code cleanup: spelling,

also initialize bmesh-bevel settings struct to zero to avoid possible uninitialized memory later.

27 files changed, 75 insertions, 60 deletions

diff --git a/GNUmakefile b/GNUmakefile
index f8207787cbe..8876b1db33d 100644
--- a/GNUmakefile
+++ b/GNUmakefile
@@ -173,14 +173,15 @@ help:
 	@echo "  * test_style_osl_qtc - checks OpenShadingLanguage conforms with blenders style guide: http://wiki.blender.org/index.php/Dev:Doc/CodeStyle"
 	@echo ""
 	@echo "Static Source Code Checking (not associated with building blender)"
-	@echo "  * check_cppcheck     - run blender source through cppcheck (C & C++)"
-	@echo "  * check_clang_array  - run blender source through clang array checking script (C & C++)"
-	@echo "  * check_splint       - run blenders source through splint (C only)"
-	@echo "  * check_sparse       - run blenders source through sparse (C only)"
-	@echo "  * check_smatch       - run blenders source through smatch (C only)"
-	@echo "  * check_spelling_c   - check for spelling errors (OSL only)"
-	@echo "  * check_spelling_osl - check for spelling errors (C/C++ only)"
-	@echo "  * check_spelling_py  - check for spelling errors (Python only)"
+	@echo "  * check_cppcheck       - run blender source through cppcheck (C & C++)"
+	@echo "  * check_clang_array    - run blender source through clang array checking script (C & C++)"
+	@echo "  * check_splint         - run blenders source through splint (C only)"
+	@echo "  * check_sparse         - run blenders source through sparse (C only)"
+	@echo "  * check_smatch         - run blenders source through smatch (C only)"
+	@echo "  * check_spelling_c     - check for spelling errors (OSL only)"
+	@echo "  * check_spelling_c_qtc - same as check_spelling_c but outputs QtCreator tasks format"
+	@echo "  * check_spelling_osl   - check for spelling errors (C/C++ only)"
+	@echo "  * check_spelling_py    - check for spelling errors (Python only)"
 	@echo ""
 	@echo "Utilities (not associated with building blender)"
 	@echo "  * tbz      - create a compressed svn export 'blender_archive.tar.bz2'"
@@ -270,29 +271,41 @@ project_eclipse:
 
 check_cppcheck:
 	$(CMAKE_CONFIG)
-	cd $(BUILD_DIR) ; python3 $(BLENDER_DIR)/build_files/cmake/cmake_static_check_cppcheck.py
+	cd $(BUILD_DIR) ; \
+	python3 $(BLENDER_DIR)/build_files/cmake/cmake_static_check_cppcheck.py
 
 check_clang_array:
 	$(CMAKE_CONFIG)
-	cd $(BUILD_DIR) ; python3 $(BLENDER_DIR)/build_files/cmake/cmake_static_check_clang_array.py
+	cd $(BUILD_DIR) ; \
+	python3 $(BLENDER_DIR)/build_files/cmake/cmake_static_check_clang_array.py
 
 check_splint:
 	$(CMAKE_CONFIG)
-	cd $(BUILD_DIR) ; python3 $(BLENDER_DIR)/build_files/cmake/cmake_static_check_splint.py
+	cd $(BUILD_DIR) ; \
+	python3 $(BLENDER_DIR)/build_files/cmake/cmake_static_check_splint.py
 
 check_sparse:
 	$(CMAKE_CONFIG)
-	cd $(BUILD_DIR) ; python3 $(BLENDER_DIR)/build_files/cmake/cmake_static_check_sparse.py
+	cd $(BUILD_DIR) ; \
+	python3 $(BLENDER_DIR)/build_files/cmake/cmake_static_check_sparse.py
 
 check_smatch:
 	$(CMAKE_CONFIG)
-	cd $(BUILD_DIR) ; python3 $(BLENDER_DIR)/build_files/cmake/cmake_static_check_smatch.py
+	cd $(BUILD_DIR) ; \
+	python3 $(BLENDER_DIR)/build_files/cmake/cmake_static_check_smatch.py
 
 check_spelling_py:
-	cd $(BUILD_DIR) ; PYTHONIOENCODING=utf_8 python3 $(BLENDER_DIR)/source/tools/spell_check_source.py $(BLENDER_DIR)/release/scripts
+	cd $(BUILD_DIR) ; \
+	PYTHONIOENCODING=utf_8 python3 $(BLENDER_DIR)/source/tools/spell_check_source.py $(BLENDER_DIR)/release/scripts
 
