 				free_plugin_seq(last_seq->plugin);
 				last_seq->plugin= 0;
 				last_seq->type= event_to_efftype(event);
@@ -999,7 +998,7 @@ void del_seq(void)
 	
 	recurs_del_seq(ed->seqbasep);
 	
-	/* effecten testen */
+	/* test effects */
 	doit= 1;
 	while(doit) {
 		doit= 0;
@@ -1018,17 +1017,17 @@ void del_seq(void)
 		}
 	}
 	
-	/* lengtes en zo updaten */
+	/* updates lengths etc */
 	seq= ed->seqbasep->first;
 	while(seq) {
 		calc_sequence(seq);
 		seq= seq->next;
 	}
 	
-	/* parent meta's vrijgeven */
+	/* free parent metas */
 	ms= ed->metastack.last;
 	while(ms) {
-		ms->parseq->strip->len= 0;		/* forceer nieuwe alloc */
+		ms->parseq->strip->len= 0;		/* force new alloc */
 		calc_sequence(ms->parseq);
 		ms= ms->prev;
 	}
@@ -1088,7 +1087,7 @@ static void recurs_dupli_seq(ListBase *old, ListBase *new)
 				
 				if(seqn->len>0) {
 					seqn->strip->stripdata= MEM_callocN(seq->len*sizeof(StripElem), "stripelem");
-					/* kopie eerste elem */
+					/* copy first elem */
 					*seqn->strip->stripdata= *seq->strip->stripdata;
 					se= seqn->strip->stripdata;
 					a= seq->len;
@@ -1165,7 +1164,7 @@ int insert_gap(int gap, int cfra)
 	Editing *ed;
 	int done=0;
 	
-	/* alle strips >= cfra opschuiven */
+	/* all strips >= cfra are shifted */
 	ed= G.scene->ed;
 	if(ed==0) return 0;
 	
@@ -1185,10 +1184,9 @@ void touch_seq_files(void)
 {
 	Sequence *seq;
 	Editing *ed;
-/*  	int done=0; */
 	char str[256];
 	
-	/* alle strips movies touchen */
+	/* touch all strips with movies */
 	ed= G.scene->ed;
 	if(ed==0) return;
 	
@@ -1216,7 +1214,6 @@ void set_filter_seq(void)
 {
 	Sequence *seq;
 	Editing *ed;
-/*  	int done=0; */
 	
 	ed= G.scene->ed;
 	if(ed==0) return;
@@ -1273,7 +1270,7 @@ void make_meta(void)
 	ed= G.scene->ed;
 	if(ed==0) return;
 
-	/* is er wel meer dan 1 select */
+	/* is there more than 1 select */
 	tot= 0;
 	seq= ed->seqbasep->first;
 	while(seq) {
@@ -1284,7 +1281,7 @@ void make_meta(void)
 	
 	if(okee("Make Meta")==0) return;
 	
-	/* samenhang testen */
+	/* test relationships */
 	seq= ed->seqbasep->first;
 	while(seq) {
 		if(seq->flag & SELECT) {
@@ -1307,7 +1304,7 @@ void make_meta(void)
 		return;
 	}
 
-	/* alle select uit hoofdlijst halen en in meta stoppen */
+	/* remove all selected from main list, and put in meta */
 
 	seqm= alloc_sequence(1, 1);
 	seqm->type= SEQ_META;
@@ -1355,7 +1352,7 @@ void un_meta(void)
 	BLI_remlink(ed->seqbasep, last_seq);
 	free_sequence(last_seq);
 
-	/* effecten testen */
+	/* test effects */
 	doit= 1;
 	while(doit) {
 		doit= 0;
@@ -1375,7 +1372,7 @@ void un_meta(void)
 	}
 
 
-	/* testen op effects en overlap */
+	/* test for effects and overlap */
 	WHILE_SEQ(ed->seqbasep) {
 		if(seq->flag & SELECT) {
 			seq->flag &= ~SEQ_OVERLAP;
@@ -1406,10 +1403,10 @@ static void exit_meta(void)
 
 	ed->seqbasep= ms->oldbasep;
 
-	/* de hele meta herberekenen */
+	/* recalc entire meta */
 	set_meta_stripdata(ms->parseq);
 
-	/* allemaal herberekenen: de meta kan effecten eraan hebben hangen */
+	/* recalc all: the meta can have effects connected to it */
 	seq= ed->seqbasep->first;
 	while(seq) {
 		calc_sequence(seq);
@@ -1471,9 +1468,9 @@ void transform_seq(int mode)
 	short mval[2], val, xo, yo, xn, yn;
 	char str[32];
 	
-	if(mode!='g') return;	/* vanuit gesture */
+	if(mode!='g') return;	/* from gesture */
 	
-	/* welke seqs doen mee */
+	/* which seqs are involved */
 	ed= G.scene->ed;
 	if(ed==0) return;
 	
@@ -1610,7 +1607,7 @@ void transform_seq(int mode)
 			xo= mval[0];
 			yo= mval[1];
 			
-			/* testen op effect en overlap */
+			/* test for effect and overlap */
 			
 			WHILE_SEQ(ed->seqbasep) {
 				if(seq->flag & SELECT) {
@@ -1683,7 +1680,7 @@ void transform_seq(int mode)
 	}
 	else {
 
-		/* images, effecten en overlap */
+		/* images, effects and overlap */
 		WHILE_SEQ(ed->seqbasep) {
 			if(seq->type == SEQ_META) {
 				calc_sequence(seq);
@@ -1699,7 +1696,7 @@ void transform_seq(int mode)
 		}
 		END_SEQ
 		
-		/* als laatste: */
+		/* as last: */
 		sort_seq();
 	}
 	
@@ -1741,7 +1738,7 @@ void clever_numbuts_seq(void)
 
 		add_numbut(0, TEX, "Name:", 0.0, 21.0, last_seq->name+2, 0);
 		add_numbut(1, TOG|SHO|BIT|4, "FilterY", 0.0, 1.0, &last_seq->flag, 0);
-		/* waarschuwing: alleen een enkele bitjes-button mogelijk: er wordt op kopiedata gewerkt! */
+		/* warning: only a single bit-button possible: we work at copied data! */
 		add_numbut(2, NUM|FLO, "Mul", 0.01, 5.0, &last_seq->mul, 0);
 
 		if( do_clever_numbuts("Movie", 3, REDRAW) ) {
@@ -1779,7 +1776,7 @@ void seq_snapmenu(void)
 
 	/* problem: contents of meta's are all shifted to the same position... */
 
-	/* ook meta's aflopen */
+	/* also check metas */
 	WHILE_SEQ(ed->seqbasep) {
 		if(seq->flag & SELECT) {
 			if(seq->type<SEQ_EFFECT) seq->start= CFRA-seq->startofs+seq->startstill;
@@ -1789,7 +1786,7 @@ void seq_snapmenu(void)
 	END_SEQ
 	
 	
-	/* testen op effects en overlap */
+	/* test for effects and overlap */
 	WHILE_SEQ(ed->seqbasep) {
 		if(seq->flag & SELECT) {
 			seq->flag &= ~SEQ_OVERLAP;
@@ -1805,7 +1802,7 @@ void seq_snapmenu(void)
 	}
 	END_SEQ;
 
-	/* als laatste: */
+	/* as last: */
 	sort_seq();
 		
 	allqueue(REDRAWSEQ, 0);
diff --git a/source/blender/src/editsima.c b/source/blender/src/editsima.c
index 70fc1f26802..88fb87499d9 100644
--- a/source/blender/src/editsima.c
+++ b/source/blender/src/editsima.c
@@ -219,7 +219,7 @@ static void be_square_tface_uv(Mesh *me)
 	MFace *mface;
 	int a;
 	
-	/* als 1 punt select: doit (met het select punt) */
+	/* if 1 vertex selected: doit (with the selected vertex) */
 	for(a=me->totface, mface= me->mface, tface= me->tface; a>0; a--, tface++, mface++) {
 		if(mface->v4) {
 			if(tface->flag & TF_SELECT) {
@@ -323,7 +323,7 @@ void transform_tface_uv(int mode)
 	else {
 		xim= yim= 256;
 	}
-	/* welke vertices doen mee */
+	/* which vertices are involved */
 	
 	for(a=me->totface, tface= me->tface, mface= me->mface; a>0; a--, tface++, mface++) {
 		if((tface->flag & TF_SELECT) && mface->v3) {
diff --git a/source/blender/src/editview.c b/source/blender/src/editview.c
index e3ab75bf9fe..72df0915900 100644
--- a/source/blender/src/editview.c
+++ b/source/blender/src/editview.c
@@ -124,20 +124,20 @@ static char interpret_move(short mcord[][2], int count)
 	
 	if (count <= 10) return ('g');
 
-	/* van short naar float (tekenen is met shorts) */
+	/* from short to float (drawing is with shorts) */
 	for(j=0; j<count; j++) {
 		mouse[j][0]= mcord[j][0];
 		mouse[j][1]= mcord[j][1];
 	}
 	
-	/* nieuwe opzet:
+	/* new method:
 	 * 
-	 * vanuit eindpunten middelpunt met maximale afstand berekenen
-	 * aan de hand van de hoek wordt s / g / r bepaald
+	 * starting from end points, calculate centre with maximum distance
+	 * dependant at the angle s / g / r is defined
 	 */
 	
 
-	/* filteren */
+	/* filter */
 	
 	for( j = 3 ; j > 0; j--){
 		x1 = mouse[1][0];
@@ -152,7 +152,7 @@ static char interpret_move(short mcord[][2], int count)
 		}
 	}
 
-	/* maak directions overzicht */
+	/* make overview of directions */
 	for (i = 0; i <= count - 2; i++){
 		x1 = mouse[i][0] - mouse[i + 1][0];
 		y1 = mouse[i][1] - mouse[i + 1][1];
@@ -172,7 +172,7 @@ static char interpret_move(short mcord[][2], int count)
 		}
 	}
 	
-	/* alle kruisjes naar rechts halen */
+	/* move all crosses to the right */
 	for (i = 7; i>=0 ; i--){
 		if (dir & 128) dir = (dir << 1) + 1;
 		else break;
@@ -183,9 +183,9 @@ static char interpret_move(short mcord[][2], int count)
 		else break;
 	}
 	
-	/* theorie zegt: 1 richting: rechte lijn
-     * meer aaneengesloten richtingen: cirkel
-     * onderbroken en minstens 1 bit gezet in hoogste 4 bits: size
+	/* in theory: 1 direction: straight line
+     * multiple sequential directions: circle
+     * non-sequential, and 1 bit set in upper 4 bits: size
      */
 	switch(dir){
 	case 1:
@@ -218,7 +218,7 @@ static char interpret_move(short mcord[][2], int count)
 		return ('r');
 		break;
 	default:
-		/* bij size moeten minstens een van de hogere bits gezet zijn */
+		/* for size at least one of the higher bits has to be set */
 		if (dir < 16) return ('r');
 		else return ('s');
 	}
@@ -234,7 +234,7 @@ int gesture(void)
 	short mval[2], val;
 	
 	glDrawBuffer(GL_FRONT);
-	persp(0);	/* heeft ortho op pixelnivo */
+	persp(0);	/*  ortho at pixel level */
 	
 	getmouseco_areawin(mval);
 	
@@ -378,7 +378,7 @@ void deselectall(void)	/* is toggle */
 
 }
 
-static void deselectall_ex(Base *b)   /* ALLES deselect behalve b */
+static void deselectall_ex(Base *b)   /* deselect all except b */
 {
 	Base *base;
 
@@ -389,7 +389,7 @@ static void deselectall_ex(Base *b)   /* ALLES deselect behalve b */
 			
 				base->flag &= ~SELECT;
 				base->object->flag= base->flag;
-				draw_object_ext(base);	/* deze test op layer */
+				draw_object_ext(base);	/* this test for layer */
 			}
 		}
 		base= base->next;
@@ -430,7 +430,7 @@ static unsigned int samplerect(unsigned int *buf, int size, unsigned int dontdo)
 			for(b=0;b<tel;b++) {
 
 				if(*buf && *buf<=maxob && *buf!=dontdo) return *buf;
-				if( *buf==dontdo ) retval= dontdo;	/* als alleen kleur dontdo aanwezig is, wel dontdo teruggeven */
+				if( *buf==dontdo ) retval= dontdo;	/* if only color dontdo is available, still return dontdo */
 				
 				buf+= (dirvec[rc][0]+dirvec[rc][1]);
 
@@ -450,12 +450,12 @@ void set_active_base(Base *base)
 	
 	BASACT= base;
 	
-	/* signalen naar buttons */
+	/* signals to buttons */
 	redraw_test_buttons(base);
 
 	set_active_group();
 	
-	/* signaal naar ipo */
+	/* signal to ipo */
 
 	if (base) {
 		allqueue(REDRAWIPO, base->object->ipowin);
@@ -487,7 +487,7 @@ void mouse_select(void)
 	int temp, a, dist=100;
 	short hits, mval[2];
 
-	/* iedere keer lijst starten vanuit basact */
+	/* always start list from basact */
 	startbase=  FIRSTBASE;
 	if(BASACT && BASACT->next) startbase= BASACT->next;
 
@@ -514,8 +514,8 @@ void mouse_select(void)
 			if(base==0) base= FIRSTBASE;
 			if(base==startbase) break;
 		}
-		
-		/* volledige redraw als */
+
+		/* complete redraw when: */
 		if(G.f & (G_VERTEXPAINT+G_FACESELECT+G_TEXTUREPAINT+G_WEIGHTPAINT)) allqueue(REDRAWVIEW3D, 0);
 		
 	}
@@ -544,7 +544,7 @@ void mouse_select(void)
 	
 	if(basact) {
 		if(G.obedit) {
-			/* alleen select doen */
+			/* only do select */
 			deselectall_ex(BASACT);
 			basact->flag |= SELECT;
 			draw_object_ext(basact);
@@ -781,10 +781,6 @@ void borderselect(void)
 					}
 				}
 				
-					/* XXX, are all these really needed?
-					 * I just copied them from the G.obpose
-					 * OB_ARMATURE section above. - zr
-					 */
 				allqueue(REDRAWBUTSEDIT, 0);
 				allqueue(REDRAWBUTSCONSTRAINT, 0);
 				allqueue(REDRAWACTION, 0);
@@ -836,11 +832,11 @@ void borderselect(void)
 			}
 			allqueue(REDRAWDATASELECT, 0);
 			
-			/* i.v.m. backbufprojektie */
+			/* because backbuf drawing */
 			tel= 1;
 			base= FIRSTBASE;
 			while(base) {
-				/* elke base ivm meerdere windows */
+				/* each base because of multiple windows */
 				base->selcol = ((tel & 0xF00)<<12) 
 					+ ((tel & 0xF0)<<8) 
 					+ ((tel & 0xF)<<4);
@@ -893,7 +889,7 @@ void mesh_selectionCB(int selecting, Object *editobj, short *mval, float rad)
 	}
 	else {
 		if(selecting!=LEFTMOUSE) tekenvertices_ext(0);
-		/* altijd geselecteerde vertices tekenen */
+		/* always draw selected vertices */
 		tekenvertices_ext(1);
 	}
 }
@@ -1037,7 +1033,7 @@ void circle_select(void)
 	
 	while(TRUE) {
 		
-		/* als een renderwindow open is en de muis gaat erin */
+		/* when a renderwindow is open and mouse enters it (activates sometimes) */
 
 		mywinset(curarea->win);
 
@@ -1076,7 +1072,7 @@ void circle_select(void)
 					}
 					else {
 						if(selecting!=LEFTMOUSE) tekenvertices_ext(0);
-						/* altijd geselecteerde vertices tekenen */
+						/* always draw selected vertices */
 						tekenvertices_ext(1);
 					}
 				}
@@ -1191,7 +1187,7 @@ void circle_select(void)
 		}
 	}
 	
-	/* cirkel wissen */
+	/* clear circle */
 	draw_sel_circle(0, mvalo, 0, rad, 1);
 
 	countall();
@@ -1283,7 +1279,7 @@ void fly(void)
 		}
 		if(loop==0) break;
 		
-		/* dvec bepalen */
+		/* define dvec */
 		val= mval[0]-cent[0];
 		if(val>20) val-= 20; else if(val< -20) val+= 20; else val= 0;
 		dvec[0]= 0.000001*val*val;
@@ -1306,7 +1302,7 @@ void fly(void)
 			
 			Mat3CpyMat4(mat, G.vd->viewinv);
 			Mat3MulVecfl(mat, dvec);
-			quat= vectoquat(dvec, 5, 1);	/* track en upflag, niet die van de base: cameraview-berekening gebruikt ze niet */
+			quat= vectoquat(dvec, 5, 1);	/* track and upflag, not from the base: camera view calculation does not use that */
 			
 			QuatToEul(quat, G.vd->camera->rot);
 			
diff --git a/source/blender/src/filesel.c b/source/blender/src/filesel.c
index 4db2c6de5d4..f78e686ac91 100644
--- a/source/blender/src/filesel.c
+++ b/source/blender/src/filesel.c
@@ -294,7 +294,7 @@ static int compare_name(const void *a1, const void *a2)
 {
 	const struct direntry *entry1=a1, *entry2=a2;
 
-	/* type is gelijk aan stat.st_mode */
+	/* type is is equal to stat.st_mode */
 
 	if (S_ISDIR(entry1->type)){
 		if (S_ISDIR(entry2->type)==0) return (-1);
@@ -315,7 +315,7 @@ static int compare_date(const void *a1, const void *a2)
 {
 	const struct direntry *entry1=a1, *entry2=a2;
 	
-	/* type is gelijk aan stat.st_mode */
+	/* type is equal to stat.st_mode */
 
 	if (S_ISDIR(entry1->type)){
 		if (S_ISDIR(entry2->type)==0) return (-1);
@@ -343,7 +343,7 @@ static int compare_size(const void *a1, const void *a2)
 {
 	const struct direntry *entry1=a1, *entry2=a2;
 
-	/* type is gelijk aan stat.st_mode */
+	/* type is equal to stat.st_mode */
 
 	if (S_ISDIR(entry1->type)){
 		if (S_ISDIR(entry2->type)==0) return (-1);
@@ -396,7 +396,7 @@ void filesel_statistics(SpaceFile *sfile, int *totfile, int *selfile, float *tot
 	}
 }
 
