Cleanup: spelling

38 files changed, 44 insertions, 45 deletions

diff --git a/source/blender/blenkernel/intern/DerivedMesh.c b/source/blender/blenkernel/intern/DerivedMesh.c
index d13786facce..c48e5cf488b 100644
--- a/source/blender/blenkernel/intern/DerivedMesh.c
+++ b/source/blender/blenkernel/intern/DerivedMesh.c
@@ -2536,7 +2536,7 @@ static void editbmesh_calc_modifiers(
 #ifdef WITH_OPENSUBDIV
 /* The idea is to skip CPU-side ORCO calculation when
  * we'll be using GPU backend of OpenSubdiv. This is so
- * playback performance is kept as high as posssible.
+ * playback performance is kept as high as possible.
  */
 static bool calc_modifiers_skip_orco(const Object *ob)
 {
diff --git a/source/blender/blenkernel/intern/mesh_evaluate.c b/source/blender/blenkernel/intern/mesh_evaluate.c
index e8c71079519..6f32fa23bbc 100644
--- a/source/blender/blenkernel/intern/mesh_evaluate.c
+++ b/source/blender/blenkernel/intern/mesh_evaluate.c
@@ -1560,7 +1560,7 @@ void BKE_mesh_normals_loop_custom_from_vertices_set(
  * Computes average per-vertex normals from given custom loop normals.
  *
  * @param clnors The computed custom loop normals.
- * @param r_vert_clnors The (already allocated) array wher to store averaged per-vertex normals.
+ * @param r_vert_clnors The (already allocated) array where to store averaged per-vertex normals.
  */
 void BKE_mesh_normals_loop_to_vertex(
         const int numVerts, const MLoop *mloops, const int numLoops,
diff --git a/source/blender/blenkernel/intern/mesh_remap.c b/source/blender/blenkernel/intern/mesh_remap.c
index 993921c22e0..c3b88b84b8b 100644
--- a/source/blender/blenkernel/intern/mesh_remap.c
+++ b/source/blender/blenkernel/intern/mesh_remap.c
@@ -237,7 +237,7 @@ static void mesh_calc_eigen_matrix(
 
 		/* Protect against 1D/2D degenerated cases! */
 		/* Note: not sure why we need square root of eigen values here (which are equivalent to singular values,
-		 * as far as I have understood), but it seems to heavily reduce (if not completly nullify)
+		 * as far as I have understood), but it seems to heavily reduce (if not completely nullify)
 		 * the error due to non-uniform scalings... */
 		evi = (evi < 1e-6f && evi > -1e-6f) ? ((evi < 0.0f) ? -1e-3f : 1e-3f) : sqrtf_signed(evi);
 		mul_v3_fl(eigen_vec[i], evi);
diff --git a/source/blender/blenkernel/intern/scene.c b/source/blender/blenkernel/intern/scene.c
index f114856e175..f9ca66b443c 100644
--- a/source/blender/blenkernel/intern/scene.c
+++ b/source/blender/blenkernel/intern/scene.c
@@ -1360,7 +1360,7 @@ static void scene_do_rb_simulation_recursive(Scene *scene, float ctime)
  *
  * Ideally Mballs shouldn't do such an iteration and use DAG
  * queries instead. For the time being we've got new DAG
- * let's keep it simple and update mballs in a ingle thread.
+ * let's keep it simple and update mballs in a single thread.
  */
 #define MBALL_SINGLETHREAD_HACK
 
diff --git a/source/blender/blenkernel/intern/softbody.c b/source/blender/blenkernel/intern/softbody.c
index b03c99c7a45..dac395645c9 100644
--- a/source/blender/blenkernel/intern/softbody.c
+++ b/source/blender/blenkernel/intern/softbody.c
@@ -1993,7 +1993,7 @@ static int _softbody_calc_forces_slice_in_a_thread(Scene *scene, Object *ob, flo
 				compare = (obp->colball + bp->colball);
 				sub_v3_v3v3(def, bp->pos, obp->pos);
 				/* rather check the AABBoxes before ever calulating the real distance */
-				/* mathematically it is completly nuts, but performance is pretty much (3) times faster */
+				/* mathematically it is completely nuts, but performance is pretty much (3) times faster */
 				if ((ABS(def[0]) > compare) || (ABS(def[1]) > compare) || (ABS(def[2]) > compare)) continue;
 				distance = normalize_v3(def);
 				if (distance < compare ) {
@@ -2361,7 +2361,7 @@ static void softbody_calc_forces(Scene *scene, Object *ob, float forcetime, floa
 					sub_v3_v3v3(def, bp->pos, obp->pos);
 