 check_spelling_c:
-	cd $(BUILD_DIR) ; PYTHONIOENCODING=utf_8 python3 $(BLENDER_DIR)/source/tools/spell_check_source.py $(BLENDER_DIR)/source
+	cd $(BUILD_DIR) ; \
+	PYTHONIOENCODING=utf_8 python3 $(BLENDER_DIR)/source/tools/spell_check_source.py $(BLENDER_DIR)/source
+
+check_spelling_c_qtc:
+	cd $(BUILD_DIR) ; USE_QTC_TASK=1 \
+	PYTHONIOENCODING=utf_8 python3 $(BLENDER_DIR)/source/tools/spell_check_source.py $(BLENDER_DIR)/source > \
+	$(BLENDER_DIR)/check_spelling_c.tasks
 
 check_spelling_osl:
 	cd $(BUILD_DIR) ; PYTHONIOENCODING=utf_8 python3 $(BLENDER_DIR)/source/tools/spell_check_source.py $(BLENDER_DIR)/intern/cycles/kernel/osl
diff --git a/intern/audaspace/intern/AUD_FileWriter.h b/intern/audaspace/intern/AUD_FileWriter.h
index da52c7e0fb2..3291c1ad03a 100644
--- a/intern/audaspace/intern/AUD_FileWriter.h
+++ b/intern/audaspace/intern/AUD_FileWriter.h
@@ -64,8 +64,8 @@ public:
 	 * Writes a reader to a writer.
 	 * \param reader The reader to read from.
 	 * \param writer The writer to write to.
-	 * \param length How many samples should be transfered.
-	 * \param buffersize How many samples should be transfered at once.
+	 * \param length How many samples should be transferred.
+	 * \param buffersize How many samples should be transferred at once.
 	 */
 	static void writeReader(boost::shared_ptr<AUD_IReader> reader, boost::shared_ptr<AUD_IWriter> writer, unsigned int length, unsigned int buffersize);
 
@@ -73,8 +73,8 @@ public:
 	 * Writes a reader to several writers.
 	 * \param reader The reader to read from.
 	 * \param writers The writers to write to.
-	 * \param length How many samples should be transfered.
-	 * \param buffersize How many samples should be transfered at once.
+	 * \param length How many samples should be transferred.
+	 * \param buffersize How many samples should be transferred at once.
 	 */
 	static void writeReader(boost::shared_ptr<AUD_IReader> reader, std::vector<boost::shared_ptr<AUD_IWriter> >& writers, unsigned int length, unsigned int buffersize);
 };
diff --git a/intern/memutil/MEM_SmartPtr.h b/intern/memutil/MEM_SmartPtr.h
index 09cf5c95854..dd19aae9db9 100644
--- a/intern/memutil/MEM_SmartPtr.h
+++ b/intern/memutil/MEM_SmartPtr.h
@@ -170,7 +170,7 @@ public :
 	}
 
 	/** 
-	 * Assignment operator - ownership is transfered from rhs to lhs. 
+	 * Assignment operator - ownership is transferred from rhs to lhs.
 	 * There is an intenional side-effect of function of transferring
 	 * ownership from the const parameter rhs. This is to insure 
 	 * the 1-1 relationship.
diff --git a/source/blender/blenkernel/BKE_sequencer.h b/source/blender/blenkernel/BKE_sequencer.h
index ba611817c8f..88294cb30b6 100644
--- a/source/blender/blenkernel/BKE_sequencer.h
+++ b/source/blender/blenkernel/BKE_sequencer.h
@@ -248,7 +248,7 @@ void BKE_sequencer_cache_cleanup(void);
 struct ImBuf *BKE_sequencer_cache_get(SeqRenderData context, struct Sequence *seq, float cfra, seq_stripelem_ibuf_t type);
 