-/* *************** HULPFUNKTIES ******************* */
+/* *************** HELP FUNCTIONS ******************* */
 
 /* This is a really ugly function... its purpose is to
  * take the space file name and clean it up, replacing
@@ -413,7 +413,7 @@ void checkdir(char *dir)
 	strcpy(dir, tmp);
 	
 #ifdef WIN32
-	if(dir[0]=='.') {	/* komt voor, o.a. bij FILE_MAIN */
+	if(dir[0]=='.') {	/* happens for example in FILE_MAIN */
 		dir[0]= '\\';
 		dir[1]= 0;
 		return;
@@ -439,7 +439,7 @@ void checkdir(char *dir)
 		strcpy(start,eind);
 	}
 
-	if(a = strlen(dir)){				/* eerst alle '\\' weghalen aan het eind */
+	if(a = strlen(dir)){				/* remove the '\\' at the end */
 		while(a>0 && dir[a-1] == '\\'){
 			a--;
 			dir[a] = 0;
@@ -448,7 +448,7 @@ void checkdir(char *dir)
 
 	strcat(dir, "\\");
 #else	
-	if(dir[0]=='.') {	/* komt voor, o.a. bij FILE_MAIN */
+	if(dir[0]=='.') {	/* happens, for example in FILE_MAIN */
 		dir[0]= '/';
 		dir[1]= 0;
 		return;
@@ -474,7 +474,7 @@ void checkdir(char *dir)
 		strcpy(start,eind);
 	}
 
-	if( (a = strlen(dir)) ){				/* eerst alle '/' weghalen aan het eind */
+	if( (a = strlen(dir)) ){				/* remove all '/' at the end */
 		while(dir[a-1] == '/'){
 			a--;
 			dir[a] = 0;
@@ -495,7 +495,7 @@ void test_flags_file(SpaceFile *sfile)
 	
 	for(num=0; num<sfile->totfile; num++, file++) {
 		file->flags= 0;
-		file->type= file->s.st_mode;	/* restore het geknoei van hieronder */ 
+		file->type= file->s.st_mode;	/* restore the mess below */ 
 		
 			/* Don't check extensions for directories */ 
 		if (file->type&S_IFDIR)
@@ -633,7 +633,7 @@ void read_dir(SpaceFile *sfile)
 	int num, len;
 	char wdir[FILE_MAXDIR];
 
-	/* sfile->act wordt gebruikt o.a. bij databrowse: dubbele namen van library objecten */
+	/* sfile->act is used for example in databrowse: double names of library objects */
 	sfile->act= -1;
 
 	if(sfile->type==FILE_MAIN) {
@@ -714,20 +714,20 @@ void parent(SpaceFile *sfile)
 	short a;
 	char *dir;
 	
-	/* als databrowse: geen parent */
+	/* if databrowse: no parent */
 	if(sfile->type==FILE_MAIN && sfile->returnfunc) return;
 
 	dir= sfile->dir;
 	
 #ifdef WIN32
-	if(a = strlen(dir)) {				/* eerst alle '/' weghalen aan het eind */
+	if(a = strlen(dir)) {				/* remove all '/' at the end */
 		while(dir[a-1] == '\\') {
 			a--;
 			dir[a] = 0;
 			if (a<=0) break;
 		}
 	}
-	if(a = strlen(dir)) {				/* daarna alles weghalen tot aan '/' */
+	if(a = strlen(dir)) {				/* then remove all until '/' */
 		while(dir[a-1] != '\\') {
 			a--;
 			dir[a] = 0;
@@ -739,14 +739,14 @@ void parent(SpaceFile *sfile)
 	}
 	else if(sfile->type!=FILE_MAIN) strcpy(dir,"\\");
 #else
-	if( (a = strlen(dir)) ) {				/* eerst alle '/' weghalen aan het eind */
+	if( (a = strlen(dir)) ) {				/* remove all '/' at the end */
 		while(dir[a-1] == '/') {
 			a--;
 			dir[a] = 0;
 			if (a<=0) break;
 		}
 	}
-	if( (a = strlen(dir)) ) {				/* daarna alles weghalen tot aan '/' */
+	if( (a = strlen(dir)) ) {				/* then remove until '/' */
 		while(dir[a-1] != '/') {
 			a--;
 			dir[a] = 0;
@@ -829,7 +829,7 @@ static void calc_file_rcts(SpaceFile *sfile)
 	filebuty2= filebuty1+FILESELHEAD/2 -6;
 	
 	
-	/* aantal kolommen */
+	/* amount of collums */
 	len= sfile->maxnamelen+25;
 	
 	if(sfile->type==FILE_MAIN) len+= 100;
@@ -998,12 +998,12 @@ static void printregel(SpaceFile *sfile, struct direntry *files, int x, int y)
 
 static int calc_filesel_regel(SpaceFile *sfile, int nr, int *valx, int *valy)
 {
-	/* sco van de de regel */
+	/* get screen coordinate of a 'regel', dutch for line */
 	int val, coll;
 
 	nr-= sfile->ofs;
 
-	/* aantal regels in de hoogte */
+	/* amount of lines */
 	val= (textrct.ymax-textrct.ymin)/FILESEL_DY;
 	coll= nr/val;
 	nr -= coll*val;
@@ -1088,11 +1088,11 @@ static void draw_filetext(SpaceFile *sfile)
 	if(textrct.ymin+10 >= textrct.ymax) return;
 
 
-	/* kader */
+	/* box */
 	cpack(0x717171);
 	glRecti(textrct.xmin,  textrct.ymin,  textrct.xmax,  textrct.ymax);
 
-	/* kolommen */
+	/* collums */
 	x= textrct.xmin+collumwidth;
 	for(a=1; a<sfile->collums; a++, x+= collumwidth) {
 		cpack(0x303030);
@@ -1103,7 +1103,7 @@ static void draw_filetext(SpaceFile *sfile)
 
 	if(sfile->filelist==0) return;
 	
-	/* test: als muis niet in area staat: de HILITE wissen */
+	/* test: if mouse is not in area: clear HILITE */
 	getmouseco_areawin(mval);
 
 	if(mval[0]<0 || mval[0]>curarea->winx) {
@@ -1119,7 +1119,7 @@ static void draw_filetext(SpaceFile *sfile)
 		printregel(sfile, files, x, y);
 	}
 
-	/* wissen tekenfoutjes, tekst teveel aan de rechterkant: */
+	/* clear drawing errors, with text at the right hand side: */
 	uiEmboss(textrct.xmin, textrct.ymin, textrct.xmax, textrct.ymax, 1);
 	
 	glColor3f(.5625, .5625, .5625);
@@ -1146,7 +1146,7 @@ void drawfilespace(ScrArea *sa, void *spacedata)
 		
 		calc_file_rcts(sfile);
 		
-		/* act berekenen */ 
+		/* calculate act */ 
 		getmouseco_areawin(mval);
 		act= find_active_file(sfile, mval[0], mval[1]);
 		if(act>=0 && act<sfile->totfile)
@@ -1184,7 +1184,7 @@ void drawfilespace(ScrArea *sa, void *spacedata)
 	draw_filescroll(sfile);
 	draw_filetext(sfile);
 	
-	/* andere diskfree etc ? */
+	/* others diskfree etc ? */
 	scrarea_queue_headredraw(curarea);	
 	
 	uiDrawBlock(block);
@@ -1199,7 +1199,7 @@ static void do_filescroll(SpaceFile *sfile)
 	calc_file_rcts(sfile);
 	
 	filescrollselect= 1;
-	/* voor mooiigheid */
+	/* for beauty */
 
 	glDrawBuffer(GL_FRONT);
 	draw_filescroll(sfile);
@@ -1233,7 +1233,7 @@ static void do_filescroll(SpaceFile *sfile)
 	}
 	filescrollselect= 0;
 
-	/* voor mooiigheid */
+	/* for beauty */
 	glDrawBuffer(GL_FRONT);
 	draw_filescroll(sfile);
 	glDrawBuffer(GL_BACK);
@@ -1272,7 +1272,7 @@ void activate_fileselect(int type, char *title, char *file, void (*func)(char *)
 	newspace(curarea, SPACE_FILE);
 	scrarea_queue_winredraw(curarea);
 	
-	/* is misschien dubbelop, voor geval area al SPACE_FILE is met andere filename */
+	/* sometime double, when area already is SPACE_FILE with a different file name */
 	addqueue(curarea->headwin, CHANGED, 1);
 	
 
@@ -1284,7 +1284,7 @@ void activate_fileselect(int type, char *title, char *file, void (*func)(char *)
 	sfile->returnfunc= func;
 	sfile->type= type;
 	sfile->ofs= 0;
-	/* sfile->act wordt gebruikt bij databrowse: dubbele namen van library objecten */
+	/* sfile->act is used for databrowse: double names of library objects */
 	sfile->act= -1;
 	
 	if(BLI_convertstringcode(name, G.sce, G.scene->r.cfra)) sfile->flag |= FILE_STRINGCODE;
@@ -1301,7 +1301,7 @@ void activate_fileselect(int type, char *title, char *file, void (*func)(char *)
 			strcat(sfile->dir, "/");
 		}
 
-		/* alles vrijgeven */
+		/* free all */
 		if(sfile->libfiledata) BLO_blendhandle_close(sfile->libfiledata);
 		sfile->libfiledata= 0;
 		
@@ -1310,7 +1310,7 @@ void activate_fileselect(int type, char *title, char *file, void (*func)(char *)
 	else if(type==FILE_LOADLIB) {
 		strcpy(sfile->dir, name);
 		if( is_a_library(sfile, temp, group) ) {
-			/* dit geval is om een reload van library-filelist te veroorzaken */
+			/* to force a reload of the library-filelist */
 			if(sfile->libfiledata==0) {
 				freefilelist(sfile);
 			}
@@ -1322,9 +1322,9 @@ void activate_fileselect(int type, char *title, char *file, void (*func)(char *)
 		}
 	}
 	else {	/* FILE_BLENDER */
-		split_sfile(sfile, name);	/* test ook de filelist */
+		split_sfile(sfile, name);	/* test filelist too */
 		
-		/* vrijgeven: filelist en libfiledata kloppen niet meer */
+		/* free: filelist and libfiledata became incorrect */
 		if(sfile->libfiledata) BLO_blendhandle_close(sfile->libfiledata);
 		sfile->libfiledata= 0;
 	}
@@ -1342,7 +1342,7 @@ void activate_imageselect(int type, char *title, char *file, void (*func)(char *
 	
 	newspace(curarea, SPACE_IMASEL);
 	
-	/* is misschien dubbelop, voor geval area al SPACE_FILE is met andere filename */
+	/* sometimes double, when area is already SPACE_FILE with a different file name */
 	addqueue(curarea->headwin, CHANGED, 1);
 	addqueue(curarea->win, CHANGED, 1);
 
@@ -1427,7 +1427,7 @@ static int getotherdir(void)
 		if(sa!=curarea) {
 			if(sa->spacetype==SPACE_FILE) {
 				
-				/* al een gevonden */
+				/* already found one */
 				if(sfile) return 0;
 		
 				sfile= sa->spacedata.first;
@@ -1449,7 +1449,7 @@ static void reread_other_fs(void)
 {
 	SpaceFile *sfile;
 	
-	/* oppassen: alleen aanroepen als getotherdir goed is afgelopen */
+	/* watch it: only call when getotherdir returned OK */
 	
 	sfile= otherarea->spacedata.first;
 	freefilelist(sfile);
@@ -1459,7 +1459,7 @@ static void reread_other_fs(void)
 
 void free_filesel_spec(char *dir)
 {
-	/* alle filesels met 'dir' worden vrijgegeven */
+	/* all filesels with 'dir' are freed */
 	bScreen *sc;
 		
 	sc= G.main->screen.first;
@@ -1576,7 +1576,7 @@ static void do_filesel_buttons(short event, SpaceFile *sfile)
 	else if(event== 3) {
 		char *selected= fsmenu_get_entry(sfile->menu-1);
 		
-		/* welke string */
+		/* which string */
 		if (selected) {
 			strcpy(sfile->dir, selected);
 			BLI_make_exist(sfile->dir);
@@ -1761,7 +1761,7 @@ static void fs_fake_users(SpaceFile *sfile)
 	ID *id;
 	int a;
 	
-	/* alleen bij F4 DATABROWSE */
+	/* only for F4 DATABROWSE */
 	if(sfile->returnfunc) return;
 	
 	for(a=0; a<sfile->totfile; a++) {
@@ -1811,7 +1811,7 @@ void winqreadfilespace(ScrArea *sa, void *spacedata, BWinEvent *evt)
 	sfile= curarea->spacedata.first;
 	if(sfile==0) return;
 	if(sfile->filelist==0) {
-		/* wel buttons doen */
+		/* but do buttons */
 		if(val && event==LEFTMOUSE) {
 			/* FrontbufferButs(TRUE); */
 			/* event= DoButtons(); */
@@ -1826,7 +1826,7 @@ void winqreadfilespace(ScrArea *sa, void *spacedata, BWinEvent *evt)
 	calc_file_rcts(sfile);
 	getmouseco_areawin(mval);
 
-	/* om hangen te voorkomen */
+	/* prevent looping */
 	if(selecting && !(get_mbut() & R_MOUSE)) selecting= 0;
 
 	if(val) {
@@ -1860,7 +1860,7 @@ void winqreadfilespace(ScrArea *sa, void *spacedata, BWinEvent *evt)
 			}
 			else if(mval[0]>textrct.xmin && mval[0]<textrct.xmax && mval[1]>textrct.ymin && mval[1]<textrct.ymax) {
 				
-				/* sfile->act wordt gebruikt bij databrowse: dubbelenamen van library objecten */
+				/* sfile->act is used in databrowse: double names of library objects */
 				
 				sfile->act= act= find_active_file(sfile, mval[0], mval[1]);
 				
@@ -1886,7 +1886,7 @@ void winqreadfilespace(ScrArea *sa, void *spacedata, BWinEvent *evt)
 				/* FrontbufferButs(TRUE); */
 				/* event= DoButtons(); */
 				/* FrontbufferButs(FALSE); */
-					/*  NIET de headerbuttons! */
+					/*  NOT the headerbuttons! */
 				/* if(event) do_filesel_buttons(event, sfile);	 */
 			}
 			break;
@@ -1960,7 +1960,7 @@ void winqreadfilespace(ScrArea *sa, void *spacedata, BWinEvent *evt)
 				databrowse_replace(sfile, groupname_to_code(sfile->dir));
 				break;
 			}
-			/* doorgeven */
+			/* pass */
 		case MKEY:
 			if(sfile->type==FILE_MAIN) break;
 
@@ -2030,7 +2030,7 @@ void winqreadfilespace(ScrArea *sa, void *spacedata, BWinEvent *evt)
 				databrowse_replace(sfile, groupname_to_code(sfile->dir));
 				break;
 			}
-			/* doorgeven aan TKEY! */
+			/* pass to TKEY! */
 			
 		case TKEY:
 			if(sfile->type==FILE_MAIN) break;
@@ -2043,7 +2043,7 @@ void winqreadfilespace(ScrArea *sa, void *spacedata, BWinEvent *evt)
 			if(event==TKEY) sprintf(str, "Touch");
 			else if(event==RKEY) sprintf(str, "Remove from %s", sfile->dir);
 			
-			qual= G.qual;	/* want na okee() heb je de shift losgelaten */
+			qual= G.qual;	/* because after okee() you released the SHIFT */
 			if (!okee(str)) break;
 			
 			for (i = 0; i <sfile->totfile; i++) {
@@ -2176,8 +2176,8 @@ static int groupname_to_code(char *group)
 
 static int is_a_library(SpaceFile *sfile, char *dir, char *group)
 {
-	/* return ok als een blenderfile, in dir staat de filename,
-	 * in group het type libdata
+	/* return ok when a blenderfile, in dir is the filename,
+	 * in group the type of libdata
 	 */
 	int len;
 	char *fd;
@@ -2226,7 +2226,7 @@ static void do_library_append(SpaceFile *sfile)
 		
 		BLO_library_append(sfile, dir, idcode);
 
-		/* DISPLISTEN */
+		/* DISPLISTS */
 		ob= G.main->object.first;
 		set_displist_onlyzero(1);
 		while(ob) {
@@ -2245,7 +2245,7 @@ static void do_library_append(SpaceFile *sfile)
 		}
 		set_displist_onlyzero(0);
 	
-		/* in sfile->dir staat de HELE libnaam */
+		/* in sfile->dir is the whole lib name */
 		strcpy(G.lib, sfile->dir);
 		
 		if((sfile->flag & FILE_LINK)==0) all_local();
@@ -2258,17 +2258,17 @@ static void library_to_filelist(SpaceFile *sfile)
 	int ok, i, nnames, idcode;
 	LinkNode *l, *names;
 	
-	/* name testen */
+	/* name test */
 	ok= is_a_library(sfile, dir, group);
 	if (!ok) {
-		/* vrijgeven */
+		/* free */
 		if(sfile->libfiledata) BLO_blendhandle_close(sfile->libfiledata);
 		sfile->libfiledata= 0;
 		return;
 	}
 	
-	/* en daar gaat ie */
-	/* voorlopig alleen filedata inlezen als libfiledata==0 */
+	/* there we go */
+	/* for the time being only read filedata when libfiledata==0 */
 	if (sfile->libfiledata==0) {
 		sfile->libfiledata= BLO_blendhandle_from_file(dir);
 		if(sfile->libfiledata==0) return;
@@ -2320,7 +2320,7 @@ static void filesel_select_objects(SpaceFile *sfile)
 	Scene *sce;
 	int a;
 	
-	/* alleen bij F4 DATABROWSE */
+	/* only when F4 DATABROWSE */
 	if(sfile->returnfunc) return;
 	
 	if( strcmp(sfile->dir, "Object/")==0 ) {
@@ -2360,7 +2360,7 @@ static void active_file_object(SpaceFile *sfile)
 {
 	Object *ob;
 	
-	/* alleen bij F4 DATABROWSE */
+	/* only when F4 DATABROWSE */
 	if(sfile->returnfunc) return;
 	
 	if( strcmp(sfile->dir, "Object/")==0 ) {
@@ -2398,7 +2398,7 @@ void main_to_filelist(SpaceFile *sfile)
 	
 	if( sfile->dir[0]==0) {
 		
-		/* directories maken */
+		/* make directories */
 		sfile->totfile= 22;
 		sfile->filelist= (struct direntry *)malloc(sfile->totfile * sizeof(struct direntry));
 		