 					/* rather check the AABBoxes before ever calulating the real distance */
-					/* mathematically it is completly nuts, but performance is pretty much (3) times faster */
+					/* mathematically it is completely nuts, but performance is pretty much (3) times faster */
 					if ((ABS(def[0]) > compare) || (ABS(def[1]) > compare) || (ABS(def[2]) > compare)) continue;
 
 					distance = normalize_v3(def);
diff --git a/source/blender/blenkernel/intern/subsurf_ccg.c b/source/blender/blenkernel/intern/subsurf_ccg.c
index 5192a51934a..064eaced6e9 100644
--- a/source/blender/blenkernel/intern/subsurf_ccg.c
+++ b/source/blender/blenkernel/intern/subsurf_ccg.c
@@ -796,7 +796,7 @@ static void ss_sync_from_derivedmesh(CCGSubSurf *ss,
 {
 #ifdef WITH_OPENSUBDIV
 	/* Reset all related descriptors if actual mesh topology changed or if
-	 * other evlauation-related settings changed.
+	 * other evaluation-related settings changed.
 	 */
 	if (!ccgSubSurf_needGrids(ss)) {
 		/* TODO(sergey): Use vertex coordinates and flat subdiv flag. */
@@ -4803,7 +4803,7 @@ struct DerivedMesh *subsurf_make_derived_from_derived(
 				 *
 				 * TODO(sergey): There was a good eason why final calculation
 				 * used to free entirely cached subsurf structure. reason of
-				 * this is to be investiated still to be sure we don't have
+				 * this is to be investigated still to be sure we don't have
 				 * regressions here.
 				 */
 				if (use_gpu_backend) {
diff --git a/source/blender/blenkernel/intern/writeffmpeg.c b/source/blender/blenkernel/intern/writeffmpeg.c
index 0668e7f95e2..edda852a032 100644
--- a/source/blender/blenkernel/intern/writeffmpeg.c
+++ b/source/blender/blenkernel/intern/writeffmpeg.c
@@ -746,7 +746,7 @@ static AVStream *alloc_audio_stream(FFMpegContext *context, RenderData *rd, int
 	av_dict_free(&opts);
 
 	/* need to prevent floating point exception when using vorbis audio codec,
-	 * initialize this value in the same way as it's done in FFmpeg iteslf (sergey) */
+	 * initialize this value in the same way as it's done in FFmpeg itself (sergey) */
 	st->codec->time_base.num = 1;
 	st->codec->time_base.den = st->codec->sample_rate;
 
diff --git a/source/blender/blenlib/intern/BLI_ghash.c b/source/blender/blenlib/intern/BLI_ghash.c
index 91ac0ce1c43..7e6dabdffef 100644
--- a/source/blender/blenlib/intern/BLI_ghash.c
+++ b/source/blender/blenlib/intern/BLI_ghash.c
@@ -653,7 +653,7 @@ GHash *BLI_ghash_copy(GHash *gh, GHashKeyCopyFP keycopyfp, GHashValCopyFP valcop
 }
 
 /**
- * Reverve given ammount of entries (resize \a gh accordingly if needed).
+ * Reserve given amount of entries (resize \a gh accordingly if needed).
  */
 void BLI_ghash_reserve(GHash *gh, const unsigned int nentries_reserve)
 {
diff --git a/source/blender/blenlib/intern/array_utils.c b/source/blender/blenlib/intern/array_utils.c
index 65c653c9b4f..cef912e42a3 100644
--- a/source/blender/blenlib/intern/array_utils.c
+++ b/source/blender/blenlib/intern/array_utils.c
@@ -90,7 +90,7 @@ void _bli_array_wrap(void *arr_v, unsigned int arr_len, size_t arr_stride, int d
 