 /* passed ImBuf is properly refed, so ownership is *not* 
- * transfered to the cache.
+ * transferred to the cache.
  * you can pass the same ImBuf multiple times to the cache without problems.
  */
 
diff --git a/source/blender/bmesh/intern/bmesh_core.c b/source/blender/bmesh/intern/bmesh_core.c
index c0c550b0def..c427734f58d 100644
--- a/source/blender/bmesh/intern/bmesh_core.c
+++ b/source/blender/bmesh/intern/bmesh_core.c
@@ -1821,7 +1821,7 @@ int BM_vert_splice(BMesh *bm, BMVert *v, BMVert *v_target)
 
 	/* we can't modify the vert while iterating so first allocate an array of loops */
 	loops = BM_iter_as_arrayN(bm, BM_LOOPS_OF_VERT, v, &loops_tot,
-	                          (void **)loops_stack, BM_DEFAULT_ITER_STACK_SIZE);
+	                          loops_stack, BM_DEFAULT_ITER_STACK_SIZE);
 
 	if (LIKELY(loops != NULL)) {
 		for (i = 0; i < loops_tot; i++) {
diff --git a/source/blender/bmesh/intern/bmesh_iterators.c b/source/blender/bmesh/intern/bmesh_iterators.c
index 51a3776c21d..c3f33eb95e1 100644
--- a/source/blender/bmesh/intern/bmesh_iterators.c
+++ b/source/blender/bmesh/intern/bmesh_iterators.c
@@ -117,7 +117,7 @@ int BM_iter_as_array(BMesh *bm, const char itype, void *data, void **array, cons
  * Caller needs to free the array.
  */
 void *BM_iter_as_arrayN(BMesh *bm, const char itype, void *data, int *r_len,
-                        /* optional static vars to avoid an alloc */
+                        /* optional args to avoid an alloc (normally stack array) */
                         void **stack_array, int stack_array_size)
 {
 	BMIter iter;
diff --git a/source/blender/bmesh/operators/bmo_bevel.c b/source/blender/bmesh/operators/bmo_bevel.c
index e18920fc98e..0b95cc03d1e 100644
--- a/source/blender/bmesh/operators/bmo_bevel.c
+++ b/source/blender/bmesh/operators/bmo_bevel.c
@@ -1094,9 +1094,13 @@ static void bevel_vert_construct(BMesh *bm, BevelParams *bp, BMOperator *op, BMV
 	int nsel = 0;
 
 	/* Gather input selected edges.
-	 * Only bevel selected edges that have exactly two incident faces. */
+	 * Only bevel selected edges that have exactly two incident faces.
+	 *
+	 * TODO, optimization - we could tag edges in 'geom'
+	 * and then just iterate edges-of-vert, checking tags.
+	 */
 	BMO_ITER (bme, &siter, bm, op, "geom", BM_EDGE) {
-		if ((bme->v1 == v) || (BM_edge_other_vert(bme, bme->v1) == v)) {
+		if (BM_vert_in_edge(bme, v)) {
 			if (BM_edge_is_manifold(bme)) {
 				BMO_elem_flag_enable(bm, bme, EDGE_SELECTED);
 				nsel++;
@@ -1310,12 +1314,12 @@ static void bevel_build_edge_polygons(BMesh *bm, BevelParams *bp, BMEdge *bme)
 
 	BLI_assert(e1 && e2);
 
-	/*	v4                       v3
-	 *       \                      /
-	 *        e->v1 - e->v2
-	 *       /                      \
-	 *      v1                       v2 */
-
+	/*   v4             v3
+	 *    \            /
+	 *     e->v1 - e->v2
+	 *    /            \
+	 *   v1             v2
+	 */
 	nseg = e1->seg;
 	BLI_assert(nseg > 0 && nseg == e2->seg);
 
@@ -1380,15 +1384,13 @@ void bmo_bevel_exec(BMesh *bm, BMOperator *op)
 	BMOIter siter;
 	BMVert *v;
 	BMEdge *e;
-	BevelParams bp;
+	BevelParams bp = {{NULL}};
 
 	bp.offset = BMO_slot_float_get(op, "offset");
 	bp.op = op;
 	bp.seg = BMO_slot_int_get(op, "segments");
 
 	if (bp.offset > 0) {
-		bp.vertList.first = bp.vertList.last = NULL;
-
 		/* The analysis of the input vertices and execution additional constructions */
 		BMO_ITER (v, &siter, bm, op, "geom", BM_VERT) {
 			bevel_vert_construct(bm, &bp, op, v);
diff --git a/source/blender/bmesh/operators/bmo_subdivide.c b/source/blender/bmesh/operators/bmo_subdivide.c
index f6b9b18d716..b2f6761b1bc 100644
--- a/source/blender/bmesh/operators/bmo_subdivide.c
+++ b/source/blender/bmesh/operators/bmo_subdivide.c
@@ -165,7 +165,7 @@ static void alter_co(BMesh *bm, BMVert *v, BMEdge *UNUSED(origed), const SubDPar
 	}
 