@@ -2433,7 +2433,7 @@ void main_to_filelist(SpaceFile *sfile)
 	}
 	else {
 
-		/* files maken */
+		/* make files */
 		idcode= groupname_to_code(sfile->dir);
 		
 		lb= wich_libbase(G.main, idcode );
@@ -2512,7 +2512,7 @@ void main_to_filelist(SpaceFile *sfile)
 			id= id->next;
 		}
 		
-		/* alleen qsort van libraryblokken */
+		/* only qsort of libraryblokken */
 		if(totlib>1) {
 			qsort(firstlib, totlib, sizeof(struct direntry), compare_name);
 		}
diff --git a/source/blender/src/glutil.c b/source/blender/src/glutil.c
index f02570e897c..7c30a4b1a0a 100644
--- a/source/blender/src/glutil.c
+++ b/source/blender/src/glutil.c
@@ -98,7 +98,7 @@ void sdrawXORline4(int nr, int x0, int y0, int x1, int y1)
 	static short old[4][2][2];
 	static char flags[4]= {0, 0, 0, 0};
 	
-		/* automatische onthoud, max 4 lijnen */
+		/* with builtin memory, max 4 lines */
 
 	set_inverted_drawing(1);
 		
diff --git a/source/blender/src/headerbuttons.c b/source/blender/src/headerbuttons.c
index 994a13ed924..8c3d168351a 100644
--- a/source/blender/src/headerbuttons.c
+++ b/source/blender/src/headerbuttons.c
@@ -211,8 +211,8 @@ static int std_libbuttons(uiBlock *block,
 extern char versionstr[]; /* from blender.c */
 /*  extern                void add_text_fs(char *file);  *//* from text.c, BIF_text.h*/
 
- /* LET OP:  alle headerbuttons voor zelfde window steeds zelfde naam
-  *			event B_REDR is standaard redraw
+ /* WATCH IT:  always give all headerbuttons for same window the same name
+  *			event B_REDR is a standard redraw
   *
   */
 
@@ -292,7 +292,7 @@ static int std_libbuttons(uiBlock *block, int xco, int pin, short *pinpoin, int
 	if(browse) {
 		if(id==0) {
 			idwasnul= 1;
-			/* alleen de browse button */
+			/* only the browse button */
 			ob= OBACT;
 			if(curarea->spacetype==SPACE_IMAGE) {
 				id= G.main->image.first;
@@ -308,7 +308,7 @@ static int std_libbuttons(uiBlock *block, int xco, int pin, short *pinpoin, int
 			}
 			else if(curarea->spacetype==SPACE_IPO) {
 				id= G.main->ipo.first;
-				/* testen op ipotype */
+				/* test for ipotype */
 				while(id) {
 					ipo= (Ipo *)id;
 					if(G.sipo->blocktype==ipo->blocktype) break;
@@ -634,7 +634,7 @@ void do_global_buttons(unsigned short event)
 	
 	ob= OBACT;
 	
-	id= 0;	/* id op nul voor texbrowse */
+	id= 0;	/* id at null for texbrowse */
 	
 
 	switch(event) {
@@ -822,7 +822,7 @@ void do_global_buttons(unsigned short event)
 			}
 			else {	/* from lamp */
 				la= ob->data;
-				if(la && ob->type==OB_LAMP) {	/* voor zekerheid */
+				if(la && ob->type==OB_LAMP) {	/* to be sure */
 					mtex= la->mtex[ la->texact ];
 					if(mtex) {
 						if(mtex->tex) mtex->tex->id.us--;
@@ -1142,7 +1142,7 @@ void do_global_buttons(unsigned short event)
 		}
 
 		if(G.buts->menunr < 0) break;
-		/* geen lock */
+		/* no lock */
 			
 		wrld= G.scene->world;
 		nr= 1;
@@ -1241,7 +1241,7 @@ void do_global_buttons(unsigned short event)
 		}
 		break;
 	case B_LAMPBROWSE:
-		/* geen lock */
+		/* no lock */
 		if(ob==0) return;
 		if(ob->type!=OB_LAMP) return;
 
@@ -1263,7 +1263,7 @@ void do_global_buttons(unsigned short event)
 			nr++;
 			idtest= idtest->next;
 		}
-		if(idtest==0) {	/* geen new lamp */
+		if(idtest==0) {	/* no new lamp */
 			return;
 		}
 		if(idtest!=id) {
@@ -1386,7 +1386,7 @@ void do_global_buttons(unsigned short event)
 	case B_NEWSPACE:
 		newspace(curarea, curarea->butspacetype);
 		break;
-	case B_LOADTEMP: 	/* is button uit space.c */
+	case B_LOADTEMP: 	/* is button from space.c */
 		BIF_read_autosavefile();
 		break;
 
@@ -1394,13 +1394,13 @@ void do_global_buttons(unsigned short event)
 		allqueue(REDRAWINFO, 0);
 //		BIF_printf("userpref %d\n", U.userpref);
 		break;
-	case B_DRAWINFO: 	/* is button uit space.c  *info* */
+	case B_DRAWINFO: 	/* is button from space.c  *info* */
 		allqueue(REDRAWVIEW3D, 0);
 		break;
 
 	/* Fileselect windows for user preferences file paths */
 
-	case B_FONTDIRFILESEL: 	/* is button uit space.c  *info* */
+	case B_FONTDIRFILESEL: 	/* is button from space.c  *info* */
 		if(curarea->spacetype==SPACE_INFO) {
 			sa= closest_bigger_area();
 			areawinset(sa->win);
@@ -1409,7 +1409,7 @@ void do_global_buttons(unsigned short event)
 		activate_fileselect(FILE_SPECIAL, "SELECT FONT PATH", U.fontdir, filesel_u_fontdir);
 		break;
 
-	case B_TEXTUDIRFILESEL: 	/* is button uit space.c  *info* */
+	case B_TEXTUDIRFILESEL: 	/* is button from space.c  *info* */
 		if(curarea->spacetype==SPACE_INFO) {
 			sa= closest_bigger_area();
 			areawinset(sa->win);
@@ -1418,7 +1418,7 @@ void do_global_buttons(unsigned short event)
 		activate_fileselect(FILE_SPECIAL, "SELECT TEXTURE PATH", U.textudir, filesel_u_textudir);
 		break;
 	
-	case B_PLUGTEXDIRFILESEL: 	/* is button uit space.c  *info* */
+	case B_PLUGTEXDIRFILESEL: 	/* is button form space.c  *info* */
 		if(curarea->spacetype==SPACE_INFO) {
 			sa= closest_bigger_area();
 			areawinset(sa->win);
@@ -1427,7 +1427,7 @@ void do_global_buttons(unsigned short event)
 		activate_fileselect(FILE_SPECIAL, "SELECT TEX PLUGIN PATH", U.plugtexdir, filesel_u_plugtexdir);
 		break;
 	
-	case B_PLUGSEQDIRFILESEL: 	/* is button uit space.c  *info* */
+	case B_PLUGSEQDIRFILESEL: 	/* is button from space.c  *info* */
 		if(curarea->spacetype==SPACE_INFO) {
 			sa= closest_bigger_area();
 			areawinset(sa->win);
@@ -1436,7 +1436,7 @@ void do_global_buttons(unsigned short event)
 		activate_fileselect(FILE_SPECIAL, "SELECT SEQ PLUGIN PATH", U.plugseqdir, filesel_u_plugseqdir);
 		break;
 	
-	case B_RENDERDIRFILESEL: 	/* is button uit space.c  *info* */
+	case B_RENDERDIRFILESEL: 	/* is button from space.c  *info* */
 		if(curarea->spacetype==SPACE_INFO) {
 			sa= closest_bigger_area();
 			areawinset(sa->win);
@@ -1445,7 +1445,7 @@ void do_global_buttons(unsigned short event)
 		activate_fileselect(FILE_SPECIAL, "SELECT RENDER PATH", U.renderdir, filesel_u_renderdir);
 		break;
 	
-	case B_PYTHONDIRFILESEL: 	/* is button uit space.c  *info* */
+	case B_PYTHONDIRFILESEL: 	/* is button from space.c  *info* */
 		if(curarea->spacetype==SPACE_INFO) {
 			sa= closest_bigger_area();
 			areawinset(sa->win);
@@ -1454,7 +1454,7 @@ void do_global_buttons(unsigned short event)
 		activate_fileselect(FILE_SPECIAL, "SELECT SCRIPT PATH", U.pythondir, filesel_u_pythondir);
 		break;
 
-	case B_SOUNDDIRFILESEL: 	/* is button uit space.c  *info* */
+	case B_SOUNDDIRFILESEL: 	/* is button from space.c  *info* */
 		if(curarea->spacetype==SPACE_INFO) {
 			sa= closest_bigger_area();
 			areawinset(sa->win);
@@ -1463,7 +1463,7 @@ void do_global_buttons(unsigned short event)
 		activate_fileselect(FILE_SPECIAL, "SELECT SOUND PATH", U.sounddir, filesel_u_sounddir);
 		break;
 
-	case B_TEMPDIRFILESEL: 	/* is button uit space.c  *info* */
+	case B_TEMPDIRFILESEL: 	/* is button from space.c  *info* */
 		if(curarea->spacetype==SPACE_INFO) {
 			sa= closest_bigger_area();
 			areawinset(sa->win);
@@ -1476,7 +1476,7 @@ void do_global_buttons(unsigned short event)
 
 
 #ifdef INTERNATIONAL
-	case B_LOADUIFONT: 	/* is button uit space.c  *info* */
+	case B_LOADUIFONT: 	/* is button from space.c  *info* */
 		if(curarea->spacetype==SPACE_INFO) {
 			sa= closest_bigger_area();
 			areawinset(sa->win);
@@ -1485,21 +1485,21 @@ void do_global_buttons(unsigned short event)
 		activate_fileselect(FILE_SPECIAL, "LOAD UI FONT", buf, set_interface_font);
 		break;
 
-	case B_SETLANGUAGE: 	/* is button uit space.c  *info* */
+	case B_SETLANGUAGE: 	/* is button from space.c  *info* */
 		lang_setlanguage();
 		allqueue(REDRAWALL, 0);
 		break;
 
-	case B_SETFONTSIZE: 	/* is button uit space.c  *info* */
+	case B_SETFONTSIZE: 	/* is button from space.c  *info* */
 		FTF_SetSize(U.fontsize);
 		allqueue(REDRAWALL, 0);
 		break;
 		
-	case B_SETTRANSBUTS: 	/* is button uit space.c  *info* */
+	case B_SETTRANSBUTS: 	/* is button from space.c  *info* */
 		allqueue(REDRAWALL, 0);
 		break;
 
-	case B_SETENCODING: 	/* is button uit space.c  *info* */
+	case B_SETENCODING: 	/* is button from space.c  *info* */
 		lang_setencoding();
 		allqueue(REDRAWALL, 0);
 		break;
@@ -1519,12 +1519,12 @@ void do_global_buttons(unsigned short event)
 		if (OBACT && OBACT->type==OB_MBALL)
 			makeDispList(OBACT);
 			
-		/* redraw omdat naam veranderd is: nieuwe pup */
+		/* redraw because name has changed: new pup */
 		scrarea_queue_headredraw(curarea);
 		allqueue(REDRAWBUTSHEAD, 0);
 		allqueue(REDRAWINFO, 1);
 		allqueue(REDRAWOOPS, 1);
-		/* naam scene ook in set PUPmenu */
+		/* name scene also in set PUPmenu */
 		if ELEM(curarea->spacetype, SPACE_BUTS, SPACE_INFO) allqueue(REDRAWBUTSALL, 0);
 
 		allqueue(REDRAWHEADERS, 0);
@@ -1572,8 +1572,8 @@ void do_global_buttons2(short event)
 	ID *idfrom;	
 	bAction *act;
 
-	/* algemeen: Single User mag als from==LOCAL 
-	 *			 Make Local mag als (from==LOCAL && id==LIB)
+	/* general:  Single User is allowed when from==LOCAL 
+	 *			 Make Local is allowed when (from==LOCAL && id==LIB)
 	 */
 	
 	ob= OBACT;
@@ -2024,9 +2024,9 @@ int buttons_do_unpack()
 
 Scene *copy_scene(Scene *sce, int level)
 {
-	/* level 0: alle objects shared
-	 * level 1: alle objectdata shared
-	 * level 2: volledige kopie
+	/* level 0: al objects shared
+	 * level 1: al object-data shared
+	 * level 2: full copy
 	 */
 	Scene *scen;
 	Base *base, *obase;
@@ -2127,22 +2127,22 @@ void do_info_buttons(unsigned short event)
 			nr++;
 			sc= sc->id.next;
 		}
-		/* laatste item: NEW SCREEN */
+		/* last item: NEW SCREEN */
 		if(sc==0) {
 			duplicate_screen();
 		}
 		break;
 	case B_INFODELSCR:
-		/* dit event alleen met buttons doen, zodoende nooit vanuit full aanroepbaar */
+		/* do this event only with buttons, so it can never be called with full-window */
 
 		if(G.curscreen->id.prev) sc= G.curscreen->id.prev;
 		else if(G.curscreen->id.next) sc= G.curscreen->id.next;
 		else return;
 		if(okee("Delete current screen")) {
-			/* vind nieuwe G.curscreen */
+			/* find new G.curscreen */
 			
 			oldscreen= G.curscreen;
-			setscreen(sc);		/* deze test of sc een full heeft */
+			setscreen(sc);		/* this test if sc has a full */
 			unlink_screen(oldscreen);
 			free_libblock(&G.main->screen, oldscreen);
 		}
@@ -2175,7 +2175,7 @@ void do_info_buttons(unsigned short event)
 			nr++;
 			sce= sce->id.next;
 		}
-		/* laatste item: NEW SCENE */
+		/* last item: NEW SCENE */
 		if(sce==0) {
 			nr= pupmenu("Add scene%t|Empty|Link Objects|Link ObData|Full Copy");
 			if(nr<= 0) return;
@@ -2196,17 +2196,17 @@ void do_info_buttons(unsigned short event)
 		else return;
 		if(okee("Delete current scene")) {
 			
-			/* alle sets aflopen */
+			/* check all sets */
 			sce1= G.main->scene.first;
 			while(sce1) {
 				if(sce1->set == G.scene) sce1->set= 0;
 				sce1= sce1->id.next;
 			}
 			
-			/* alle sequences aflopen */
+			/* check all sequences */
 			clear_scene_in_allseqs(G.scene);
 			
-			/* alle schermen */
+			/* al screens */
 			sc= G.main->screen.first;
 			while(sc) {
 				if(sc->scene == G.scene) sc->scene= sce;
@@ -3294,7 +3294,7 @@ static void info_text(int x, int y)
 		fac3 = 0.9;
 	} else {
 		hsize = 124;
-		/* promise! Never change these lines again! */
+		/* promise! Never change these lines again! (zr & ton did!) */
 		fac1= fabs(hashvectf[ 2*G.version+4]);
 		fac2= 0.5+0.1*hashvectf[ G.version+3];
 		fac3= 0.7;
@@ -3385,7 +3385,7 @@ void info_buttons(void)
 	uiDefIconBut(block, LABEL, 0, ICON_PUBLISHER, xco+125, 0,XIC,YIC, 0, 0, 0, 0, 0, "");
 	uiBlockSetEmboss(block, UI_EMBOSSX);
 
-	/* altijd als laatste doen */
+	/* always do as last */
 	curarea->headbutlen= xco+2*XIC;
 	
 	if(curarea->headbutlen + 4*XIC < curarea->winx) {
@@ -3447,7 +3447,7 @@ void seq_buttons()
 	/* IMAGE */
 	uiDefIconButS(block, TOG, B_REDR, ICON_IMAGE_COL,	xco+=XIC,0,XIC,YIC, &sseq->mainb, 0, 0, 0, 0, "Toggles image display");
 
-	/* ZOOM en BORDER */
+	/* ZOOM and BORDER */
 	xco+= XIC;
 	uiDefIconButI(block, TOG, B_VIEW2DZOOM, ICON_VIEWZOOM,	xco+=XIC,0,XIC,YIC, &viewmovetemp, 0, 0, 0, 0, "Zoom view (CTRL+MiddleMouse)");
 	uiDefIconBut(block, BUT, B_IPOBORDER, ICON_BORDERMOVE,	xco+=XIC,0,XIC,YIC, 0, 0, 0, 0, 0, "Zoom view to area");
@@ -3466,7 +3466,7 @@ void do_view3d_buttons(short event)
 {
 	int bit;
 
-	/* pas op: als curarea->win niet bestaat, afvangen als direkt tekenroutines worden aangeroepen */
+	/* watch it: if curarea->win does not exist, check that when calling direct drawing routines */
 
 	switch(event) {
 	case B_HOME:
@@ -3475,7 +3475,7 @@ void do_view3d_buttons(short event)
 	case B_SCENELOCK:
 		if(G.vd->scenelock) {
 			G.vd->lay= G.scene->lay;
-			/* layact zoeken */
+			/* seek for layact */
 			bit= 0;
 			while(bit<32) {
 				if(G.vd->lay & (1<<bit)) {
@@ -3662,7 +3662,7 @@ void do_view3d_buttons(short event)
 		if(event>=B_LAY && event<B_LAY+31) {
 			if(G.vd->lay!=0 && (G.qual & LR_SHIFTKEY)) {
 				
-				/* wel actieve layer zoeken */
+				/* but do find active layer */
 				
 				bit= event-B_LAY;
 				if( G.vd->lay & (1<<bit)) G.vd->layact= 1<<bit;
@@ -3727,10 +3727,10 @@ void do_layer_buttons(short event)
 		}
 		do_view3d_buttons(event+B_LAY);
 	}
-	/* redraw lijkt dubbelop: wordt in queue netjes afgehandeld */
+	/* redraw seems double: but the queue nicely handles that */
 	scrarea_queue_headredraw(curarea);
 	
-	if(curarea->spacetype==SPACE_OOPS) allqueue(REDRAWVIEW3D, 1);	/* 1==ook headwin */
+	if(curarea->spacetype==SPACE_OOPS) allqueue(REDRAWVIEW3D, 1);	/* 1==also do headwin */
 	
 }
 
@@ -3904,7 +3904,7 @@ void view3d_buttons(void)
 	uiDefIconButS(block, ICONROW, B_PERSP, ICON_ORTHO,	xco+=XIC,0,XIC,YIC, &(G.vd->persp), 0.0, 2.0, 0, 0, "Perspective mode (NumPad 5, Numpad 0)");
 	
 	xco+= XIC/2;
-	/* AANZICHT */
+	/* VIEW */
 	
 	if(G.vd->view==7) G.vd->viewbut= 1;
 	else if(G.vd->view==1) G.vd->viewbut= 2;
@@ -4053,7 +4053,7 @@ void do_ipo_buttons(short event)
 			v2d->tot.xmax= EFRA;
 		}
 