 /**
  *In-place array permute.
- * (re-arrange elemrnts based on an array of indices).
+ * (re-arrange elements based on an array of indices).
  *
  * Access via #BLI_array_wrap
  */
diff --git a/source/blender/blenlib/intern/math_color_blend_inline.c b/source/blender/blenlib/intern/math_color_blend_inline.c
index 73a7259ddcd..88be86aa1c2 100644
--- a/source/blender/blenlib/intern/math_color_blend_inline.c
+++ b/source/blender/blenlib/intern/math_color_blend_inline.c
@@ -36,7 +36,7 @@
 #ifndef __MATH_COLOR_BLEND_INLINE_C__
 #define __MATH_COLOR_BLEND_INLINE_C__
 
-/* don't add any saturation to a completly black and white image */
+/* don't add any saturation to a completely black and white image */
 #define EPS_SATURATION 0.0005f
 #define EPS_ALPHA 0.0005f
 
diff --git a/source/blender/blenlib/intern/math_statistics.c b/source/blender/blenlib/intern/math_statistics.c
index 3f1bae5f58c..a8cb8e2c40d 100644
--- a/source/blender/blenlib/intern/math_statistics.c
+++ b/source/blender/blenlib/intern/math_statistics.c
@@ -39,7 +39,7 @@
 /**
  * \brief Compute the covariance matrix of given set of nD coordinates.
  *
- * \param n the dimension of the vectors (and hence, of the covairance matrix to compute).
+ * \param n the dimension of the vectors (and hence, of the covariance matrix to compute).
  * \param cos_vn the nD points to compute covariance from.
  * \param nbr_cos_vn the number of nD coordinates in cos_vn.
  * \param center the center (or mean point) of cos_vn. If NULL, it is assumed cos_vn is already centered.
diff --git a/source/blender/blenlib/intern/noise.c b/source/blender/blenlib/intern/noise.c
index 5febf720b30..4b2ad834d75 100644
--- a/source/blender/blenlib/intern/noise.c
+++ b/source/blender/blenlib/intern/noise.c
@@ -1546,7 +1546,7 @@ float BLI_gTurbulence(float noisesize, float x, float y, float z, int oct, int h
 
 /*
  * The following code is based on Ken Musgrave's explanations and sample
- * source code in the book "Texturing and Modelling: A procedural approach"
+ * source code in the book "Texturing and Modeling: A procedural approach"
  */
 
 /*
diff --git a/source/blender/blenlib/intern/string.c b/source/blender/blenlib/intern/string.c
index 6cc00fc60ee..e93d2b7507a 100644
--- a/source/blender/blenlib/intern/string.c
+++ b/source/blender/blenlib/intern/string.c
@@ -756,7 +756,7 @@ void BLI_str_toupper_ascii(char *str, const size_t len)
  *
  * \param str
  * \param pad
- * \return The number of zeto's stripped.
+ * \return The number of zeros stripped.
  */
 int BLI_str_rstrip_float_zero(char *str, const char pad)
 {
diff --git a/source/blender/blenloader/intern/writefile.c b/source/blender/blenloader/intern/writefile.c
index 6f7157e1a56..47ca7731877 100644
--- a/source/blender/blenloader/intern/writefile.c
+++ b/source/blender/blenloader/intern/writefile.c
@@ -2079,7 +2079,7 @@ static void write_meshes(WriteData *wd, ListBase *idbase)
 
 				/* now fill in polys to mfaces */
 				/* XXX This breaks writing desing, by using temp allocated memory, which will likely generate
-				 *     doublons in stored 'old' addresses.
+				 *     duplicates in stored 'old' addresses.
 				 *     This is very bad, but do not see easy way to avoid this, aside from generating those data
 				 *     outside of save process itself.
 				 *     Maybe we can live with this, though?
diff --git a/source/blender/blentranslation/intern/blt_lang.c b/source/blender/blentranslation/intern/blt_lang.c
index cd4545275ee..1ad62fa5869 100644
--- a/source/blender/blentranslation/intern/blt_lang.c
+++ b/source/blender/blentranslation/intern/blt_lang.c
@@ -97,7 +97,7 @@ static void fill_locales(void)
 	BLI_join_dirfile(languages, FILE_MAX, languages_path, "languages");
 	line = lines = BLI_file_read_as_lines(languages);
 