 	/* apply the new difference to the rest of the shape keys,
-	 * note that this doent take rotations into account, we _could_ support
+	 * note that this dosn't take rotations into account, we _could_ support
 	 * this by getting the normals and coords for each shape key and
 	 * re-calculate the smooth value for each but this is quite involved.
 	 * for now its ok to simply apply the difference IMHO - campbell */
diff --git a/source/blender/collada/AnimationImporter.cpp b/source/blender/collada/AnimationImporter.cpp
index 374f6385ea7..44e74e320cc 100644
--- a/source/blender/collada/AnimationImporter.cpp
+++ b/source/blender/collada/AnimationImporter.cpp
@@ -844,7 +844,7 @@ void AnimationImporter::apply_matrix_curves(Object *ob, std::vector<FCurve *>& a
  * This function returns the aspet ration from the Collada camera.
  *
  * Note:COLLADA allows to specify either XFov, or YFov alone. 
- * In tghat case the aspect ratio can be determined from 
+ * In that case the aspect ratio can be determined from
  * the viewport aspect ratio (which is 1:1 ?)
  * XXX: check this: its probably wrong!
  * If both values are specified, then the aspect ration is simply xfov/yfov
diff --git a/source/blender/compositor/operations/COM_PixelateOperation.h b/source/blender/compositor/operations/COM_PixelateOperation.h
index b16b21b2ec1..83603a59331 100644
--- a/source/blender/compositor/operations/COM_PixelateOperation.h
+++ b/source/blender/compositor/operations/COM_PixelateOperation.h
@@ -35,7 +35,7 @@
 class PixelateOperation : public NodeOperation {
 private:
 	/**
-	 * @brief cached refeerence to the input operation
+	 * @brief cached reference to the input operation
 	 */
 	SocketReader *m_inputOperation;
 public:
diff --git a/source/blender/editors/interface/interface_intern.h b/source/blender/editors/interface/interface_intern.h
index 540a9cc752b..23d3810e058 100644
--- a/source/blender/editors/interface/interface_intern.h
+++ b/source/blender/editors/interface/interface_intern.h
@@ -358,7 +358,7 @@ struct uiBlock {
 
 	char color_profile;         /* color profile for correcting linear colors for display */
 
-	char *display_device;       /* display devide name used to display this block,
+	char *display_device;       /* display device name used to display this block,
 	                             * used by color widgets to transform colors from/to scene linear
 	                             */
 };
diff --git a/source/blender/editors/mesh/editmesh_bvh.c b/source/blender/editors/mesh/editmesh_bvh.c
index 468d0d8d8c6..4324e50f914 100644
--- a/source/blender/editors/mesh/editmesh_bvh.c
+++ b/source/blender/editors/mesh/editmesh_bvh.c
@@ -157,13 +157,13 @@ BMBVHTree *BMBVH_NewBVH(BMEditMesh *em, int flag, Scene *scene, Object *obedit)
 
 
 		if (flag & BMBVH_RESPECT_SELECT) {
-			/* note, the arrays wont allign now! take care */
+			/* note, the arrays wont align now! take care */
 			if (!BM_elem_flag_test(em->looptris[i][0]->f, BM_ELEM_SELECT)) {
 				continue;
 			}
 		}
 		else if (flag & BMBVH_RESPECT_HIDDEN) {
-			/* note, the arrays wont allign now! take care */
+			/* note, the arrays wont align now! take care */
 			if (BM_elem_flag_test(em->looptris[i][0]->f, BM_ELEM_HIDDEN)) {
 				continue;
 			}
diff --git a/source/blender/editors/space_buttons/buttons_texture.c b/source/blender/editors/space_buttons/buttons_texture.c
index 0e82d8651f3..abfefba02b9 100644
--- a/source/blender/editors/space_buttons/buttons_texture.c
+++ b/source/blender/editors/space_buttons/buttons_texture.c
@@ -248,7 +248,7 @@ static void buttons_texture_users_from_context(ListBase *users, const bContext *
 