-		/* beetje uitzoomen */
+		/* zoom out a bit */
 		dx= 0.10*(v2d->tot.xmax-v2d->tot.xmin);
 		dy= 0.10*(v2d->tot.ymax-v2d->tot.ymin);
 		
@@ -4114,7 +4114,7 @@ void do_ipo_buttons(short event)
 
 		break;
 	case B_IPOSHOWKEY:
-		/* waarde omkeren vanwege winqread */
+		/* reverse value because of winqread */
 		G.sipo->showkey= 1-G.sipo->showkey;
 		ipo_toggle_showkey();
 		scrarea_queue_headredraw(curarea);
@@ -4145,7 +4145,7 @@ void ipo_buttons(void)
 	curarea->butspacetype= SPACE_IPO;
 	uiDefIconButC(block, ICONROW,B_NEWSPACE, ICON_VIEW3D, 6,0,XIC,YIC, &(curarea->butspacetype), 1.0, SPACEICONMAX, 0, 0, "Current window type ");
 
-	test_editipo();	/* test of huidige editipo klopt, make_editipo zet de v2d->cur */
+	test_editipo();	/* test if current editipo is OK, make_editipo sets v2d->cur */
 
 		/* FULL WINDOW en HOME */
 	xco= 25;
@@ -4243,7 +4243,7 @@ void ipo_buttons(void)
 	/* draw LOCK */
 	uiDefIconButS(block, ICONTOG, 1, ICON_UNLOCKED,	xco+=XIC,0,XIC,YIC, &(G.sipo->lock), 0, 0, 0, 0, "Lock redraw of other windows while editing");
 
-	/* altijd als laatste doen */
+	/* always do as last */
 	curarea->headbutlen= xco+2*XIC;
 
 	uiDrawBlock(block);
@@ -4313,7 +4313,7 @@ void do_buts_buttons(short event)
 	case B_MATPASTE:
 		if(matcopied && G.buts->lockpoin) {
 			ma= G.buts->lockpoin;
-			/* vrijgeven huidige mat */
+			/* free current mat */
 			for(a=0; a<8; a++) {
 				mtex= ma->mtex[a];
 				if(mtex && mtex->tex) mtex->tex->id.us--;
@@ -4529,7 +4529,7 @@ void buts_buttons(void)
 	/* HOME */
 	uiDefIconBut(block, BUT, B_BUTSHOME, ICON_HOME,	xco+=XIC,0,XIC,YIC, 0, 0, 0, 0, 0, "Home (HOMEKEY)");
 	
-	/* keuzemenu */
+	/* choice menu */
 	xco+= 2*XIC;
 	uiDefIconButS(block, ROW, B_REDR,			ICON_EYE,	xco+=XIC, 0, 30, YIC, &(G.buts->mainb), 1.0, (float)BUTS_VIEW, 0, 0, "View buttons");
 	uiDefIconButS(block, ROW, B_BUTSPREVIEW,		ICON_LAMP,	xco+=30, 0, 30, YIC, &(G.buts->mainb), 1.0, (float)BUTS_LAMP, 0, 0, "Lamp buttons (F4)");
@@ -4714,7 +4714,7 @@ void buts_buttons(void)
 
 	G.buts->mainbo= G.buts->mainb;
 
-	/* altijd als laatste doen */
+	/* always do as last */
 	uiDrawBlock(block);
 	curarea->headbutlen= xco;
 }
@@ -4799,7 +4799,7 @@ void file_buttons(void)
 		glRasterPos2i(xco,  5);
 		BMF_DrawString(uiBlockGetCurFont(block), naam);
 	}
-	/* altijd als laatste doen */
+	/* always do as last */
 	curarea->headbutlen= xco+2*XIC;
 	
 	uiDrawBlock(block);
@@ -4864,7 +4864,7 @@ void oops_buttons(void)
 	uiDefIconBut(block, BUT, B_OOPSHOME, ICON_HOME,	(short)(xco+=XIC),0,XIC,YIC, 0, 0, 0, 0, 0, "Home (HOMEKEY)");	
 	xco+= XIC;
 	
-	/* ZOOM en BORDER */
+	/* ZOOM and BORDER */
 	xco+= XIC;
 	uiDefIconButI(block, TOG, B_VIEW2DZOOM, ICON_VIEWZOOM,	(short)(xco+=XIC),0,XIC,YIC, &viewmovetemp, 0, 0, 0, 0, "Zoom view (CTRL+MiddleMouse)");
 	uiDefIconBut(block, BUT, B_IPOBORDER, ICON_BORDERMOVE,	(short)(xco+=XIC),0,XIC,YIC, 0, 0, 0, 0, 0, "Zoom view to area");
@@ -4885,7 +4885,7 @@ void oops_buttons(void)
 	uiDefIconButS(block, TOG|BIT|12, B_NEWOOPS, ICON_IMAGE_HLT,	(short)(xco+=XIC),0,XIC,YIC, &soops->visiflag, 0, 0, 0, 0, "Display Image data");
 	uiDefIconButS(block, TOG|BIT|11, B_NEWOOPS, ICON_LIBRARY_HLT,	(short)(xco+=XIC),0,XIC,YIC, &soops->visiflag, 0, 0, 0, 0, "Display Library data");
 
-	/* naam */
+	/* name */
 	if(G.soops->lockpoin) {
 		oops= G.soops->lockpoin;
 		if(oops->type==ID_LI) strcpy(naam, ((Library *)oops->id)->name);
@@ -4897,7 +4897,7 @@ void oops_buttons(void)
 
 	}
 
-	/* altijd als laatste doen */
+	/* always do as last */
 	curarea->headbutlen= xco+2*XIC;
 	
 	uiDrawBlock(block);
@@ -5214,7 +5214,7 @@ void do_sound_buttons(unsigned short event)
 				idtest= idtest->next;
 			}
 
-			if(idtest==0) {	/* geen new */
+			if(idtest==0) {	/* no new */
 				return;
 			}
 		
@@ -5330,7 +5330,7 @@ void sound_buttons(void)
 /* ******************** SOUND  ********************** */
 /* ******************** IMAGE ********************** */
 
-void load_space_image(char *str)	/* aangeroepen vanuit fileselect */
+void load_space_image(char *str)	/* called from fileselect */
 {
 	Image *ima=0;
 	
@@ -5344,7 +5344,7 @@ void load_space_image(char *str)	/* aangeroepen vanuit fileselect */
 		
 		G.sima->image= ima;
 		
-		free_image_buffers(ima);	/* forceer opnieuw inlezen */
+		free_image_buffers(ima);	/* force read again */
 		ima->ok= 1;
 		image_changed(G.sima, 0);
 		
@@ -5388,7 +5388,7 @@ void image_replace(Image *old, Image *new)
 	else error("Nothing replaced");
 }
 
-void replace_space_image(char *str)		/* aangeroepen vanuit fileselect */
+void replace_space_image(char *str)		/* called from fileselect */
 {
 	Image *ima=0;
 	
@@ -5406,9 +5406,9 @@ void replace_space_image(char *str)		/* aangeroepen vanuit fileselect */
 		
 		G.sima->image= ima;
 		
-		free_image_buffers(ima);	/* forceer opnieuw inlezen */
+		free_image_buffers(ima);	/* force read again */
 		ima->ok= 1;
-		/* replace kent ook toe: */
+		/* replace also assigns: */
 		image_changed(G.sima, 0);
 		
 	}
@@ -5478,7 +5478,7 @@ void do_image_buttons(unsigned short event)
 			nr++;
 			idtest= idtest->next;
 		}
-		if(idtest==0) {	/* geen new */
+		if(idtest==0) {	/* no new */
 			return;
 		}
 	
@@ -5487,7 +5487,7 @@ void do_image_buttons(unsigned short event)
 			if(idtest->us==0) idtest->us= 1;
 			allqueue(REDRAWIMAGE, 0);
 		}
-		image_changed(G.sima, 0);	/* ook als image gelijk is: assign! 0==geen tileflag */
+		image_changed(G.sima, 0);	/* also when image is the same: assign! 0==no tileflag */
 		
 		break;
 	case B_SIMAGELOAD:
@@ -5523,7 +5523,7 @@ void do_image_buttons(unsigned short event)
 		break;
 
 	case B_SIMAGEDRAW1:
-		image_changed(G.sima, 2);		/* 2: alleen tileflag */
+		image_changed(G.sima, 2);		/* 2: only tileflag */
 		allqueue(REDRAWVIEW3D, 0);
 		allqueue(REDRAWIMAGE, 0);
 		break;
@@ -5743,9 +5743,9 @@ void imasel_buttons(void)
 	uiDefIconButS(block, TOG|BIT|0, B_REDR, ICON_BPIBFOLDERGREY, xco+=XIC,0,XIC,YIC, &simasel->mode, 0, 0, 0, 0, "");/* dir   */
 	uiDefIconButS(block, TOG|BIT|1, B_REDR, ICON_INFO, xco+=XIC,0,XIC,YIC, &simasel->mode, 0, 0, 0, 0, "");/* info  */
 	uiDefIconButS(block, TOG|BIT|2, B_REDR, ICON_IMAGE_COL, xco+=XIC,0,XIC,YIC, &simasel->mode, 0, 0, 0, 0, "");/* image */
-	uiDefIconButS(block, TOG|BIT|3, B_REDR, ICON_MAGNIFY, xco+=XIC,0,XIC,YIC, &simasel->mode, 0, 0, 0, 0, "");/* loep */
+	uiDefIconButS(block, TOG|BIT|3, B_REDR, ICON_MAGNIFY, xco+=XIC,0,XIC,YIC, &simasel->mode, 0, 0, 0, 0, "");/* magnify */
 	
-	/* altijd als laatste doen */
+	/* always do as last */
 	curarea->headbutlen= xco+2*XIC;
 
 	uiDrawBlock(block);
@@ -5753,7 +5753,7 @@ void imasel_buttons(void)
 
 /* ********************** IMASEL ****************************** */
 
-/* ******************** ALGEMEEN ********************** */
+/* ******************** GENERAL ********************** */
 
 void do_headerbuttons(short event)
 {
diff --git a/source/blender/src/imasel.c b/source/blender/src/imasel.c
index c1fe8686da4..f12c1bbd813 100644
--- a/source/blender/src/imasel.c
+++ b/source/blender/src/imasel.c
@@ -550,7 +550,7 @@ void get_next_image(SpaceImaSel *simasel)
 			
 			IMB_converttocmap(ibuf);
 			
-			/* copy ibuf->rect naar ima->pict_rect */ 
+			/* copy ibuf->rect to ima->pict_rect */ 
 			size = ima->dw * ima->dh; if (size > 3968) size = 3968;
 			longtochar(ima->pict_rect, ibuf->rect, size); 
 
@@ -901,8 +901,8 @@ void change_imadir(SpaceImaSel *simasel)
 void check_imasel_copy(SpaceImaSel *simasel)
 {
 
-	/* LET OP: wordt ook gebruikt bij inlezen blender file */
-	/* dingen op nul zetten, opnieuw malloccen etc */
+	/* WATCH IT: also used when reading blender file */
+	/* initialize stuff, malloc, etc */
 	simasel->first_sel_ima	=  0;
 	simasel->hilite_ima	    =  0;
 	simasel->firstdir		=  0;
@@ -916,7 +916,7 @@ void check_imasel_copy(SpaceImaSel *simasel)
 
 void free_imasel(SpaceImaSel *simasel)
 {
-	/* NIET de imasel zelf vrijgeven */
+	/* do not free imasel itself */
 	
 	clear_ima_dir(simasel);
 	IMB_freeImBuf(simasel->cmap);
diff --git a/source/blender/src/interface.c b/source/blender/src/interface.c
index 06fa41b6946..349cfcebfd4 100644
--- a/source/blender/src/interface.c
+++ b/source/blender/src/interface.c
@@ -288,7 +288,7 @@ static uiSaveUnder *ui_save_under(int x, int y, int sx, int sy)
 /* ************* DRAW ************** */
 
 
-static void ui_graphics_to_window(int win, float *x, float *y)	/* voor rectwrite b.v. */
+static void ui_graphics_to_window(int win, float *x, float *y)	/* for rectwrite  */
 {
 	float gx, gy;
 	int sx, sy;
@@ -305,7 +305,7 @@ static void ui_graphics_to_window(int win, float *x, float *y)	/* voor rectwrite
 
 
 
-static void ui_window_to_graphics(int win, float *x, float *y)	/* voor muiscursor b.v. */
+static void ui_window_to_graphics(int win, float *x, float *y)	/* for mouse cursor */
 {
 	float a, b, c, d, e, f, px, py;
 	int getsizex, getsizey;
@@ -343,7 +343,7 @@ static uiSaveUnder *ui_bgnpupdraw(int startx, int starty, int endx, int endy, in
 
 	mywinset(G.curscreen->mainwin);
 	
-	/* pietsje groter, 1 pixel aan de rand */
+	/* tinsy bit larger, 1 pixel on the edge */
 	
 	glReadBuffer(GL_FRONT);
 	glDrawBuffer(GL_FRONT);
@@ -650,7 +650,7 @@ static void ui_emboss_slider(uiBut *but, float fac)
 	glColor3ub(0,0,0);
 	ui_draw_outlineX(but->x1+1, but->y1+1, but->x2-1, but->y2-1, but->aspect);
 
-	/* het blokje */
+	/* the box */
 	if(but->flag & UI_SELECT) BIF_set_color(but->col, COLORSHADE_LIGHT);
 	else BIF_set_color(but->col, COLORSHADE_GREY);
 	glRects(but->x1+fac, but->y1+1, but->x1+fac+h, but->y2-1);
@@ -886,7 +886,7 @@ static void ui_draw_but(uiBut *but)
 	case ICONROW:
 		ui_draw_but_BUT(but);
 		
-		/* teken pijltjes, icon is standaard RGB */
+		/* draw arriws, icon is standard RGB */
 		a= (but->y1+but->y2)/2;
 		
 		glColor3ub(0,0,0);
@@ -909,7 +909,7 @@ static void ui_draw_but(uiBut *but)
 	
 		ui_draw_but_BUT(but);
 
-		/* als er ruimte is: teken symbooltje */
+		/* when sufficient space: darw symbols */
 		if(but->strwidth+10 < but->x2-but->x1) {
 			int h;
 			
@@ -929,7 +929,7 @@ static void ui_draw_but(uiBut *but)
 	
 		ui_draw_but_BUT(but);
 		
-		/* de slider */
+		/* the slider */
 
 		x1= but->x1; x2= but->x2;
 		y1= but->y1; y2= but->y2;
@@ -2229,7 +2229,7 @@ static int ui_do_but_SLI(uiBut *but)
 			ui_check_but(but);
 			ui_draw_but(but);
 			
-			if(but->a1) {	/* colornummer */
+			if(but->a1) {	/* color number */
 				uiBut *bt= but->prev;
 				while(bt) {
 					if(bt->retval == but->a1) ui_draw_but(bt);
@@ -2253,7 +2253,7 @@ static int ui_do_but_SLI(uiBut *but)
 	}
 
 	
-	if(temp!=32767 && pos==0) {  /* plus 1 of min 1 */
+	if(temp!=32767 && pos==0) {  /* plus 1 or minus 1 */
 		
 		if( but->type==SLI) f= (float)(mval[0]-but->x1)/(but->x2-but->x1-h);
 		else f= (float)(mval[0]- (but->x1+but->x2)/2)/( (but->x2-but->x1)/2 - h);
@@ -2286,8 +2286,8 @@ static int ui_do_but_SLI(uiBut *but)
 static int ui_do_but_NUMSLI(uiBut *but)
 {
 	short mval[2];
-	
-	/* eerste bepalen of het slider is of textbut */
+
+	/* first define if it's a slider or textbut */
 	uiGetMouse(mywinget(), mval);
 	
 	if(mval[0]>= -6+(but->x1+but->x2)/2 ) {	/* slider */
@@ -2631,7 +2631,7 @@ static int ui_do_button(uiBlock *block, uiBut *but, uiEvent *uevent)
 		}
 	} 
 	else {
-		if( but->pointype ) {		/* er is pointer nodig */
+		if( but->pointype ) {		/* er there a pointer needed */
 			if(but->poin==0 ) {
 				printf("DoButton pointer error: %s\n",but->str);
 				return 0;
@@ -3098,7 +3098,7 @@ static uiSaveUnder *ui_draw_but_tip(uiBut *but)
 	glColor3ub(0xD0, 0xD0, 0xC0);
 	glRectf(x1, y1, x2, y2);
 	
-	/* below */
+	/* bottom */
 	glColor3ub(0,0,0);
 	fdrawline(x1, y1, x2, y1);
 	/* right */
@@ -3318,7 +3318,7 @@ static void ui_set_but_val(uiBut *but, double value)
 	if(but->pointype==0) return;
 	poin= but->poin;
 
-	/* value is een hsvwaarde: omzetten naar de rgb */
+	/* value is a hsv value: convert to rgb */
 	if( but->type==HSVSLI ) {
 		float h, s, v, *fp= (float *)but->poin;
 		
@@ -3622,9 +3622,9 @@ static uiBut *ui_def_but(uiBlock *block, int type, int retval, char *str, short
 	uiBut *but;
 	short slen;
 	
-	if(type & BUTPOIN) {		/* er is pointer nodig */
+	if(type & BUTPOIN) {		/* a pointer is required */
 		if(poin==0) {
-				/* als pointer nul is wordt button gewist en niet gedefinieerd */
+				/* if pointer is zero, button is removed and not drawn */
 			BIF_set_color(block->col, COLORSHADE_MEDIUM);
 			glRects(x1,  y1,  x1+x2,  y1+y2);
 			return NULL;
@@ -3693,7 +3693,7 @@ static uiBut *ui_def_but(uiBlock *block, int type, int retval, char *str, short
 	
 	but->pos= -1;	/* cursor invisible */
 
-	if(but->type==NUM) {	/* spatie toevoegen achter naam */
+	if(but->type==NUM) {	/* add a space to name */
 		slen= strlen(but->str);
 		if(slen>0 && slen<UI_MAX_NAME_STR-2) {
 			if(but->str[slen-1]!=' ') {
diff --git a/source/blender/src/mywindow.c b/source/blender/src/mywindow.c
index fd09a4623f4..7f3e2af70b4 100644
--- a/source/blender/src/mywindow.c
+++ b/source/blender/src/mywindow.c
@@ -28,9 +28,11 @@
  * Contributor(s): none yet.
  *
  * ***** END GPL/BL DUAL LICENSE BLOCK *****
- * vervanging voor een aantal fie's zoals swinopen, winset,  (zie onder)
- * dit alles omdat GL en X te traag zijn
- * feb: Opengl en toch maar naar X!
+ *
+ *
+ * for compatibility with old iris code, replacement of swinopen, winset, etc
+ * btw: subwindows in X are way too slow, tried it, and choose for my own system... (ton)
+ * 
  */
 