-	/* This whole "parsing" code is a bit weak, in that it expects strictly formated input file...
+	/* This whole "parsing" code is a bit weak, in that it expects strictly formatted input file...
 	 * Should not be a problem, though, as this file is script-generated! */
 
 	/* First loop to find highest locale ID */
diff --git a/source/blender/bmesh/intern/bmesh_core.c b/source/blender/bmesh/intern/bmesh_core.c
index b8f7b3f6b45..e67aa1da340 100644
--- a/source/blender/bmesh/intern/bmesh_core.c
+++ b/source/blender/bmesh/intern/bmesh_core.c
@@ -2016,7 +2016,7 @@ bool BM_vert_splice_check_double(BMVert *v_a, BMVert *v_b)
  *
  * \return Success
  *
- * \warning This does't work for collapsing edges,
+ * \warning This doesn't work for collapsing edges,
  * where \a v and \a vtarget are connected by an edge
  * (assert checks for this case).
  */
diff --git a/source/blender/bmesh/operators/bmo_extrude.c b/source/blender/bmesh/operators/bmo_extrude.c
index 435b9e60949..4449f223f35 100644
--- a/source/blender/bmesh/operators/bmo_extrude.c
+++ b/source/blender/bmesh/operators/bmo_extrude.c
@@ -137,7 +137,7 @@ void bmo_extrude_discrete_faces_exec(BMesh *bm, BMOperator *op)
  * This function won't crash if its not but won't work right either.
  * \a e_b is the new edge.
  *
- * \note The edge this face comes from needs to be from the first and second verts fo the face.
+ * \note The edge this face comes from needs to be from the first and second verts to the face.
  * The caller must ensure this else we will copy from the wrong source.
  */
 static void bm_extrude_copy_face_loop_attributes(BMesh *bm, BMFace *f)
diff --git a/source/blender/bmesh/operators/bmo_planar_faces.c b/source/blender/bmesh/operators/bmo_planar_faces.c
index 8849e498bc0..2856d3d18a6 100644
--- a/source/blender/bmesh/operators/bmo_planar_faces.c
+++ b/source/blender/bmesh/operators/bmo_planar_faces.c
@@ -21,7 +21,7 @@
 /** \file blender/bmesh/operators/bmo_planar_faces.c
  *  \ingroup bmesh
  *
- * Iternatively flatten 4+ sided faces.
+ * Iteratively flatten 4+ sided faces.
  */
 
 #include "MEM_guardedalloc.h"
diff --git a/source/blender/bmesh/tools/bmesh_bevel.c b/source/blender/bmesh/tools/bmesh_bevel.c
index cb1c856c05d..5a7788c0b62 100644
--- a/source/blender/bmesh/tools/bmesh_bevel.c
+++ b/source/blender/bmesh/tools/bmesh_bevel.c
@@ -348,7 +348,7 @@ static EdgeHalf *next_bev(BevVert *bv, EdgeHalf *from_e)
 /* Return a good representative face (for materials, etc.) for faces
  * created around/near BoundVert v.
  * Sometimes care about a second choice, if there is one.
- * If r_fother paramenter is non-NULL and there is another, different,
+ * If r_fother parameter is non-NULL and there is another, different,
  * possible frep, return the other one in that parameter. */
 static BMFace *boundvert_rep_face(BoundVert *v, BMFace **r_fother)
 {
diff --git a/source/blender/editors/armature/armature_utils.c b/source/blender/editors/armature/armature_utils.c
index 4fe79b39176..635297c088a 100644
--- a/source/blender/editors/armature/armature_utils.c
+++ b/source/blender/editors/armature/armature_utils.c
@@ -481,7 +481,7 @@ EditBone *make_boneList(ListBase *edbo, ListBase *bones, EditBone *parent, Bone
  *     - sets local head/tail rest locations using parent bone's arm_mat.
  *     - calls BKE_armature_where_is_bone() which uses parent's transform (arm_mat) to define this bone's transform.
  *     - fixes (converts) EditBone roll into Bone roll.
- *     - calls again BKE_armature_where_is_bone(), since roll fidling may have changed things for our bone...
+ *     - calls again BKE_armature_where_is_bone(), since roll fiddling may have changed things for our bone...
  * Note that order is crucial here, we can only handle child if all its parents in chain have already been handled
  * (this is ensured by recursive process). */
 static void armature_finalize_restpose(ListBase *bonelist, ListBase *editbonelist)
@@ -618,7 +618,7 @@ void ED_armature_from_edit(bArmature *arm)
 	}
 	