 void buttons_texture_context_compute(const bContext *C, SpaceButs *sbuts)
 {
-	/* gatheravailable texture users in context. runs on every draw of
+	/* gather available texture users in context. runs on every draw of
 	 * properties editor, before the buttons are created. */
 	ButsContextTexture *ct = sbuts->texuser;
 	Scene *scene = CTX_data_scene(C);
diff --git a/source/blender/editors/space_clip/clip_draw.c b/source/blender/editors/space_clip/clip_draw.c
index 02716c20588..d523d598925 100644
--- a/source/blender/editors/space_clip/clip_draw.c
+++ b/source/blender/editors/space_clip/clip_draw.c
@@ -1497,7 +1497,7 @@ void clip_draw_grease_pencil(bContext *C, int onlyv2d)
 
 	if (onlyv2d) {
 		/* if manual calibration is used then grease pencil data is already
-		 * drawed in draw_distortion */
+		 * drawn in draw_distortion */
 		if ((sc->flag & SC_MANUAL_CALIBRATION) == 0 || sc->mode != SC_MODE_DISTORTION) {
 			glPushMatrix();
 			glMultMatrixf(sc->unistabmat);
diff --git a/source/blender/editors/space_sequencer/sequencer_edit.c b/source/blender/editors/space_sequencer/sequencer_edit.c
index 7270516aa51..00d4a943626 100644
--- a/source/blender/editors/space_sequencer/sequencer_edit.c
+++ b/source/blender/editors/space_sequencer/sequencer_edit.c
@@ -1686,7 +1686,7 @@ static int sequencer_delete_invoke(bContext *C, wmOperator *op, wmEvent *event)
 
 	if (ar->regiontype == RGN_TYPE_WINDOW) {
 		/* bounding box of 30 pixels is used for markers shortcuts,
-		 * prevent conflict with markers shortcurts here
+		 * prevent conflict with markers shortcuts here
 		 */
 		if (event->mval[1] <= 30)
 			return OPERATOR_PASS_THROUGH;
diff --git a/source/blender/imbuf/intern/colormanagement.c b/source/blender/imbuf/intern/colormanagement.c
index b9774a9f7b0..3fd31f9a58c 100644
--- a/source/blender/imbuf/intern/colormanagement.c
+++ b/source/blender/imbuf/intern/colormanagement.c
@@ -164,7 +164,7 @@ typedef struct ColormanageProcessor {
  *       but they holds indexes of all transformations and color spaces, not
  *       their names.
  *
- *       This helps avoid extra colorsmace / display / view lookup without
+ *       This helps avoid extra colorspace / display / view lookup without
  *       requiring to pass all variables which affects on display buffer
  *       to color management cache system and keeps calls small and nice.
  */
diff --git a/source/blender/imbuf/intern/jp2.c b/source/blender/imbuf/intern/jp2.c
index d94f6368298..3a2bf99c75c 100644
--- a/source/blender/imbuf/intern/jp2.c
+++ b/source/blender/imbuf/intern/jp2.c
@@ -387,8 +387,8 @@ BLI_INLINE int DOWNSAMPLE_FLOAT_TO_16BIT(const float _val)
 /*
  * 2048x1080 (2K) at 24 fps or 48 fps, or 4096x2160 (4K) at 24 fps; 3x12 bits per pixel, XYZ color space
  *
- * - In 2K, for Scope (2.39:1) presentation 2048x858 pixels of the imager is used
- * - In 2K, for Flat (1.85:1) presentation 1998x1080 pixels of the imager is used
+ * - In 2K, for Scope (2.39:1) presentation 2048x858  pixels of the image is used
+ * - In 2K, for Flat  (1.85:1) presentation 1998x1080 pixels of the image is used
  */
 
 /* ****************************** COPIED FROM image_to_j2k.c */
diff --git a/source/blender/imbuf/intern/openexr/openexr_api.cpp b/source/blender/imbuf/intern/openexr/openexr_api.cpp
index 60c6e184070..1f35a0f5f89 100644
--- a/source/blender/imbuf/intern/openexr/openexr_api.cpp
+++ b/source/blender/imbuf/intern/openexr/openexr_api.cpp
@@ -1183,7 +1183,7 @@ struct ImBuf *imb_load_openexr(unsigned char *mem, size_t size, int flags, char
 					frameBuffer.insert(exr_rgba_channelname(file, "B"),
 					                   Slice(Imf::FLOAT,  (char *) (first + 2), xstride, ystride));
 