 #include <string.h>
@@ -110,8 +112,6 @@ void mywindow_init_mainwin(Window *win, int orx, int ory, int sizex, int sizey)
 
 /* XXXXXXXXXXXXXXXX very hacky, not allowed to release
  * again after 2.24
- *
- * Nah ha! And you thought you'd be in business that long!
  */
 void mywindow_build_and_set_renderwin(void)
 {
@@ -405,7 +405,7 @@ void mywinclose(int winid)
 	if (curswin==winid) curswin= 0;
 }
 
-void mywinposition(int winid, int xmin, int xmax, int ymin, int ymax) /* let op: andere syntax */
+void mywinposition(int winid, int xmin, int xmax, int ymin, int ymax) /* watch: syntax differs from iris */
 {
 	bWindow *win= bwin_from_winid(winid);
 	
@@ -564,7 +564,7 @@ void myswapbuffers(void)
 }
 
 
-/* *********************** PATTERNS ENZO ***************** */
+/* *********************** PATTERNS ETC ***************** */
 
 void setlinestyle(int nr)
 {
@@ -610,7 +610,7 @@ void my_get_frontbuffer_image(int x, int y, int sx, int sy)
 	}
 
 	#ifdef WIN32
-	/* ander coordinatensysteem! */
+	/* different coord system! */
 	y= (G.curscreen->sizey-y);
 	
 	if(curswin>3) {
diff --git a/source/blender/src/oops.c b/source/blender/src/oops.c
index 2831b3f0fb4..75b41312d41 100644
--- a/source/blender/src/oops.c
+++ b/source/blender/src/oops.c
@@ -93,11 +93,11 @@ Oops *find_oops(ID *id)
 {
 	Oops *oops;
 
-	/* op zoek naar een oops met dit ID */
+	/* searching for an oops with this ID */
 	oops= G.soops->oops.first;
 	while(oops) {
 		if(oops->id == id) {
-			/* deze fout kwam een keer voor. beveiliging kan geen kwaad */
+			/* this error once happened. securing it doesnt harm */
 			if(oops->type != GS(id->name)) oops->id= 0;
 			else break;
 		}
@@ -108,7 +108,7 @@ Oops *find_oops(ID *id)
 
 int test_oops(Oops *oops)
 {
-	/* test of de eigen ID block nog bestaat */
+	/* test if own ID block still exists */
 	ListBase *lb;
 	ID *id;
 	
@@ -129,7 +129,7 @@ int test_oops(Oops *oops)
 
 void test_oopslinko(OopsLink *ol)
 {
-	/* test of links bestaan */
+	/* test if links exist */
 	Oops *oops;
 	ListBase *lb;
 	ID *id, *from;
@@ -149,11 +149,11 @@ void test_oopslinko(OopsLink *ol)
 	}
 	
 	if(id==0) {
-		/* ID bestaat niet meer */
+		/* ID does not exist anymore */
 		*ol->idfrom= 0;
 	}
 	else {
-		/* op zoek naar een oops met dit ID */
+		/* search for oops with this ID */
 		oops= G.soops->oops.first;
 		while(oops) {
 			if(oops->id == id) break;
@@ -166,7 +166,7 @@ void test_oopslinko(OopsLink *ol)
 
 void test_oopslink(OopsLink *ol)
 {
-	/* test of links bestaan */
+	/* test if links exist */
 	Oops *oops;
 	ID *from;
 	
@@ -177,7 +177,7 @@ void test_oopslink(OopsLink *ol)
 
 	if(from==0) return;
 	
-	/* op zoek naar een oops met dit ID */
+	/* search for oops with this ID */
 	oops= G.soops->oops.first;
 	while(oops) {
 		if(oops->id == from) break;
@@ -195,7 +195,7 @@ OopsLink *add_oopslink(char *name, Oops *oops, short type, void *from, float xof
 	
 	if(G.soops==0) return NULL;
 	
-	/* testen offie al bestaat: een andere manier mag ook (linkbuffer) */
+	/* testing if it exsists:  */
 	/* ol= oops->link.first; */
 	/* while(ol) { */
 	/* 	if(ol->idfrom == from) { */
@@ -210,7 +210,7 @@ OopsLink *add_oopslink(char *name, Oops *oops, short type, void *from, float xof
 	
 	if(* ((int *)from) == 0) return NULL;
 	
-	/* nieuwe maken */
+	/* make new */
 	ol= MEM_callocN(sizeof(OopsLink), "oopslink");
 
 	BLI_addtail(&oops->link, ol);
@@ -236,7 +236,7 @@ int oops_test_overlap(Oops *test)
 
 	oops= G.soops->oops.first;
 	while(oops) {
-		if(oops!=test) {	/* niet op hide testen: is slechts tijdelijke flag */
+		if(oops!=test) {	/* do net test for hide: is only a temporal flag */
 			
 			ro.xmin= oops->x;
 			ro.xmax= (float)(oops->x+OOPSX);
@@ -264,7 +264,7 @@ int oops_test_overlaphide(Oops *test)
 
 	oops= G.soops->oops.first;
 	while(oops) {
-		if(oops->hide==0 && oops!=test) {	/* wel op hide testen, niet gebruiken tijdens build_oops */
+		if(oops->hide==0 && oops!=test) {	/* do test for hide, but not use it during build_oops */
 			
 			ro.xmin= oops->x;
 			ro.xmax= (float)(oops->x+OOPSX);
@@ -320,7 +320,7 @@ void shuffle_oops()
 	int go= 1, tot=0, dir=1, type1, type2;
 	
 	
-	/* we nemen twee oopsen, berkekenen de 'beauty' en de verwisselde beauty */
+	/* we take two oopses, calc the 'beauty' and the exchanged beauty */
 	
 	if(G.soops==0) return;
 	
@@ -328,9 +328,9 @@ void shuffle_oops()
 	
 	waitcursor(1);
 	
-	/* om de zaak 100% OK en snel te doen: voegen tijdelijk
-	 * aan de ooplinklijst - per oops - de 'from' links ook in.
-	 * Wel weer vrijgeven!
+	/* to make it 100% OK and fast: temporal insert
+	 * to the ooplinklist - per oops - the 'from' links.
+	 * Don't forget to free!
 	 */
 	
 	oops= G.soops->oops.first;
@@ -360,7 +360,7 @@ void shuffle_oops()
 		while(oops) {
 			
 			if(oops->link.first && oops->hide==0 && (oops->flag & SELECT)) {
-				/* vind een goed verwisselbaar paar */
+				/* find a good exchangable pair */
 				olen= oopslink_totlen(oops);
 				
 				if(dir) o2= oops->prev;
@@ -407,7 +407,7 @@ void shuffle_oops()
 	}
 	waitcursor(0);
 	
-	/* from links vrijgeven */
+	/* free the from links */
 	oops= G.soops->oops.first;
 	while(oops) {
 		if(oops->hide==0) {
@@ -554,7 +554,7 @@ void new_oops_location(Oops *new)
 	
 	correct_oops_y(new);
 	
-	/* vanuit centrum vrije plek vinden */
+	/* find from center free location */
 	dirvec[cnt & 3][0]= 1.2*OOPSX;
 	dirvec[cnt & 3][1]= 0;
 	cnt++;
@@ -621,7 +621,7 @@ void new_oops_location(Oops *new)
 }
 
 
-void free_oops(Oops *oops)	/* ook oops zelf */
+void free_oops(Oops *oops)	/* also oops itself */
 {
 	BLI_freelistN(&oops->link);
 	MEM_freeN(oops);
@@ -754,7 +754,7 @@ Oops *add_test_oops(void *id)	/* incl links */
 	
 	if(id==0) return NULL;
 	
-	/* eerst test ofie al bestaat */
+	/* test if it exists */
 	oops= find_oops(id);
 	
 	if(oops) {
@@ -788,7 +788,7 @@ Oops *add_test_oops(void *id)	/* incl links */
 		add_mball_oopslinks((MetaBall *)id, oops, G.soops->visiflag);
 		break;
 	case ID_LA:
-		/* textures nog doen */
+		/* still do textures */
 		la= (Lamp *)id;
 		if(la->ipo) if(G.soops->visiflag & OOPS_IP) add_oopslink("ipo", oops, ID_IP, &la->ipo, OOPSX, (float)(0.3*OOPSY));
 		break;	 
@@ -827,7 +827,7 @@ void build_oops()
 	Object *ob;
 	short a, type;
 	
-	/* altijd alles bouwen! */
+	/* always build it all! */
 
 	if(G.soops==0) return;	
 	
@@ -837,14 +837,14 @@ void build_oops()
 		oops->hide= 1;
 		oops->flag &= ~OOPS_REFER;
 		
-		BLI_freelistN(&oops->link);	/* veel veiliger */
+		BLI_freelistN(&oops->link);	/* much safer */
 		
 		oops= oops->next;
 	}
 
-	/* oopsen maken,is ook testen of ie al bestaat */
+	/* make oops, includes testing for existance */
 
-	/* altijd */	
+	/* awlays */	
 	if(G.soops->visiflag & OOPS_LI) {
 		Library *li= G.main->library.first;
 		while(li) {
@@ -853,7 +853,7 @@ void build_oops()
 		}
 	}
 	
-	/* rest op twee manieren: of alles (OOPS_SCE) of alleen gebruikt in deze scene */
+	/* the rest in 2 ways: or everything (OOPS_SCE) or only the ones in this scene */
 	
 	if(G.soops->visiflag & OOPS_SCE) {
 		Scene *sce= G.main->scene.first;
@@ -947,7 +947,7 @@ void build_oops()
 	}
 	else {
 		
-		/* alleen blokken uit huidige scene */
+		/* only blocks from this scene */
 		
 		base= FIRSTBASE;
 		while(base) {
@@ -1031,7 +1031,7 @@ void build_oops()
 	
 
 
-	/* links testen */
+	/* test links */
 	oops= G.soops->oops.first;
 	while(oops) {
 		if(oops->hide==0) {	
diff --git a/source/blender/src/playanim.c b/source/blender/src/playanim.c
index d42cca55e90..70232870b2b 100644
--- a/source/blender/src/playanim.c
+++ b/source/blender/src/playanim.c
@@ -707,7 +707,7 @@ void playanim(int argc, char **argv)
 			pupdate_time();
 					
 			if (picture && next) {
-				/* altijd minstens 1 stap zetten */
+				/* always at least set one step */
 				while (picture){
 					if (next < 0) picture = picture->prev;
 					else picture = picture->next;
diff --git a/source/blender/src/previewrender.c b/source/blender/src/previewrender.c
index ec16f1dd63e..c1953a29b1c 100644
--- a/source/blender/src/previewrender.c
+++ b/source/blender/src/previewrender.c
@@ -267,7 +267,7 @@ static void display_pr_scanline(unsigned int *rect, int recty)
 	
 	rect+= (recty-2)*PR_RECTX;
 
-	/* iets meer uitvergroten in y om GL/mesa bugje te verhelpen */
+	/* enlarge a bit in the y direction, to avoid GL/mesa bug */
 	glPixelZoom(pr_facx, pr_facy);
 
 	glRasterPos2f( (float)PR_XMIN+0.5, 1.0+(float)PR_YMIN + (recty*PR_FACY) );
@@ -404,7 +404,7 @@ static void lamp_preview_pixel(LampRen *la, int x, int y, char *rect)
 		else {
 			t= inpr-t;
 			if(t<la->spotbl && la->spotbl!=0.0) {
-				/* zachte gebied */
+				/* soft area */
 				i= t/la->spotbl;
 				t= i*i;
 				i= t*i;
@@ -540,7 +540,7 @@ static void texture_preview_pixel(Tex *tex, int x, int y, char *rect)
 		texvec[0]= 0.5+v1*x;
 		texvec[1]= 0.5+v1*y;
 		
-		/* geen coordmapping, uitzondering: repeat */
+		/* no coordinate mapping, exception: repeat */
 		if(tex->xrepeat>1) {
 			texvec[0] *= tex->xrepeat;
 			if(texvec[0]>1.0) texvec[0] -= (int)(texvec[0]);
@@ -585,7 +585,7 @@ static void texture_preview_pixel(Tex *tex, int x, int y, char *rect)
 		texvec[2]= 0.0;
 	}
 	
-	/* geeft geen Tin terug */
+	/* does not return Tin */
 	if(tex->type==TEX_STUCCI) {
 		tex->nor= R.vn;
 		R.vn[0]= 1.0;
@@ -659,7 +659,7 @@ static void shade_preview_pixel(float *vec,
 	
 	R.refcol[0]= R.refcol[1]= R.refcol[2]= R.refcol[3]= 0.0;
 
-	/* texture afhandeling */
+	/* texture handling */
 	if(mat->texco) {
 		
 		VECCOPY(R.lo, vec);
@@ -838,7 +838,7 @@ void BIF_previewrender(SpaceButs *sbuts)
 	if ELEM4(sbuts->mainb, BUTS_MAT, BUTS_TEX, BUTS_LAMP, BUTS_WORLD);
 	else return;
 	
-	har.flarec= 0;	/* verderop test op postrender flare */
+	har.flarec= 0;	/* below is a test for postrender flare */
 	
 	if(qtest()) {
 		addafterqueue(curarea->win, RENDERPREVIEW, 1);
@@ -895,12 +895,12 @@ void BIF_previewrender(SpaceButs *sbuts)
 		if(ob==0 || ob->type!=OB_LAMP) return;
 		la= ob->data;
 		init_render_world();
-		init_render_textures();	/* ze mogen niet twee keer!! (brightness) */
+		init_render_textures();	/* do not do it twice!! (brightness) */
 		R.totlamp= 0;
 		RE_add_render_lamp(ob, 0);	/* 0=no shadbuf */
 		lar= R.la[0];
 		
-		/* uitzonderingen: */
+		/* exceptions: */
 		lar->spottexfac= 1.0;
 		lar->spotsi= cos( M_PI/3.0 );
 		lar->spotbl= (1.0-lar->spotsi)*la->spotblend;
diff --git a/source/blender/src/renderwin.c b/source/blender/src/renderwin.c
index b952abf96e5..67a1ec57072 100644
--- a/source/blender/src/renderwin.c
+++ b/source/blender/src/renderwin.c
@@ -668,7 +668,7 @@ static void do_render(View3D *ogl_render_view3d, int anim, int force_dispwin)
 
 	G.afbreek= 0;
 	if(G.obedit && !(G.scene->r.scemode & R_OGL)) {
-		exit_editmode(0);	/* 0 = geen freedata */
+		exit_editmode(0);	/* 0 = no free data */
 	}
 
 	if(anim) {
diff --git a/source/blender/src/screendump.c b/source/blender/src/screendump.c
index 48c6981d128..967bbe1f075 100644
--- a/source/blender/src/screendump.c
+++ b/source/blender/src/screendump.c
@@ -111,7 +111,7 @@ void write_screendump(char *name)
 
 void BIF_screendump(void)
 {
-	/* dump pakken van frontbuffer */
+	/* get dump from frontbuffer */
 	int x=0, y=0;
 	char imstr[32];
 	
@@ -147,7 +147,7 @@ void BIF_screendump(void)
 		glReadBuffer(GL_FRONT);
 		glReadPixels(x, y, dumpsx, dumpsy, GL_RGBA, GL_UNSIGNED_BYTE, dumprect);
 	
-		/* filesel openen */
+		/* open filesel */
 		
 		activate_fileselect(FILE_SPECIAL, imstr, G.ima, write_screendump);
 	}	
diff --git a/source/blender/src/sequence.c b/source/blender/src/sequence.c
index 83438e3c25b..f30eff81195 100644
--- a/source/blender/src/sequence.c
+++ b/source/blender/src/sequence.c
@@ -70,21 +70,21 @@
 #include "BSE_headerbuttons.h"
 #include "BSE_sequence.h"
 
-#include "interface.h" /* MAART: for INT and FLO types */
+#include "interface.h" /* for INT and FLO types */
 #include "blendef.h"
 #include "render.h"
 
 Sequence *seq_arr[MAXSEQ+1];
 int seqrectx, seqrecty;
 
-/* Alle support voor plugin sequences: */
+/* support for plugin sequences: */
 
 void open_plugin_seq(PluginSeq *pis, char *seqname)
 {
 	int (*version)();
 	char *cp;
 	
-	/* voor zekerheid: (hier wordt op getest) */
+	/* to be sure: (is tested for) */
 	pis->doit= 0;
 	pis->pname= 0;
 	pis->varstr= 0;
@@ -158,7 +158,7 @@ PluginSeq *add_plugin_seq(char *str, char *seqname)
 		return 0;
 	}
 	
-	/* default waardes */
+	/* default values */
 	varstr= pis->varstr;
 	for(a=0; a<pis->vars; a++, varstr++) {
 		if( (varstr->type & FLO)==FLO)
@@ -175,7 +175,7 @@ void free_plugin_seq(PluginSeq *pis)
 
 	if(pis==0) return;
 	
-	/* geen PIL_dynlib_close: dezelfde plugin kan meerdere keren geopend zijn: 1 handle */
+	/* no PIL_dynlib_close: same plugin can be opened multiple times with 1 handle */
 	MEM_freeN(pis);	
 }
 
@@ -306,23 +306,23 @@ void calc_sequence(Sequence *seq)
 	Sequence *seqm;
 	int min, max;
 	
-	/* eerst recursief alle meta's aflopen */
+	/* check all metas recursively */
 	seqm= seq->seqbase.first;
 	while(seqm) {
 		if(seqm->seqbase.first) calc_sequence(seqm);
 		seqm= seqm->next;
 	}
 	