 	/* Fix parenting in a separate pass to ensure ebone->bone connections are valid at this point.
-	 * Do not set bone->head/tail here anymore, using EditBone data for that is not OK since our later fidling
+	 * Do not set bone->head/tail here anymore, using EditBone data for that is not OK since our later fiddling
 	 * with parent's arm_mat (for roll conversion) may have some small but visible impact on locations (T46010). */
 	for (eBone = arm->edbo->first; eBone; eBone = eBone->next) {
 		newBone = eBone->temp.bone;
diff --git a/source/blender/editors/mesh/editmesh_select.c b/source/blender/editors/mesh/editmesh_select.c
index eac5e3fece0..112edef5120 100644
--- a/source/blender/editors/mesh/editmesh_select.c
+++ b/source/blender/editors/mesh/editmesh_select.c
@@ -2013,7 +2013,7 @@ void EDBM_selectmode_set(BMEditMesh *em)
 
 /**
  * Expand & Contract the Selection
- * (used when chaning modes and Ctrl key held)
+ * (used when changing modes and Ctrl key held)
  *
  * Flush the selection up:
  * - vert -> edge
diff --git a/source/blender/editors/object/object_vgroup.c b/source/blender/editors/object/object_vgroup.c
index d7de3db5e5d..352c90e805a 100644
--- a/source/blender/editors/object/object_vgroup.c
+++ b/source/blender/editors/object/object_vgroup.c
@@ -246,7 +246,7 @@ bool ED_vgroup_parray_alloc(ID *id, MDeformVert ***dvert_arr, int *dvert_tot, co
 
 /**
  * For use with tools that use ED_vgroup_parray_alloc with \a use_vert_sel == true.
- * This finds the unselected mirror deform verts and copys the weights to them from the selected.
+ * This finds the unselected mirror deform verts and copies the weights to them from the selected.
  *
  * \note \a dvert_array has mirrored weights filled in, incase cleanup operations are needed on both.
  */
diff --git a/source/blender/editors/screen/screen_ops.c b/source/blender/editors/screen/screen_ops.c
index 5019010cc58..4a1c1e34414 100644
--- a/source/blender/editors/screen/screen_ops.c
+++ b/source/blender/editors/screen/screen_ops.c
@@ -2356,7 +2356,7 @@ static void SCREEN_OT_marker_jump(wmOperatorType *ot)
 static bool screen_set_is_ok(bScreen *screen, bScreen *screen_prev)
 {
 	return ((screen->winid == 0) &&
-	        /* in typical useage these should have a nonzero winid
+	        /* in typical usage these should have a nonzero winid
 	         * (all temp screens should be used, or closed & freed). */
 	        (screen->temp == false) &&
 	        (screen->state == SCREENNORMAL) &&
diff --git a/source/blender/editors/sculpt_paint/paint_image_proj.c b/source/blender/editors/sculpt_paint/paint_image_proj.c
index 7108b2bda6f..f1489f2fd10 100644
--- a/source/blender/editors/sculpt_paint/paint_image_proj.c
+++ b/source/blender/editors/sculpt_paint/paint_image_proj.c
@@ -1269,7 +1269,7 @@ static void screen_px_to_vector_persp(
 }
 