-					/* 1.0 is fill value, this still neesd to be assigned even when (is_alpha == 0) */
+					/* 1.0 is fill value, this still needs to be assigned even when (is_alpha == 0) */
 					frameBuffer.insert(exr_rgba_channelname(file, "A"),
 					                   Slice(Imf::FLOAT,  (char *) (first + 3), xstride, ystride, 1, 1, 1.0f));
 
diff --git a/source/blender/makesdna/DNA_tracking_types.h b/source/blender/makesdna/DNA_tracking_types.h
index 9c80d30bca4..12819303b26 100644
--- a/source/blender/makesdna/DNA_tracking_types.h
+++ b/source/blender/makesdna/DNA_tracking_types.h
@@ -163,7 +163,7 @@ typedef struct MovieTrackingSettings {
 
 	/* ** reconstruction settings ** */
 	int keyframe1 DNA_DEPRECATED,
-		keyframe2 DNA_DEPRECATED;   /* two keyframes for reconstrution initialization
+		keyframe2 DNA_DEPRECATED;   /* two keyframes for reconstruction initialization
 		                             * were moved to per-tracking object settings
 		                             */
 
@@ -228,7 +228,7 @@ typedef struct MovieTrackingObject {
 	MovieTrackingReconstruction reconstruction; /* reconstruction data for this object */
 
 	/* reconstruction options */
-	int keyframe1, keyframe2;   /* two keyframes for reconstrution initialization */
+	int keyframe1, keyframe2;   /* two keyframes for reconstruction initialization */
 } MovieTrackingObject;
 
 typedef struct MovieTrackingStats {
diff --git a/source/blender/makesrna/intern/rna_wm.c b/source/blender/makesrna/intern/rna_wm.c
index e5f44644f7a..f83410e7cc1 100644
--- a/source/blender/makesrna/intern/rna_wm.c
+++ b/source/blender/makesrna/intern/rna_wm.c
@@ -555,7 +555,7 @@ static void rna_Window_screen_set(PointerRNA *ptr, PointerRNA value)
 	if (value.data == NULL)
 		return;
 
-	/* exception: can't set screens inside of area/region handers */
+	/* exception: can't set screens inside of area/region handlers */
 	win->newscreen = value.data;
 }
 
@@ -563,8 +563,8 @@ static void rna_Window_screen_update(bContext *C, PointerRNA *ptr)
 {
 	wmWindow *win = (wmWindow *)ptr->data;
 
-	/* exception: can't set screens inside of area/region handers, and must
-	 * use context so notifier gets to the right window */
+	/* exception: can't set screens inside of area/region handlers,
+	 * and must use context so notifier gets to the right window */
 	if (win->newscreen) {
 		WM_event_add_notifier(C, NC_SCREEN | ND_SCREENBROWSE, win->newscreen);
 		win->newscreen = NULL;
diff --git a/source/blender/python/mathutils/mathutils_Vector.c b/source/blender/python/mathutils/mathutils_Vector.c
index 19be2b6a62e..e98af997507 100644
--- a/source/blender/python/mathutils/mathutils_Vector.c
+++ b/source/blender/python/mathutils/mathutils_Vector.c
@@ -2784,7 +2784,7 @@ static struct PyMethodDef Vector_methods[] = {
 /* Note
  * Py_TPFLAGS_CHECKTYPES allows us to avoid casting all types to Vector when coercing
  * but this means for eg that
- * (vec * mat) and (mat * vec) both get sent to Vector_mul and it neesd to sort out the order
+ * (vec * mat) and (mat * vec) both get sent to Vector_mul and it needs to sort out the order
  */
 