-	/* effecten: en meta automatische start en end */
+	/* effects and meta: automatic start and end */
 	
 	if(seq->type & SEQ_EFFECT) {
 		/* pointers */
 		if(seq->seq2==0) seq->seq2= seq->seq1;
 		if(seq->seq3==0) seq->seq3= seq->seq1;
 	
-		/* effecten gaan van seq1 -> seq2: testen */
+		/* effecten go from seq1 -> seq2: test */
 		
-		/* we nemen de grootste start en de kleinste eind */
+		/* we take the largest start and smallest end */
 		
 		// seq->start= seq->startdisp= MAX2(seq->seq1->startdisp, seq->seq2->startdisp);
 		// seq->enddisp= MIN2(seq->seq1->enddisp, seq->seq2->enddisp);
@@ -375,7 +375,7 @@ void calc_sequence(Sequence *seq)
 
 void sort_seq()
 {
-	/* alle strips in soort bij elkaar en op volgorde van machine */
+	/* all strips together per kind, and in order of y location ("machine") */
 	ListBase seqbase, effbase;
 	Editing *ed;
 	Sequence *seq, *seqt;
@@ -424,7 +424,7 @@ void clear_scene_in_allseqs(Scene *sce)
 	Editing *ed;
 	Sequence *seq;
 	
-	/* als er een scene delete is: alle seqs testen */
+	/* when a scene is deleted: test all seqs */
 	
 	sce1= G.main->scene.first;
 	while(sce1) {
@@ -464,7 +464,7 @@ void do_alphaover_effect(float facf0, float facf1, int x, int y, unsigned int *r
 		x= xo;
 		while(x--) {
 			
-			/* rt = rt1 over rt2  (alpha van rt1) */	
+			/* rt = rt1 over rt2  (alpha from rt1) */	
 			
 			fac= fac2;
 			mfac= 256 - ( (fac2*rt1[3])>>8 );
@@ -529,10 +529,10 @@ void do_alphaunder_effect(float facf0, float facf1, int x, int y, unsigned int *
 		x= xo;
 		while(x--) {
 			
-			/* rt = rt1 under rt2  (alpha van rt2) */
+			/* rt = rt1 under rt2  (alpha from rt2) */
 			
-			/* deze ingewikkelde optimalisering is omdat 
-			 * de 'skybuf' ingecrosst kan worden
+			/* this complex optimalisation is because the 
+			 * 'skybuf' can be crossed in
 			 */
 			if(rt2[3]==0 && fac2==256) *( (unsigned int *)rt) = *( (unsigned int *)rt1);
 			else if(rt2[3]==255) *( (unsigned int *)rt) = *( (unsigned int *)rt2);
@@ -818,7 +818,7 @@ void do_drop_effect(float facf0, float facf1, int x, int y, unsigned int *rect2i
 	memcpy(out, rt1, sizeof(int)*YOFF*width);
 }
 
-						/* L E T  O P:  rect2 en rect1 omgekeerd */
+						/* WATCH:  rect2 and rect1 reversed */
 void do_drop_effect2(float facf0, float facf1, int x, int y, unsigned int *rect2, unsigned int *rect1, unsigned int *out)
 {
 	int col, xo, yo, temp, fac1, fac3;
@@ -923,7 +923,7 @@ void do_mul_effect(float facf0, float facf1, int x, int y, unsigned int *rect1,
 	fac1= (int)(256.0*facf0);
 	fac3= (int)(256.0*facf1);
 	
-	/* formule:
+	/* formula:
 	 *		fac*(a*b) + (1-fac)*a  => fac*a*(b-1)+a
 	 */
 	
@@ -1005,7 +1005,7 @@ void do_effect(int cfra, Sequence *seq, StripElem *se)
 		return;
 	}
 	
-	/* als metastrip: andere se's */
+	/* if metastrip: other se's */
 	if(se->se1->ok==2) se1= se->se1->se1;
 	else se1= se->se1;
 
@@ -1152,7 +1152,7 @@ void set_meta_stripdata(Sequence *seqm)
 	StripElem *se;
 	int a, cfra, b;
 	
-	/* zet alle ->se1 pointers in stripdata, dan kan daar de ibuf uitgelezen */
+	/* sets all ->se1 pointers in stripdata, to read the ibuf from it */
 	
 	ed= G.scene->ed;
 	if(ed==0) return;
@@ -1165,7 +1165,7 @@ void set_meta_stripdata(Sequence *seqm)
 		cfra= a+seqm->start;
 		if(evaluate_seq_frame(cfra)) {
 			
-			/* we nemen de hoogste effectstrip of de laagste imagestrip/metastrip */
+			/* we take the upper effect strip or the lowest imagestrip/metastrip */
 			seqim= seqeff= 0;
 			
 			for(b=1; b<MAXSEQ; b++) {
@@ -1197,7 +1197,7 @@ void set_meta_stripdata(Sequence *seqm)
 
 
 
-/* HULPFUNKTIES VOOR GIVE_IBUF_SEQ */
+/* HELP FUNCTIONS FOR GIVE_IBUF_SEQ */
 
 void do_seq_count_cfra(ListBase *seqbase, int *totseq, int cfra)
 {
@@ -1232,7 +1232,7 @@ void do_build_seqar_cfra(ListBase *seqbase, Sequence ***seqar, int cfra)
 	seq= seqbase->first;
 	while(seq) {
 		
-		/* op nul zetten ivm free_imbuf_seq... */
+		/* set at zero because free_imbuf_seq... */
 		seq->curelem= 0;
 		
 		if(seq->startdisp <=cfra && seq->enddisp > cfra) {
@@ -1258,7 +1258,7 @@ void do_build_seqar_cfra(ListBase *seqbase, Sequence ***seqar, int cfra)
 				}
 				else if(seq->type & SEQ_EFFECT) {
 				
-					/* testen of image te klein is: opnieuw maken */
+					/* test if image is too small: reload */
 					if(se->ibuf) {
 						if(se->ibuf->x < seqrectx || se->ibuf->y < seqrecty) {
 							IMB_freeImBuf(se->ibuf);
@@ -1266,7 +1266,7 @@ void do_build_seqar_cfra(ListBase *seqbase, Sequence ***seqar, int cfra)
 						}
 					}
 					
-					/* moet het effect (opnieuw) berekend? */
+					/* does the effect should be recalculated? */
 					
 					if(se->ibuf==0 || (se->se1 != seq->seq1->curelem) || (se->se2 != seq->seq2->curelem) || (se->se3 != seq->seq3->curelem)) {
 						se->se1= seq->seq1->curelem;
@@ -1278,7 +1278,7 @@ void do_build_seqar_cfra(ListBase *seqbase, Sequence ***seqar, int cfra)
 						do_effect(cfra, seq, se);
 					}
 					
-					/* size testen */
+					/* test size */
 					if(se->ibuf) {
 						if(se->ibuf->x != seqrectx || se->ibuf->y != seqrecty ) {
 							if(G.scene->r.mode & R_OSA) 
@@ -1291,7 +1291,7 @@ void do_build_seqar_cfra(ListBase *seqbase, Sequence ***seqar, int cfra)
 				else if(seq->type < SEQ_EFFECT) {
 					
 					if(se->ibuf) {
-						/* testen of image te klein is: opnieuw laden */
+						/* test if image too small: reload */
 						if(se->ibuf->x < seqrectx || se->ibuf->y < seqrecty) {
 							IMB_freeImBuf(se->ibuf);
 							se->ibuf= 0;
@@ -1302,7 +1302,7 @@ void do_build_seqar_cfra(ListBase *seqbase, Sequence ***seqar, int cfra)
 					if(seq->type==SEQ_IMAGE) {
 						if(se->ok && se->ibuf==0) {
 						
-							/* als playanim of render: geen waitcursor doen */
+							/* if playanim or render: no waitcursor */
 							if((G.f & G_PLAYANIM)==0) waitcursor(1);
 						
 							strcpy(name, seq->strip->dir);
@@ -1323,7 +1323,7 @@ void do_build_seqar_cfra(ListBase *seqbase, Sequence ***seqar, int cfra)
 					else if(seq->type==SEQ_MOVIE) {
 						if(se->ok && se->ibuf==0) {
 						
-							/* als playanim of render: geen waitcursor doen */
+							/* if playanim r render: no waitcursor */
 							if((G.f & G_PLAYANIM)==0) waitcursor(1);
 						
 							if(seq->anim==0) {
@@ -1355,17 +1355,17 @@ void do_build_seqar_cfra(ListBase *seqbase, Sequence ***seqar, int cfra)
 						oldsce= G.scene;
 						set_scene_bg(seq->scene);
 						
-						/* oneindige lus voorkomen */
+						/* prevent eternal loop */
 						doseq= G.scene->r.scemode & R_DOSEQ;
 						G.scene->r.scemode &= ~R_DOSEQ;
 						
-						/* vanalles bewaren */
+						/* store stuffies */
 						oldcfra= CFRA; CFRA= seq->sfra + se->nr;
 						waitcursor(1);
 						
 						rectot= R.rectot; R.rectot= 0;
 						oldx= R.rectx; oldy= R.recty;
-						/* dit is nodig omdat de huidige 3D window niet de layers mag leveren, alsof het background render is */
+						/* needed because current 3D window cannot define the layers, like in a background render */
 						vd= G.vd;
 						G.vd= 0;
 						
@@ -1408,7 +1408,7 @@ void do_build_seqar_cfra(ListBase *seqbase, Sequence ***seqar, int cfra)
 						R.r.imtype= G.scene->r.imtype;
 					}
 					
-					/* size testen */
+					/* size test */
 					if(se->ibuf) {
 						if(se->ibuf->x != seqrectx || se->ibuf->y != seqrecty ) {
 						
@@ -1448,9 +1448,9 @@ ImBuf *give_ibuf_seq(int cfra)
 	StripElem *se;
 	int seqnr, totseq;
 
-	/* we maken recursief een 'stack' van sequences, deze is ook
-	 * gesorteerd en kan gewoon doorlopen worden.
-	 * Deze methode is vooral ontwikkeld voor stills voor en achter meta's
+	/* we make recursively a 'stack' of sequences, these are
+	 * sorted nicely as well.
+	 * this method has been developed especially for stills before or after metas
 	 */
 
 	totseq= 0;
@@ -1465,10 +1465,10 @@ ImBuf *give_ibuf_seq(int cfra)
 	seqrecty= (G.scene->r.size*G.scene->r.ysch)/100;
 
 
-	/* tseqar is nodig omdat in do_build_... de pointer verandert */
+	/* tseqar is neede because in do_build_... the pointer changes */
 	seqar= tseqar= MEM_callocN(sizeof(void *)*totseq, "seqar");
 	
-	/* deze fie laadt en maakt ook de ibufs */
+	/* this call loads and makes the ibufs */
 	do_build_seqar_cfra(ed->seqbasep, &seqar, cfra);
 	seqar= tseqar;
 	
@@ -1479,7 +1479,7 @@ ImBuf *give_ibuf_seq(int cfra)
 		if(se) {
 			if(seq->type==SEQ_META) {
 				
-				/* onderste strip! */
+				/* bottom strip! */
 				if(seqfirst==0) seqfirst= seq;
 				else if(seqfirst->depth > seq->depth) seqfirst= seq;
 				else if(seqfirst->machine > seq->machine) seqfirst= seq;
@@ -1487,7 +1487,7 @@ ImBuf *give_ibuf_seq(int cfra)
 			}
 			else if(seq->type & SEQ_EFFECT) {
 				
-				/* bovenste strip! */
+				/* top strip! */
 				if(seqfirst==0) seqfirst= seq;
 				else if(seqfirst->depth > seq->depth) seqfirst= seq;
 				else if(seqfirst->machine < seq->machine) seqfirst= seq;
@@ -1496,7 +1496,7 @@ ImBuf *give_ibuf_seq(int cfra)
 			}
 			else if(seq->type < SEQ_EFFECT) {	/* images */
 				
-				/* onderste strip! zodat je bovenin altijd hulptroep kan bewaren */
+				/* bottom strip! a feature that allows you to store junk in locations above */
 				
 				if(seqfirst==0) seqfirst= seq;
 				else if(seqfirst->depth > seq->depth) seqfirst= seq;
@@ -1630,7 +1630,7 @@ void do_render_seq()
 /*  	static ImBuf *lastibuf=0; */
 	ImBuf *ibuf;
 	
-	/* plaatje in R.rectot kopieeren */
+	/* copy image into R.rectot */
 	
 	G.f |= G_PLAYANIM;	/* waitcursor patch */
 	
diff --git a/source/blender/src/space.c b/source/blender/src/space.c
index ae30d69ddb3..0836f96a750 100644
--- a/source/blender/src/space.c
+++ b/source/blender/src/space.c
@@ -28,7 +28,9 @@
  * Contributor(s): none yet.
  *
  * ***** END GPL/BL DUAL LICENSE BLOCK *****
- * - hier het initialiseren en vrijgeven van SPACE data
+ *
+ *
+ * - here initialize and free and handling SPACE data
  */
 
 #include <string.h>
@@ -161,7 +163,7 @@ void copy_view3d_lock(short val)
 	bScreen *sc;
 	int bit;
 	
-	/* van G.scene naar andere views kopieeren */
+	/* from G.scene copy to the other views */
 	sc= G.main->screen.first;
 	
 	while(sc) {
@@ -211,7 +213,7 @@ void handle_view3d_lock()
 	if (G.vd != NULL) {
 		if(G.vd->localview==0 && G.vd->scenelock && curarea->spacetype==SPACE_VIEW3D) {
 
-			/* naar scene kopieeren */
+			/* copy to scene */
 			G.scene->lay= G.vd->lay;
 			G.scene->camera= G.vd->camera;
 	
@@ -386,7 +388,7 @@ void start_game(void)
 
 static void changeview3dspace(ScrArea *sa, void *spacedata)
 {
-	setwinmatrixview3d(0);	/* 0= geen pick rect */
+	setwinmatrixview3d(0);	/* 0= no pick rect */
 }
 
 	/* Callable from editmode and faceselect mode from the
@@ -438,7 +440,7 @@ void winqreadview3dspace(ScrArea *sa, void *spacedata, BWinEvent *evt)
 	float *curs;
 	int doredraw= 0, pupval;
 	
-	if(curarea->win==0) return;	/* hier komtie vanuit sa->headqread() */
+	if(curarea->win==0) return;	/* when it comes from sa->headqread() */
 	if(event==MOUSEY) return;
 	
 	if(val) {
@@ -1062,7 +1064,7 @@ void initview3d(ScrArea *sa)
 	View3D *vd;
 	
 	vd= MEM_callocN(sizeof(View3D), "initview3d");
-	BLI_addhead(&sa->spacedata, vd);	/* addhead! niet addtail */
+	BLI_addhead(&sa->spacedata, vd);	/* addhead! not addtail */
 
 	vd->spacetype= SPACE_VIEW3D;
 	vd->viewquat[0]= 1.0;
@@ -1770,7 +1772,7 @@ void winqreadbutspace(ScrArea *sa, void *spacedata, BWinEvent *evt)
 
 void set_rects_butspace(SpaceButs *buts)
 {
-	/* buts space loopt van (0,0) tot (1280, 228) */
+	/* buts space goes from (0,0) to (1280, 228) */
 
 	buts->v2d.tot.xmin= 0.0;
 	buts->v2d.tot.ymin= 0.0;
@@ -1811,7 +1813,7 @@ void init_butspace(ScrArea *sa)
 	buts->spacetype= SPACE_BUTS;
 	buts->scaflag= BUTS_SENS_LINK|BUTS_SENS_ACT|BUTS_CONT_ACT|BUTS_ACT_ACT|BUTS_ACT_LINK;
 
-	/* set_rects doet alleen defaults, zodat na het filezen de cur niet verandert */
+	/* set_rects only does defaults, so after reading a file the cur has not changed */
 	set_rects_butspace(buts);
 	buts->v2d.cur= buts->v2d.tot;
 }
@@ -1821,10 +1823,10 @@ void extern_set_butspace(int fkey)
 	ScrArea *sa;
 	SpaceButs *sbuts;
 	
-	/* als een ftoets ingedrukt: de dichtsbijzijnde buttonwindow wordt gezet */
+	/* when a f-key pressed: closest button window is initialized */
 	if(curarea->spacetype==SPACE_BUTS) sa= curarea;
 	else {
-		/* area vinden */
+		/* find area */
 		sa= G.curscreen->areabase.first;
 		while(sa) {
 			if(sa->spacetype==SPACE_BUTS) break;
@@ -2030,7 +2032,7 @@ void init_seqspace(ScrArea *sa)
 	sseq->spacetype= SPACE_SEQ;
 	sseq->zoom= 1;
 	
-	/* seq space loopt van (0,8) tot (250, 0) */
+	/* seq space goes from (0,8) to (250, 0) */
 
 	sseq->v2d.tot.xmin= 0.0;
 	sseq->v2d.tot.ymin= 0.0;
@@ -2189,7 +2191,7 @@ void init_soundspace(ScrArea *sa)
 
 	ssound->spacetype= SPACE_SOUND;
 	
-	/* sound space loopt van (0,8) tot (250, 0) */
+	/* sound space goes from (0,8) to (250, 0) */
 
 	ssound->v2d.tot.xmin= -4.0;
 	ssound->v2d.tot.ymin= -4.0;
@@ -2262,7 +2264,7 @@ void winqreadimagespace(ScrArea *sa, void *spacedata, BWinEvent *evt)
 				}
 			
 				brush = IMG_BrushCreate(Gvp.size, Gvp.size, Gvp.r, Gvp.g, Gvp.b, Gvp.a);
-				/* MAART: skipx is not set most of the times. Make a guess. */
+				/* skipx is not set most of the times. Make a guess. */
 				rowBytes = sima->image->ibuf->skipx ? sima->image->ibuf->skipx : sima->image->ibuf->x * 4;
 				canvas = IMG_CanvasCreateFromPtr(sima->image->ibuf->rect, sima->image->ibuf->x, sima->image->ibuf->y, rowBytes);
 
@@ -2375,7 +2377,7 @@ extern void drawimaselspace(ScrArea *sa, void *spacedata);
 extern void winqreadimaselspace(struct ScrArea *sa, void *spacedata, struct BWinEvent *evt);
 
 
-/* alles naar imasel.c */
+/* everything to imasel.c */
 
 
 /* ******************** SPACE: OOPS ********************** */
@@ -2599,7 +2601,7 @@ void newspace(ScrArea *sa, int type)
 	}
 