 /**
- * Special function to return the factor fo a point along a line in pixel space.
+ * Special function to return the factor to a point along a line in pixel space.
  *
  * This is needed since we can't use #line_point_factor_v2 for perspective screen-space coords.
  *
@@ -5413,7 +5413,7 @@ static int texture_paint_image_from_view_exec(bContext *C, wmOperator *op)
 	IMB_freeImBuf(ibuf);
 
 	if (image) {
-		/* now for the trickyness. store the view projection here!
+		/* now for the trickiness. store the view projection here!
 		 * re-projection will reuse this */
 		View3D *v3d = CTX_wm_view3d(C);
 		RegionView3D *rv3d = CTX_wm_region_view3d(C);
diff --git a/source/blender/editors/sculpt_paint/paint_vertex.c b/source/blender/editors/sculpt_paint/paint_vertex.c
index 2a1b324be02..8daad9deea9 100644
--- a/source/blender/editors/sculpt_paint/paint_vertex.c
+++ b/source/blender/editors/sculpt_paint/paint_vertex.c
@@ -2675,7 +2675,7 @@ static bool vpaint_stroke_test_start(bContext *C, struct wmOperator *op, const f
 	                   brush->mtex.tex;
 
 	/* are we painting onto a modified mesh?,
-	 * if not we can skip face map trickyness */
+	 * if not we can skip face map trickiness */
 	if (vertex_paint_use_fast_update_check(ob)) {
 		vpd->use_fast_update = true;
 /*		printf("Fast update!\n");*/
diff --git a/source/blender/editors/space_file/filelist.c b/source/blender/editors/space_file/filelist.c
index 0c652587ad1..a4fe7952c36 100644
--- a/source/blender/editors/space_file/filelist.c
+++ b/source/blender/editors/space_file/filelist.c
@@ -2162,11 +2162,10 @@ static unsigned int groupname_to_filter_id(const char *group)
 	return BKE_idcode_to_idfilter(id_code);
 }
 
-/*
- * From here, we are in 'Job Context', i.e. have to be careful about sharing stuff between bacground working thread
+/**
+ * From here, we are in 'Job Context', i.e. have to be careful about sharing stuff between background working thread
  * and main one (used by UI among other things).
  */
-
 typedef struct TodoDir {
 	int level;
 	char *dir;
diff --git a/source/blender/editors/space_node/node_relationships.c b/source/blender/editors/space_node/node_relationships.c
index d31d1687e5e..76e424f9eca 100644
--- a/source/blender/editors/space_node/node_relationships.c
+++ b/source/blender/editors/space_node/node_relationships.c
@@ -1436,7 +1436,7 @@ static void node_parent_offset_apply(NodeInsertOfsData *data, bNode *parent, con
 #define NODE_INSOFS_ANIM_DURATION 0.25f
 
 /**
- * Callback that applies NodeInsertOfsData.offset_x to a node or its parent, similiar
+ * Callback that applies NodeInsertOfsData.offset_x to a node or its parent, similar
  * to node_link_insert_offset_output_chain_cb below, but with slightly different logic
  */
 static bool node_link_insert_offset_frame_chain_cb(
diff --git a/source/blender/editors/space_view3d/view3d_view.c b/source/blender/editors/space_view3d/view3d_view.c
index 49ac3881fab..0f05f4e52dd 100644
--- a/source/blender/editors/space_view3d/view3d_view.c
+++ b/source/blender/editors/space_view3d/view3d_view.c
@@ -1785,7 +1785,7 @@ float ED_view3d_radius_to_dist(
 			lens = params.lens;
 			sensor_size = BKE_camera_sensor_size(params.sensor_fit, params.sensor_x, params.sensor_y);
 