 PyDoc_STRVAR(vector_doc,
diff --git a/source/blender/render/intern/raytrace/rayobject_internal.h b/source/blender/render/intern/raytrace/rayobject_internal.h
index 92ac39909a8..aa8ab8c3da4 100644
--- a/source/blender/render/intern/raytrace/rayobject_internal.h
+++ b/source/blender/render/intern/raytrace/rayobject_internal.h
@@ -92,7 +92,7 @@ int RE_rayobjectcontrol_test_break(RayObjectControl *c);
  *               eg.: on render code)
  *
  *  0 means it's reserved and has it own meaning inside each ray acceleration structure
- *  (this way each structure can use the allign offset to determine if a node represents a
+ *  (this way each structure can use the align offset to determine if a node represents a
  *   RayObject primitive, which can be used to save memory)
  */
 
diff --git a/source/blender/render/intern/raytrace/rayobject_octree.cpp b/source/blender/render/intern/raytrace/rayobject_octree.cpp
index 77e9dc9d8fd..afb8fe6c3b5 100644
--- a/source/blender/render/intern/raytrace/rayobject_octree.cpp
+++ b/source/blender/render/intern/raytrace/rayobject_octree.cpp
@@ -1026,7 +1026,7 @@ static int RE_rayobject_octree_intersect(RayObject *tree, Isect *is)
 
 			labdao = ddalabda;
 			
-			/* traversing ocree nodes need careful detection of smallest values, with proper
+			/* traversing octree nodes need careful detection of smallest values, with proper
 			 * exceptions for equal labdas */
 			eqval = (labdax == labday);
 			if (labday == labdaz) eqval += 2;
diff --git a/source/blender/render/intern/raytrace/rayobject_rtbuild.cpp b/source/blender/render/intern/raytrace/rayobject_rtbuild.cpp
index bae65c492f4..4195b103811 100644
--- a/source/blender/render/intern/raytrace/rayobject_rtbuild.cpp
+++ b/source/blender/render/intern/raytrace/rayobject_rtbuild.cpp
@@ -435,7 +435,7 @@ int rtbuild_heuristic_object_split(RTBuilder *b, int nchilds)
 /*
  * Helper code
  * PARTITION code / used on mean-split
- * basicly this a std::nth_element (like on C++ STL algorithm)
+ * basically this a std::nth_element (like on C++ STL algorithm)
  */
 #if 0
 static void split_leafs(RTBuilder *b, int *nth, int partitions, int split_axis)
diff --git a/source/blender/render/intern/source/sunsky.c b/source/blender/render/intern/source/sunsky.c
index e4a42fcd675..e812b99287c 100644
--- a/source/blender/render/intern/source/sunsky.c
+++ b/source/blender/render/intern/source/sunsky.c
@@ -118,8 +118,8 @@ static void DirectionToThetaPhi(float *toSun, float *theta, float *phi)
 
 /**
  * PerezFunction:
- * compute perez function value based on input paramters
- * */
+ * compute perez function value based on input parameters
+ */
 static float PerezFunction(struct SunSky *sunsky, const float *lam, float theta, float gamma, float lvz)
 {
 	float den, num;
diff --git a/source/blender/windowmanager/intern/wm_keymap.c b/source/blender/windowmanager/intern/wm_keymap.c
index 7aa2b403897..024b6017699 100644
--- a/source/blender/windowmanager/intern/wm_keymap.c
+++ b/source/blender/windowmanager/intern/wm_keymap.c
@@ -545,7 +545,7 @@ static wmKeyMap *wm_keymap_patch_update(ListBase *lb, wmKeyMap *defaultmap, wmKe
 
 	/* copy new keymap from an existing one */
 	if (usermap && !(usermap->flag & KEYMAP_DIFF)) {
-		/* for compatibiltiy with old user preferences with non-diff
+		/* for compatibility with old user preferences with non-diff
 		 * keymaps we override the original entirely */
 		wmKeyMapItem *kmi, *orig_kmi;
 
diff --git a/source/blender/windowmanager/intern/wm_operators.c b/source/blender/windowmanager/intern/wm_operators.c
index 054e48f0bfb..f25603ff622 100644
--- a/source/blender/windowmanager/intern/wm_operators.c
+++ b/source/blender/windowmanager/intern/wm_operators.c
@@ -624,7 +624,7 @@ void WM_operator_properties_sanitize(PointerRNA *ptr, const short no_context)
 /** set all props to their default,
  * \param do_update Only update un-initialized props.
  *
- * \note, theres nothing spesific to operators here.
+ * \note, theres nothing specific to operators here.
  * this could be made a general function.
  */
 int WM_operator_properties_default(PointerRNA *ptr, const int do_update)