 		
-	/* uitzondering: filespace */
+	/* exception: filespace */
 	if(curarea->spacetype==SPACE_FILE) {
 		SpaceFile *sfile= curarea->spacedata.first;
 		
@@ -2613,7 +2615,7 @@ void newspace(ScrArea *sa, int type)
 		sfile->title[0]= 0;
 		if(sfile->filelist) test_flags_file(sfile);
 	}
-	/* uitzondering: imasel space */
+	/* exception: imasel space */
 	else if(curarea->spacetype==SPACE_IMASEL) {
 		SpaceImaSel *simasel= curarea->spacedata.first;
 		simasel->returnfunc= 0;
@@ -2681,7 +2683,7 @@ void duplicatespacelist(ScrArea *newarea, ListBase *lb1, ListBase *lb2)
 
 	duplicatelist(lb1, lb2);
 	
-	/* lb1 is kopie van lb2, van lb2 geven we de filelist vrij */
+	/* lb1 is kopie from lb2, from lb2 we free the file list */
 	
 	sl= lb2->first;
 	while(sl) {
@@ -2736,7 +2738,7 @@ void duplicatespacelist(ScrArea *newarea, ListBase *lb1, ListBase *lb2)
 		sl= sl->next;
 	}
 
-	/* nog een keer: van oude View3D de localview restoren (ivm full) */
+	/* again: from old View3D restore localview (because full) */
 	sl= lb2->first;
 	while(sl) {
 		if(sl->spacetype==SPACE_VIEW3D) {
@@ -2752,7 +2754,7 @@ void duplicatespacelist(ScrArea *newarea, ListBase *lb1, ListBase *lb2)
 	}
 }
 
-/* wordt overal aangeroepen */
+/* is called everywhere in blender */
 void allqueue(unsigned short event, short val)
 {
 	ScrArea *sa;
@@ -3056,7 +3058,7 @@ void allspace(unsigned short event, short val)
 
 void force_draw()
 {
-	/* alle area's die (ongeveer) zelfde laten zien als curarea */
+	/* draws alle areas that something identical to curarea */
 	ScrArea *tempsa, *sa;
 
 	scrarea_do_windraw(curarea);
@@ -3094,7 +3096,7 @@ void force_draw()
 
 void force_draw_plus(int type)
 {
-	/* alle area's die (ongeveer) zelfde laten zien als curarea EN areas van 'type' */
+	/* draws all areas that show something like curarea AND areas of 'type' */
 	ScrArea *tempsa, *sa;
 
 	scrarea_do_windraw(curarea); 
@@ -3117,7 +3119,7 @@ void force_draw_plus(int type)
 
 void force_draw_all(void)
 {
-	/* alle area's die (ongeveer) zelfde laten zien als curarea EN areas van 'type' */
+	/* redraws all */
 	ScrArea *tempsa, *sa;
 
 	drawscreen();
diff --git a/source/blender/src/swapbuffers.c b/source/blender/src/swapbuffers.c
index 3b7b6bf5b26..c0776b1934d 100644
--- a/source/blender/src/swapbuffers.c
+++ b/source/blender/src/swapbuffers.c
@@ -30,6 +30,15 @@
  * ***** END GPL/BL DUAL LICENSE BLOCK *****
  */
 
+
+/* HRMS!!... blender has its own swapbuffers method. for sgi only that worked pretty nice.
+ * but with porting to linux and win, with mesa and opengl variations, it all grow
+ * out of control.
+ * with the introduction of Ghost (2002) we really should bring this back to a single
+ * method again. (ton)
+ */
+
+
 #include <stdlib.h>
 
 #ifdef HAVE_CONFIG_H
@@ -89,9 +98,9 @@ static void screen_swapbuffers_REDRAW(bScreen *sc)
 	ScrArea *sa;
 	int doswap= 0, swap;
 	
-	/* dit is een nieuwe implementatie: uitsluitend met redraws en normale swapbuffer */
+	/* a new implementation: only using redraws and a normal swapbuffer */
 
-	/* allemaal front ok? */
+	/* all areas front ok? */
 	sa= sc->areabase.first;
 	while(sa) {
 		if(sa->win && (sa->win_swap & WIN_FRONT_OK)==0) break;
@@ -123,7 +132,7 @@ static void screen_swapbuffers_REDRAW(bScreen *sc)
 		sa= sa->next;
 	}
 
-	/* de hele backbuffer moet nu OK zijn */
+	/* the whole backbuffer should now be ok */
 	if(doswap) {
 		myswapbuffers();
 	}
@@ -179,10 +188,10 @@ static void screen_swapbuffers_DEBUG_SWAP(bScreen *sc)
 {
 	ScrArea *sa;
 	int doswap= 0, swap;
-	
-	/* dit is een nieuwe implementatie: uitsluitend met redraws en normale swapbuffer */
 
-	/* allemaal front ok? */
+	/* a new implementation: only using redraws and a normal swapbuffer */
+
+	/* all areas front ok? */
 	sa= sc->areabase.first;
 	while(sa) {
 		if(sa->win && (sa->win_swap & WIN_FRONT_OK)==0) break;
@@ -219,7 +228,6 @@ static void screen_swapbuffers_DEBUG_SWAP(bScreen *sc)
 		sa= sa->next;
 	}
 
-	/* de hele backbuffer moet nu OK zijn */
 	if(doswap) {
 		myswapbuffers();
 	}
diff --git a/source/blender/src/toets.c b/source/blender/src/toets.c
index 35cfea9d0a2..91b1c39db7a 100644
--- a/source/blender/src/toets.c
+++ b/source/blender/src/toets.c
@@ -28,7 +28,11 @@
  * Contributor(s): none yet.
  *
  * ***** END GPL/BL DUAL LICENSE BLOCK *****
- * Algemene toetsen, bijzondere in de space.c
+
+ *
+ *
+ * General blender hot keys (toets = dutch), special hotkeys are in space.c
+ *
  */
 
 #include <string.h>
@@ -108,7 +112,7 @@ void schrijfplaatje(char *name);
 
 void write_imag(char *name)
 {
-	/* vanuit filesel */
+	/* from file select */
 	char str[256];
 
 	strcpy(str, name);
@@ -126,25 +130,24 @@ void write_imag(char *name)
 	}
 }
 
-/* ripped from render module */
-/*  void schrijfplaatje(char *name); */
-
 
 /* From matrix.h: it's really a [4][4]! */
 /* originally in initrender... maybe add fileControl thingy? */
+
+/* should be called write_image(char *name) :-) */
 void schrijfplaatje(char *name)
 {
 	struct ImBuf *ibuf=0;
 	unsigned int *temprect=0;
 	char str[FILE_MAXDIR+FILE_MAXFILE];
 
-	/* Staat RGBA aan? Zo ja: gebruik alphakanaal voor kleur 0 */
+	/* has RGBA been set? If so: use alpha channel for color zero */
 	IMB_alpha_to_col0(FALSE);
 
 	if(R.r.planes == 32) {
-		/* alles met minder dan 50 % alpha -> col 0 */
+		/* everything with less than 50 % alpha -> col 0 */
 		if(R.r.alphamode == R_ALPHAKEY) IMB_alpha_to_col0(2);
-		/* uitsluitend met 0 alpha -> col 0 */
+		/* only when 0 alpha -> col 0 */
 		else IMB_alpha_to_col0(1);
 	}
 
@@ -197,7 +200,7 @@ void schrijfplaatje(char *name)
 			ibuf->ftype= RAWTGA;
 		}
 		else if(R.r.imtype==R_HAMX) {
-			/* kopie maken */
+			/* make copy */
 			temprect= MEM_dupallocN(R.rectot);
 			ibuf->ftype= AN_hamx;
 		}
@@ -287,7 +290,7 @@ void persptoetsen(unsigned short event)
 			if(G.vd->persp>=2) G.vd->persp= perspo;
 		}
 		else if(event==PADMINUS) {
-			/* deze min en max staan ook in viewmove() */
+			/* this min and max is also in viewmove() */
 			if(G.vd->persp==2) {
 					G.vd->camzoom-= 10;
 					if(G.vd->camzoom<-30) G.vd->camzoom= -30;
@@ -341,7 +344,7 @@ void persptoetsen(unsigned short event)
 			if(G.vd->persp>=2) G.vd->persp= perspo;
 		}
 		else if(event==PADMINUS) {
-			/* deze min en max staan ook in viewmove() */
+			/* this min and max is also in viewmove() */
 			if(G.vd->persp==2) {
 				G.vd->camzoom= MAX2(-30, G.vd->camzoom-5);
 			}
@@ -402,7 +405,7 @@ void persptoetsen(unsigned short event)
 		}
 		else if(G.vd->persp<2) {
 			if(event==PAD4 || event==PAD6) {
-				/* z-as */
+				/* z-axis */
 				phi= (float)(M_PI/24.0);
 				if(event==PAD6) phi= -phi;
 				si= (float)sin(phi);
@@ -414,7 +417,7 @@ void persptoetsen(unsigned short event)
 			}
 			if(event==PAD2 || event==PAD8) {
 				
-				/* liggende as */
+				/* horizontal axis */
 				VECCOPY(q1+1, G.vd->viewinv[0]);
 				
 				Normalise(q1+1);
@@ -502,9 +505,8 @@ void BIF_save_rendered_image(void)
 
 int blenderqread(unsigned short event, short val)
 {
-	/* hier alle algemene toetsafhandelingen (niet screen/window/space) */
-	/* return 0: niet aan andere queue's doorgeven */
-/*  	extern char videosc_dir[]; */
+	/* here do the general keys handling (not screen/window/space) */
+	/* return 0: do not pass on to the other queues */
 	extern int textediting;
 	ScrArea *sa;
 	Object *ob;
@@ -672,7 +674,7 @@ int blenderqread(unsigned short event, short val)
 				if(curarea->spacetype==SPACE_IPO) set_editflag_editipo();
 				else if(curarea->spacetype==SPACE_SEQ) enter_meta();
 				else if(G.vd) {
-					/* ook als Alt-E */
+					/* also when Alt-E */
 					if(G.obedit==0) enter_editmode();
 					else exit_editmode(1);
 				}
diff --git a/source/blender/src/toolbox.c b/source/blender/src/toolbox.c
index c16bc7ccb29..6fe628c0ad8 100644
--- a/source/blender/src/toolbox.c
+++ b/source/blender/src/toolbox.c
@@ -101,23 +101,12 @@
 #include "interface.h"
 #include "render.h"
 
-/*   ********  NOTES  ***********	*****************************
-	
-	- Toolbox items zelf invullen
-	- de colormap kleuren staan met comments in de bgntoolbox()
-	- de funktie extern_qread eventueel vervangen
-	- let op de benaming van bijzondere toetsen (NumL etc) 
-	- meelinken: Button.c,  ivm rawcodes
-	
-	*****************************	*****************************
-*/	
-
 
 static int tbx1, tbx2, tby1, tby2, tbfontyofs, tbmain=0;
 static int tbmemx=TBOXX/2, tbmemy=(TBOXEL-0.5)*TBOXH, tboldwin, addmode= 0;
 static int oldcursor;
 
-	/* variabelen per item */
+	/* variables per item */
 static char *tbstr, *tbstr1, *keystr; 	
 static void (*tbfunc)(int);
 static int tbval;
@@ -159,7 +148,7 @@ void tboxSetCallback(Tbox_callbackfunc f)
 
 void tbox_setinfo(int x, int y)
 {
-	/* afhankelijk van tbmain worden vars gezet */
+	/* dependant of tbmain vars are set */
 	tbstr= 0;
 	tbstr1= 0;
 	tbfunc= 0;
@@ -497,7 +486,7 @@ void bgnpupdraw(int startx, int starty, int endx, int endy)
 
 	mywinset(G.curscreen->mainwin);
 	
-	/* pietsje groter, 1 pixel aan de rand */
+	/* tinsy bit larger, 1 pixel on the rand */
 	
 	glReadBuffer(GL_FRONT);
 	glDrawBuffer(GL_FRONT);
@@ -509,7 +498,7 @@ void bgnpupdraw(int startx, int starty, int endx, int endy)
 	oldcursor= get_cursor();
 	set_cursor(CURSOR_STD);
 	
-	tbfontyofs= (TBOXH-11)/2 +2;	/* toolbox, hier stond ooit getheigh */
+	tbfontyofs= (TBOXH-11)/2 +2;	/* for toolbox */
 }
 
 void endpupdraw(void)
@@ -569,8 +558,8 @@ void asciitoraw(int ch, unsigned short *event, unsigned short *qual)
 
 void tbox_execute(void)
 {
-	/* als tbfunc: functie aanroepen */
-	/* als tbstr1 is een string: value tbval in queue stopen */
+	/* if tbfunc: call function */
+	/* if tbstr1 is a string: put value tbval in queue */
 	unsigned short event=0;
 	unsigned short qual1=0, qual2=0;
 
@@ -811,7 +800,7 @@ void tbox_drawelem_text(x, y, type)
 		glColor3ub(240, 240, 240);
 	}
 	
-	/* tekst */
+	/* text */
 	tbox_setinfo(x, y);
 	if(tbstr && tbstr[0]) {
 		len1= 5+BMF_GetStringWidth(G.font, tbstr);
@@ -883,7 +872,7 @@ void drawtoolbox(void)
 
 	tbox_getactive(&actx, &acty);
 
-	/* de background */
+	/* background */
 	for(x=0; x<2; x++) {
 		
 		for(y=0; y<TBOXEL; y++) {
@@ -901,7 +890,7 @@ void drawtoolbox(void)
 		}
 	}
 
-	/* de text */
+	/* text */
 	for(x=0; x<2; x++) {
 		
 		for(y=0; y<TBOXEL; y++) {
@@ -935,7 +924,7 @@ void toolbox(void)
 	drawtoolbox();
 	
 	/* 
-	 *	De aktieve window wordt in queue terug gestopt.
+	 *	The active window will be put back in the queue.
 	 */
 
 	while(1) {
@@ -965,7 +954,7 @@ void toolbox(void)
 					}
 					break;
 				case ESCKEY:
-					/* altkeys: om conflicten met overdraw en stow/push/pop te voorkomen */
+					/* alt keys: to prevent conflicts with over-draw and stow/push/pop at sgis */
 #ifndef MAART
 /* Temporary for making screen dumps (Alt+PrtSc) */
 				case LEFTALTKEY:
@@ -981,7 +970,7 @@ void toolbox(void)
 		
 		tbox_getactive(&actx, &acty);
 		
-		/* muisafhandeling en redraw */
+		/* mouse handling and redraw */
 		if(xo!=actx || yo!=acty) {
 			if(actx==0) {
 				if (acty==0) addmode=0;
@@ -1077,7 +1066,7 @@ int saveover(char *file)
 	return (!BLI_exists(file) || confirm("SAVE OVER", file));
 }
 
-/* ****************** EXTRAATJE **************** */
+/* ****************** EXTRA STUFF **************** */
 
 short button(short *var, short min, short max, char *str)
 {
@@ -1276,7 +1265,7 @@ int do_clever_numbuts(char *name, int tot, int winevent)
 	sizex= 235;
 	sizey= 30+20*(tot+1);
 	
-	/* midden */
+	/* center */
 	if(mval[0]<sizex/2) mval[0]=sizex/2;
 	if(mval[1]<sizey/2) mval[1]=sizey/2;
 	if(mval[0]>G.curscreen->sizex -sizex/2) mval[0]= G.curscreen->sizex -sizex/2;
@@ -1290,8 +1279,8 @@ int do_clever_numbuts(char *name, int tot, int winevent)
 	block= uiNewBlock(&listb, "numbuts", UI_EMBOSSX, UI_HELV, G.curscreen->mainwin);
 	uiBlockSetFlag(block, UI_BLOCK_LOOP|UI_BLOCK_REDRAW|UI_BLOCK_RET_1|UI_BLOCK_ENTER_OK);
 	
-	/* LET OP: TEX BUTTON UITZONDERING */
-	/* WAARSCHUWING: ALLEEN EEN ENKELE BITJES-BUTTON MOGELIJK: ER WORDT OP KOPIEDATA GEWERKT! */
+	/* WATCH IT: TEX BUTTON EXCEPTION */
+	/* WARNING: ONLY A SINGLE BIT-BUTTON POSSIBLE: WE WORK AT COPIED DATA! */
 
 	uiDefBut(block, LABEL, 0, name,	(short)(x1+15), (short)(y2-35), (short)(sizex-60), 19, 0, 1.0, 0.0, 0, 0, ""); 
 
@@ -1363,7 +1352,7 @@ void add_numbut(int nr, int type, char *str, float min, float max, void *poin, c
 		strcpy(numbuts[nr].tip, "");
 	
 	
-	/* LET OP: TEX BUTTON UITZONDERING */
+	/*WATCH: TEX BUTTON EXCEPTION */
 	
 	numbpoin[nr]= poin;
 	
diff --git a/source/blender/src/usiblender.c b/source/blender/src/usiblender.c
index c892628e9c1..2b5f05c4be1 100644
--- a/source/blender/src/usiblender.c
+++ b/source/blender/src/usiblender.c
@@ -135,7 +135,7 @@ void BIF_read_file(char *name)
 	extern char datatoc_splash_jpg[];
 	extern int datatoc_splash_jpg_size;
 	char infostring[400];
-	//hier misschien?
+	//here?
 	//sound_end_all_sounds();
 
 	// first try to read exotic file formats...
@@ -152,7 +152,7 @@ void BIF_read_file(char *name)
 
 	sound_initialize_sounds();
 
-	winqueue_break= 1;	/* overal uit queue's gaan */
+	winqueue_break= 1;	/* leave queues everywhere */
 
 }
 
@@ -163,7 +163,7 @@ int BIF_read_homefile(void)
 	int success;
 
 	BLI_make_file_string(G.sce, tstr, home, ".B.blend");
-	strcpy(scestr, G.sce);	/* even bewaren */
+	strcpy(scestr, G.sce);	/* temporal store */
 	if (BLI_exists(tstr)) {
 		success = BKE_read_file(tstr, NULL);
 	} else {
@@ -177,9 +177,6 @@ int BIF_read_homefile(void)
 		/*  disable autoplay in .B.blend... */
 		G.fileflags &= ~G_FILE_AUTOPLAY;
 			
-		/* holobutton */
-		if (strcmp(G.scene->r.ftype, "*@&#")==0) G.special1= G_HOLO;
-		
 		if (BLI_streq(U.tempdir, "/")) {
 			char *tmp= getenv("TEMP");
 				