-			/* ignore 'rv3d->camzoom' because we wan't to fit to the cameras frame */
+			/* ignore 'rv3d->camzoom' because we want to fit to the cameras frame */
 			zoom = CAMERA_PARAM_ZOOM_INIT_CAMOB;
 		}
 		else {
diff --git a/source/blender/editors/transform/transform_generics.c b/source/blender/editors/transform/transform_generics.c
index 1693fcb78d6..dc541c6da42 100644
--- a/source/blender/editors/transform/transform_generics.c
+++ b/source/blender/editors/transform/transform_generics.c
@@ -1831,7 +1831,7 @@ void calculateCenter(TransInfo *t)
 		/* zfac is only used convertViewVec only in cases operator was invoked in RGN_TYPE_WINDOW
 		 * and never used in other cases.
 		 *
-		 * We need special case here as well, since ED_view3d_calc_zfac will crahs when called
+		 * We need special case here as well, since ED_view3d_calc_zfac will crash when called
 		 * for a region different from RGN_TYPE_WINDOW.
 		 */
 		if (t->ar->regiontype == RGN_TYPE_WINDOW) {
diff --git a/source/blender/editors/transform/transform_snap.c b/source/blender/editors/transform/transform_snap.c
index 2eacb6c7c2e..867e862017f 100644
--- a/source/blender/editors/transform/transform_snap.c
+++ b/source/blender/editors/transform/transform_snap.c
@@ -1854,7 +1854,7 @@ static bool snapObject(Scene *scene, short snap_mode, ARegion *ar, Object *ob, f
 			do_bb = false;
 		}
 		else {
-			/* in this case we wan't the mesh from the editmesh, avoids stale data. see: T45978.
+			/* in this case we want the mesh from the editmesh, avoids stale data. see: T45978.
 			 * still set the 'em' to NULL, since we only want the 'dm'. */
 			em = BKE_editmesh_from_object(ob);
 			if (em) {
diff --git a/source/blender/freestyle/intern/geometry/GeomUtils.h b/source/blender/freestyle/intern/geometry/GeomUtils.h
index 64aa6379e80..5a5d0809083 100644
--- a/source/blender/freestyle/intern/geometry/GeomUtils.h
+++ b/source/blender/freestyle/intern/geometry/GeomUtils.h
@@ -200,7 +200,7 @@ void fromWorldToCamera(const Vec3r& p, Vec3r& q, const real model_view_matrix[4]
 void fromCameraToRetina(const Vec3r& p, Vec3r& q, const real projection_matrix[4][4]);
 
 /*! From retina to image.
- *  Returns the coordinates expressed in Image coorinates system.
+ *  Returns the coordinates expressed in Image coordinates system.
  *  p
  *    point's coordinates expressed in retina system
  *  q
diff --git a/source/blender/freestyle/intern/winged_edge/WEdge.h b/source/blender/freestyle/intern/winged_edge/WEdge.h
index f610f6965aa..8001342775b 100644
--- a/source/blender/freestyle/intern/winged_edge/WEdge.h
+++ b/source/blender/freestyle/intern/winged_edge/WEdge.h
@@ -989,7 +989,7 @@ public:
 	}
 
 	/*! For triangles, returns the edge opposite to the vertex in e.
-	 *  returns flase if the face is not a triangle or if the vertex is not found
+	 *  returns false if the face is not a triangle or if the vertex is not found
 	 */
 	bool getOppositeEdge (const WVertex *v, WOEdge *&e);
 
diff --git a/source/blender/gpu/intern/gpu_extensions.c b/source/blender/gpu/intern/gpu_extensions.c
index 74488e5928e..a6a34296ca2 100644
--- a/source/blender/gpu/intern/gpu_extensions.c
+++ b/source/blender/gpu/intern/gpu_extensions.c
@@ -1685,8 +1685,8 @@ GPUShader *GPU_shader_create(const char *vertexcode, const char *fragcode, const
 {
 #ifdef WITH_OPENSUBDIV
 	/* TODO(sergey): used to add #version 150 to the geometry shader.
-	 * Could safely be renamed to "use_geometry_code" since it's evry much
-	 * liely any of geometry code will want to use GLSL 1.5.
+	 * Could safely be renamed to "use_geometry_code" since it's very
+	 * likely any of geometry code will want to use GLSL 1.5.
 	 */
 	bool use_opensubdiv = geocode != NULL;
 #else
diff --git a/source/blender/makesrna/intern/rna_nodetree.c b/source/blender/makesrna/intern/rna_nodetree.c
index 51e611418aa..8894e071a3b 100644
--- a/source/blender/makesrna/intern/rna_nodetree.c
+++ b/source/blender/makesrna/intern/rna_nodetree.c
@@ -3011,7 +3011,7 @@ static int point_density_color_source_from_shader(NodeShaderTexPointDensity *sha
 	}
 }
 