@@ -222,7 +219,7 @@ void BIF_read_autosavefile(void)
 	char tstr[FILE_MAXDIR+FILE_MAXFILE], scestr[FILE_MAXDIR];
 	int save_over;
 
-	strcpy(scestr, G.sce);	/* even bewaren */
+	strcpy(scestr, G.sce);	/* temporal store */
 	
 	get_autosave_location(tstr);
 
@@ -322,7 +319,7 @@ static void do_history(char *name)
 		hisnr--;
 	}
 		
-	/* lijkt dubbelop: maar deze is nodig als hisnr==1 */
+	/* is needed when hisnr==1 */
 	sprintf(tempname1, "%s%d", name, hisnr);
 	
 	if(BLI_rename(name, tempname1))
@@ -358,7 +355,7 @@ void BIF_write_file(char *target)
 	waitcursor(1);
 	
 	if(G.obedit) {
-		exit_editmode(0);	/* 0 = geen freedata */
+		exit_editmode(0);	/* 0 = no free data */
 	}
 	if (G.fileflags & G_AUTOPACK) {
 		packAll();
@@ -368,7 +365,7 @@ void BIF_write_file(char *target)
 		
 	if (BLO_write_file(di, G.fileflags, &err)) {
 		strcpy(G.sce, di);
-		strcpy(G.main->name, di);	/* is gegarandeerd current file */
+		strcpy(G.main->name, di);	/* is guarenteed current file */
 
 		G.save_over = 1;
 
@@ -441,8 +438,6 @@ static void initbuttons(void)
 	G.fonts= BMF_GetFont(BMF_kHelvetica10);
 	G.fontss= BMF_GetFont(BMF_kHelveticaBold8);
 
-	/* IKONEN INLADEN */
-	
 	clear_matcopybuf();
 }
 
@@ -450,13 +445,11 @@ void BIF_init(void)
 {
 	BKE_font_register_builtin(datatoc_Bfont, datatoc_Bfont_size);
 
-	initscreen();	/* voor (visuele) snelheid, dit eerst, dan setscreen */
+	initscreen();	/* for (visuele) speed, this first, then setscreen */
 	initbuttons();
 	init_draw_rects();	/* drawobject.c */
 	init_gl_stuff();	/* drawview.c */
 
-	/* if (I_AM_PUBLISHER) checkhome(); */
-
 	BIF_read_homefile(); 
 
 	readBlog();
@@ -492,14 +485,14 @@ void exit_usiblender(void)
 	free_editArmature();
 	free_posebuf();
 
-	free_blender();	/* blender.c, doet hele library */
+	free_blender();	/* blender.c, does entire library */
 	free_hashedgetab();
 	free_matcopybuf();
 	free_ipocopybuf();
 	freefastshade();
 	free_vertexpaint();
 	
-	/* editnurb kan blijven bestaan buiten editmode */
+	/* editnurb can remain to exist outside editmode */
 	freeNurblist(&editNurb);
 
 	fsmenu_free();
diff --git a/source/blender/src/view.c b/source/blender/src/view.c
index 75dbdccfff7..8f972aa4bda 100644
--- a/source/blender/src/view.c
+++ b/source/blender/src/view.c
@@ -87,7 +87,6 @@ void persp3d(View3D *v3d, int a)
 {
 	ScrArea *area= v3d->area;
 	
-		/* oppasen met optimaliseren: dan laatste mode in area bewaren */
 		/* only 3D windows */
 	if(a== 0) {
 		bwin_get_winmatrix(area->win, area->winmat);
@@ -126,7 +125,6 @@ void persp_general(int a)
 
 void persp(int a)
 {
-	/* oppasen met optimaliseren: dan laatste mode in area bewaren */
 	/* only 3D windows */
 
 	if(curarea->spacetype!=SPACE_VIEW3D) persp_general(a);
@@ -156,7 +154,7 @@ void initgrabz(float x, float y, float z)
 
 void window_to_3d(float *vec, short mx, short my)
 {
-	/* altijd initzgrab aanroepen */
+	/* always call initzgrab */
 	float dx, dy;
 	float fmx, fmy, winx, winy;
 	
@@ -176,7 +174,7 @@ void window_to_3d(float *vec, short mx, short my)
 	vec[2]= (G.vd->persinv[0][2]*dx + G.vd->persinv[1][2]*dy);
 }
 
-void project_short(float *vec, short *adr)	/* clipt */
+void project_short(float *vec, short *adr)	/* clips */
 {
 	float fx, fy, vec4[4];
 
@@ -228,7 +226,7 @@ void project_short_noclip(float *vec, short *adr)
 
 int boundbox_clip(float obmat[][4], BoundBox *bb)
 {
-	/* return 1: afbeelden */
+	/* return 1: draw */
 	
 	float mat[4][4];
 	float vec[4], min, max;
@@ -325,7 +323,7 @@ void sdrawbox(short x1, short y1, short x2, short y2)
 	glEnd();
 }
 
-/* trackball: deze is t.o.v. een 100% bol formule wel zo mooi */
+/* trackball: better one than a full spherical solution */
 
 void calctrackballvecfirst(rcti *area, short *mval, float *vec)
 {
@@ -333,7 +331,7 @@ void calctrackballvecfirst(rcti *area, short *mval, float *vec)
 	
 	radius= TRACKBALLSIZE;
 	
-	/* x en y normaliseren */
+	/* normalise x and y */
 	x= (area->xmax + area->xmin)/2 -mval[0];
 	x/= (float)((area->xmax - area->xmin)/2);
 	y= (area->ymax + area->ymin)/2 -mval[1];
@@ -350,7 +348,7 @@ void calctrackballvecfirst(rcti *area, short *mval, float *vec)
 
 	vec[0]= x;
 	vec[1]= y;
-	vec[2]= -z;		/* jawel! */
+	vec[2]= -z;		/* yah yah! */
 
 	if( fabs(vec[2])>fabs(vec[1]) && fabs(vec[2])>fabs(vec[0]) ) {
 		vec[0]= 0.0;
@@ -392,7 +390,7 @@ void calctrackballvec(rcti *area, short *mval, float *vec)
 
 	vec[0]= x;
 	vec[1]= y;
-	vec[2]= -z;		/* jawel! */
+	vec[2]= -z;		/* yah yah! */
 
 }
 
@@ -410,7 +408,7 @@ void viewmove(int mode)
 	initgrabz(-G.vd->ofs[0], -G.vd->ofs[1], -G.vd->ofs[2]);
 	
 	QUATCOPY(oldquat, G.vd->viewquat);
-	getmouseco_sc(mvalo);		/* werk met screencoordinaten ivm trackball functie */
+	getmouseco_sc(mvalo);		/* work with screen coordinates because of trackball function */
 	calctrackballvec(&curarea->winrct, mvalo, firstvec);
 
 	/* cumultime(0); */
@@ -422,9 +420,9 @@ void viewmove(int mode)
 			
 			if(firsttime) {
 				firsttime= 0;
-				/* wordt hier geroteerd, gezoomd of transleerd */
+				/* are we translating, rotating or zooming? */
 				if(mode==0) {
-					if(G.vd->view!=0) scrarea_queue_headredraw(curarea);	/* voor button */
+					if(G.vd->view!=0) scrarea_queue_headredraw(curarea);	/*for button */
 					G.vd->view= 0;
 				}
 						
@@ -436,7 +434,7 @@ void viewmove(int mode)
 			}
 
 
-			if(mode==0) {	/* viewroteer */
+			if(mode==0) {	/* view rotate */
 				
 				if(U.flag & TRACKBALL) {
 					calctrackballvec(&curarea->winrct, mval, newvec);
@@ -463,7 +461,7 @@ void viewmove(int mode)
 					}
 				}
 				else {
-					/* roteren om z-as (x beweging) en liggende as (y) */
+					/* roteren around z-axis (x moves) and horizontal axis (y) */
 					
 					phi= 2*(mval[0]-mvalo[0]);
 					phi/= (float)curarea->winx;
@@ -472,7 +470,7 @@ void viewmove(int mode)
 					q1[1]= q1[2]= 0.0;
 					q1[3]= si;
 					
-					/* liggende as */
+					/* horizontal axis */
 					VECCOPY(q2+1, G.vd->viewinv[0]);
 					Normalise(q2+1);
 					phi= (mvalo[1]-mval[1]);
@@ -507,11 +505,11 @@ void viewmove(int mode)
 			else if(mode==2) {
 				G.vd->dist*= 1.0+(float)(mvalo[0]-mval[0]+mvalo[1]-mval[1])/1000.0;
 				
-				/* deze limits ook in toets.c */
+				/* these limits are in toets.c too */
 				if(G.vd->dist<0.001*G.vd->grid) G.vd->dist= 0.001*G.vd->grid;
 				if(G.vd->dist>10.0*G.vd->far) G.vd->dist=10.0*G.vd->far;
 				
-				mval[1]= mvalo[1]; /* blijft ie zoomen */
+				mval[1]= mvalo[1]; /* keeps zooming that way */
 				mval[0]= mvalo[0];
 			}
 			
@@ -526,7 +524,7 @@ void viewmove(int mode)
 		}
 		else BIF_wait_for_statechange();
 
-		/* dit moet onderaan, anders pakt de get_mbut het niet op de PC... */
+		/* this in the end, otherwise get_mbut does not work on a PC... */
 		if( !(get_mbut() & (L_MOUSE|M_MOUSE))) break;
 	}
 
@@ -535,7 +533,7 @@ void viewmove(int mode)
 
 short v3d_windowmode=0;
 
-void setwinmatrixview3d(rctf *rect)		/* rect: voor picking */
+void setwinmatrixview3d(rctf *rect)		/* rect: for picking */
 {
 	Camera *cam=0;
 	float d, near, far, winx = 0.0, winy = 0.0;
@@ -613,7 +611,7 @@ void setwinmatrixview3d(rctf *rect)		/* rect: voor picking */
 		
 		if(G.vd->persp==2 && (G.special1 & G_HOLO)) {
 			if(cam && (cam->flag & CAM_HOLO2)) {
-				tfac= fac/4.0;	/* de fac is 1280/640 gecorr voor obszoom */
+				tfac= fac/4.0;	/* the fac is 1280/640 corrected for obszoom */
 
 				if(cam->netend==0.0) cam->netend= EFRA;
 				fac= (G.scene->r.cfra-1.0)/(cam->netend)-0.5;
@@ -676,7 +674,7 @@ void obmat_to_viewmat(Object *ob)
 	Mat4Ortho(bmat);
 	Mat4Invert(G.vd->viewmat, bmat);
 	
-	/* viewquat berekenen, o.a. voor add object */
+	/* view quat calculation, needed for add object */
 	Mat3CpyMat4(tmat, G.vd->viewmat);
 	Mat3ToQuat(tmat, G.vd->viewquat);
 }
@@ -685,7 +683,6 @@ void obmat_to_viewmat(Object *ob)
 void setviewmatrixview3d()
 {
 	Camera *cam;
-/*  	float bepaalphitheta(); */
 
 	if(G.special1 & G_HOLO) RE_holoview();
 
@@ -745,7 +742,7 @@ short selectprojektie(unsigned int *buffer, short x1, short y1, short x2, short
 
 	glSelectBuffer( MAXPICKBUF, buffer);
 	glRenderMode(GL_SELECT);
-	glInitNames();	/* deze twee fies zijn waarvoor? Anders werkt het niet */
+	glInitNames();	/* these two calls whatfor? It doesnt work otherwise */
 	glPushName(-1);
 	code= 1;
 	
@@ -767,7 +764,7 @@ short selectprojektie(unsigned int *buffer, short x1, short y1, short x2, short
 			base= base->next;
 		}
 	}
-	glPopName();	/* zie boven (pushname) */
+	glPopName();	/* see above (pushname) */
 	hits= glRenderMode(GL_RENDER);
 	if(hits<0) error("Too many objects in selectbuf");
 
@@ -797,8 +794,8 @@ unsigned int free_localbit()
 	
 	lay= 0;
 	
-	/* soms kunnen we een localview kwijtrijaken: als een area gesloten wordt */
-	/* alle area's aflopen: welke localviews zijn in gebruik */
+	/* sometimes we loose a localview: when an area is closed */
+	/* check all areas: which localviews are in use? */
 	sc= G.main->screen.first;
 	while(sc) {
 		sa= sc->areabase.first;
@@ -901,7 +898,7 @@ void initlocalview()
 		scrarea_queue_winredraw(curarea);
 	}
 	else {
-		/* flags wissen */
+		/* clear flags */
 		base= FIRSTBASE;
 		while(base) {
 			if( base->lay & locallay ) {
@@ -918,7 +915,7 @@ void initlocalview()
 	}
 }
 
-void centreview()	/* localview zonder local! */
+void centreview()	/* like a localview without local! */
 {
 	Base *base;
 	float size, min[3], max[3], afm[3];
@@ -1011,7 +1008,7 @@ void endlocalview(ScrArea *sa)
 		v3d->localvd= 0;
 		v3d->localview= 0;
 
-		/* als in ander window de layers zijn veranderd */
+		/* for when in other window the layers have changed */
 		if(v3d->scenelock) v3d->lay= G.scene->lay;
 		
 		base= FIRSTBASE;
@@ -1026,7 +1023,7 @@ void endlocalview(ScrArea *sa)
 		}
 
 		countall();
-		allqueue(REDRAWVIEW3D, 0);	/* ivm select */
+		allqueue(REDRAWVIEW3D, 0);	/* because of select */
 		
 	}
 }
diff --git a/source/blender/src/vpaint.c b/source/blender/src/vpaint.c
index 94b3585c6af..c3de918ab00 100644
--- a/source/blender/src/vpaint.c
+++ b/source/blender/src/vpaint.c
@@ -110,8 +110,8 @@ MDeformVert *wpaintundobuf=NULL;
 /* Function prototypes */
 int calc_vp_alpha_dl(DispList *disp, MVert *mvert, int vert, short *mval);
 
-/* in tegenstelling tot cpack teken kleuren, zijn de MCOL kleuren (vpaint kleuren) per byte! 
-   en dus endian ongevoelig. Mcol = ABGR!!! Oppassen met cpack functies */
+/* in contradiction to cpack drawing colors, the MCOL colors (vpaint colors) are per byte! 
+   so not endian sensitive. Mcol = ABGR!!! so be cautious with cpack calls */
 
 unsigned int rgba_to_mcol(float r, float g, float b, float a)
 {
@@ -145,8 +145,8 @@ unsigned int vpaint_get_current_col(void)
 
 void do_shared_vertexcol(Mesh *me)
 {
-	/* als geen mcol: niet doen */
-	/* als tface: alleen de betreffende vlakken, anders alles */
+	/* if no mcol: do not do */
+	/* if tface: only the involved faces, otherwise all */
 	MFace *mface;
 	TFace *tface;
 	int a;
@@ -559,7 +559,7 @@ static unsigned int mcol_mul(unsigned int col1, unsigned int col2, int fac)
 	cp2= (char *)&col2;
 	cp=  (char *)&col;
 	
-	/* eerstmullen, dan fac blenden */
+	/* first mul, then blend the fac */
 	cp[0]= 255;
 	cp[1]= (mfac*cp1[1] + fac*((cp2[1]*cp1[1])>>8)  )>>8;
 	cp[2]= (mfac*cp1[2] + fac*((cp2[2]*cp1[2])>>8)  )>>8;
@@ -789,12 +789,12 @@ void weight_paint(void)
 
 //	if(me->tface==NULL && me->mcol==NULL) return;
 	
-	/* imat voor normalen */
+	/* imat for normals */
 	Mat4MulMat4(mat, ob->obmat, G.vd->viewmat);
 	Mat4Invert(imat, mat);
 	Mat3CpyMat4(vpimat, imat);
 	
-	/* projektiematrix laden */
+	/* load projection matrix */
 	mymultmatrix(ob->obmat);
 	mygetsingmatrix(mat);
 	myloadmatrix(G.vd->viewmat);
@@ -819,7 +819,7 @@ void weight_paint(void)
 
 			firsttime= 0;
 
-			/* welke vlakken doen mee */
+			/* which faces are involved */
 			if(Gvp.flag & VP_AREA) {
 				totindex= sample_backbuf_area(mval[0], mval[1]);
 			}
@@ -914,7 +914,7 @@ void weight_paint(void)
 		me->mcol= 0;
 	}
 	
-	/* cirkel wissen */
+	/* clear circle */
 	draw_sel_circle(0, mvalo, 0, Gvp.size, 1);
 	
 	makeDispList(ob);
@@ -948,12 +948,12 @@ void vertex_paint()
 
 	if(me->tface==NULL && me->mcol==NULL) return;
 	
-	/* imat voor normalen */
+	/* imat for normals */
 	Mat4MulMat4(mat, ob->obmat, G.vd->viewmat);
 	Mat4Invert(imat, mat);
 	Mat3CpyMat4(vpimat, imat);
 	
-	/* projektiematrix laden */
+	/* load projection matrix */
 	mymultmatrix(ob->obmat);
 	mygetsingmatrix(mat);
 	myloadmatrix(G.vd->viewmat);
@@ -979,7 +979,7 @@ void vertex_paint()
 
 			firsttime= 0;
 
-			/* welke vlakken doen mee */
+			/* which faces are involved */
 			if(Gvp.flag & VP_AREA) {
 				totindex= sample_backbuf_area(mval[0], mval[1]);
 			}
@@ -1087,7 +1087,7 @@ void vertex_paint()
 		me->mcol= 0;
 	}
 	
-	/* cirkel wissen */
+	/* clear circle */
 	draw_sel_circle(0, mvalo, 0, Gvp.size, 1);
 	
 	allqueue(REDRAWVIEW3D, 0);
@@ -1121,7 +1121,7 @@ void set_wpaint(void)		/* toggle */
 		setcursor_space(SPACE_VIEW3D, CURSOR_VPAINT);
 	}
 	else {
-		freefastshade();	/* voor zekerheid */
+		freefastshade();	/* to be sure */
 		if (ob)
 			makeDispList(ob);
 		if(!(G.f & G_FACESELECT))
@@ -1165,7 +1165,7 @@ void set_vpaint(void)		/* toggle */
 		setcursor_space(SPACE_VIEW3D, CURSOR_VPAINT);
 	}
 	else {
-		freefastshade();	/* voor zekerheid */
+		freefastshade();	/* to be sure */
 		if (ob) makeDispList(ob);
 		if((G.f & G_FACESELECT)==0) setcursor_space(SPACE_VIEW3D, CURSOR_STD);
 	}