-/* TODO(sergey): This functio nassumes allocated array was passed,
+/* TODO(sergey): This function assumes allocated array was passed,
  * works fine with Cycles via C++ RNA, but fails with call from python.
  */
 void rna_ShaderNodePointDensity_density_calc(bNode *self, Scene *scene, int *length, float **values)
diff --git a/source/blender/python/bmesh/bmesh_py_ops_call.c b/source/blender/python/bmesh/bmesh_py_ops_call.c
index a4c057acac2..1dc70c3d288 100644
--- a/source/blender/python/bmesh/bmesh_py_ops_call.c
+++ b/source/blender/python/bmesh/bmesh_py_ops_call.c
@@ -27,7 +27,7 @@
  *  \ingroup pybmesh
  *
  * This file provides __call__ aka BPy_BMO_call for
- * the bmesh operatorand has been given its own file
+ * the bmesh operator and has been given its own file
  * because argument conversion is involved.
  */
 
diff --git a/source/blender/python/mathutils/mathutils.c b/source/blender/python/mathutils/mathutils.c
index 16d8d6477a5..635090869ea 100644
--- a/source/blender/python/mathutils/mathutils.c
+++ b/source/blender/python/mathutils/mathutils.c
@@ -355,7 +355,7 @@ int mathutils_any_to_rotmat(float rmat[3][3], PyObject *value, const char *error
 /* XXX We may want to use 'safer' BLI's compare_ff_relative ultimately?
  *     LomontRRDCompare4() is an optimized version of Dawson's AlmostEqual2sComplement() (see [1] and [2]).
  *     Dawson himself now claims this is not a 'safe' thing to do (pushing ULP method beyond its limits),
- *     an recommands using work from [3] instead, which is done in BLI func...
+ *     an recommends using work from [3] instead, which is done in BLI func...
  *
  *     [1] http://www.randydillon.org/Papers/2007/everfast.htm
  *     [2] http://www.cygnus-software.com/papers/comparingfloats/comparingfloats.htm
diff --git a/source/creator/creator.c b/source/creator/creator.c
index ef52b39cc33..9d4d57b4134 100644
--- a/source/creator/creator.c
+++ b/source/creator/creator.c
@@ -1557,7 +1557,7 @@ static void setupArguments(bContext *C, bArgs *ba, SYS_SystemHandle *syshandle)
 	BLI_argsAdd(ba, 1, NULL, "--debug-jobs",  "\n\tEnable time profiling for background jobs.", debug_mode_generic, (void *)G_DEBUG_JOBS);
 	BLI_argsAdd(ba, 1, NULL, "--debug-gpu",  "\n\tEnable gpu debug context and information for OpenGL 4.3+.", debug_mode_generic, (void *)G_DEBUG_GPU);
 	BLI_argsAdd(ba, 1, NULL, "--debug-depsgraph", "\n\tEnable debug messages from dependency graph", debug_mode_generic, (void *)G_DEBUG_DEPSGRAPH);
-	BLI_argsAdd(ba, 1, NULL, "--debug-depsgraph-no-threads", "\n\tSwitch dependency graph to a single threaded evlauation", debug_mode_generic, (void *)G_DEBUG_DEPSGRAPH_NO_THREADS);
+	BLI_argsAdd(ba, 1, NULL, "--debug-depsgraph-no-threads", "\n\tSwitch dependency graph to a single threaded evaluation", debug_mode_generic, (void *)G_DEBUG_DEPSGRAPH_NO_THREADS);
 	BLI_argsAdd(ba, 1, NULL, "--debug-gpumem", "\n\tEnable GPU memory stats in status bar", debug_mode_generic, (void *)G_DEBUG_GPU_MEM);
 
 	BLI_argsAdd(ba, 1, NULL, "--enable-new-depsgraph", "\n\tUse new dependency graph", depsgraph_use_new, NULL);
diff --git a/source/gameengine/Expressions/intern/PyObjectPlus.cpp b/source/gameengine/Expressions/intern/PyObjectPlus.cpp
index 3df175668ad..de45bee76a7 100644
--- a/source/gameengine/Expressions/intern/PyObjectPlus.cpp
+++ b/source/gameengine/Expressions/intern/PyObjectPlus.cpp
@@ -80,7 +80,7 @@ void PyObjectPlus::ProcessReplica()
 }
 
 /* Sometimes we might want to manually invalidate a BGE type even if
- * it hasnt been released by the BGE, say for example when an object
+ * it hasn't been released by the BGE, say for example when an object
  * is removed from a scene, accessing it may cause problems.
  *
  * In this case the current proxy is made invalid, disowned,