Cleanup: spelling

source/blender/blenlib/intern/math_statistics.c

@@ -54,7 +54,7 @@ static void covariance_m_vn_ex_task_cb(
 
 	int k;
 
-	/* Covariance matrices are always symetrical, so we can compute only one half of it,
+	/* Covariance matrices are always symmetrical, so we can compute only one half of it,
 	 * and mirror it to the other half (at the end of the func).
 	 *
 	 * This allows using a flat loop of n*n with same results as imbricated one over half the matrix:

source/blender/blenlib/intern/task.c

@@ -728,7 +728,7 @@ TaskPool *BLI_task_pool_create_background(TaskScheduler *scheduler, void *userda
 
 /**
  * Similar to BLI_task_pool_create() but does not schedule any tasks for execution
- * for until BLI_task_pool_work_and_wait() is called. This helps reducing therading
+ * for until BLI_task_pool_work_and_wait() is called. This helps reducing threading
  * overhead when pushing huge amount of small initial tasks from the main thread.
  */
 TaskPool *BLI_task_pool_create_suspended(TaskScheduler *scheduler, void *userdata)

source/blender/editors/gizmo_library/gizmo_types/cage2d_gizmo.c

@@ -846,7 +846,7 @@ static int gizmo_cage2d_modal(
 		return OPERATOR_RUNNING_MODAL;
 	}
 	/* For transform logic to be manageable we operate in -0.5..0.5 2D space,
-	 * no matter the size of the rectangle, mouse coorts are scaled to unit space.
+	 * no matter the size of the rectangle, mouse coords are scaled to unit space.
 	 * The mouse coords have been projected into the matrix so we don't need to worry about axis alignment.
 	 *
 	 * - The cursor offset are multiplied by 'dims'.

source/blender/editors/gpencil/drawgpencil.c

@@ -1730,7 +1730,7 @@ void ED_gpencil_draw_view3d_object(wmWindowManager *wm, Scene *scene, Depsgraph
 	}
 
 	if ((wm == NULL) || ED_screen_animation_playing(wm)) {
-		/* don't show onionskins during animation playback/scrub (i.e. it obscures the poses)
+		/* don't show onion-skins during animation playback/scrub (i.e. it obscures the poses)
 		 * OpenGL Renders (i.e. final output), or depth buffer (i.e. not real strokes)
 		 */
 		dflag |= GP_DRAWDATA_NO_ONIONS;

source/blender/editors/gpencil/gpencil_paint.c

@@ -1350,9 +1350,10 @@ static void gp_free_stroke(bGPdata *gpd, bGPDframe *gpf, bGPDstroke *gps)
 	gp_update_cache(gpd);
 }
 
-/* analyze points to be removed when soft eraser is used
+/**
- * to avoid that segments gets the end points rounded. This
+ * Analyze points to be removed when soft eraser is used
- * round cpas breaks the artistic effect.
+ * to avoid that segments gets the end points rounded.
+ * The round caps breaks the artistic effect.
  */
 static void gp_stroke_soft_refine(bGPDstroke *gps, const float cull_thresh)
 {
@@ -2020,7 +2021,7 @@ static tGPsdata *gp_session_initpaint(bContext *C, wmOperator *op)
 	/* Create new context data */
 	p = MEM_callocN(sizeof(tGPsdata), "GPencil Drawing Data");
 
-	/* Try to initialise context data
+	/* Try to initialize context data
 	 * WARNING: This may not always succeed (e.g. using GP in an annotation-only context)
 	 */
 	if (gp_session_initdata(C, op, p) == 0) {

source/blender/editors/io/io_cache.c

@@ -100,8 +100,8 @@ static int cachefile_open_exec(bContext *C, wmOperator *op)
 		/* hook into UI */
 		PropertyPointerRNA *pprop = op->customdata;
 		if (pprop->prop) {
-			/* when creating new ID blocks, use is already 1, but RNA
+			/* When creating new ID blocks, use is already 1, but RNA
-			 * pointer se also increases user, so this compensates it */
+			 * pointer see also increases user, so this compensates it. */
 			id_us_min(&cache_file->id);
 
 			PointerRNA idptr;

source/blender/editors/mesh/editmesh_select.c

@@ -3605,7 +3605,7 @@ void MESH_OT_select_less(wmOperatorType *ot)
  * \{ */
 
 /**
- * Check if we're connected to another selected efge.
+ * Check if we're connected to another selected edge.
  */
 static bool bm_edge_is_select_isolated(BMEdge *e)
 {

source/blender/editors/screen/screen_ops.c

@@ -4163,8 +4163,8 @@ static int screen_animation_step(bContext *C, wmOperator *UNUSED(op), const wmEv
 		 */
 		ED_refresh_viewport_fps(C);
 
-		/* recalculate the timestep for the timer now that we've finished calculating this,
+		/* Recalculate the time-step for the timer now that we've finished calculating this,
-		 * since the frames-per-second value may have been changed
+		 * since the frames-per-second value may have been changed.
 		 */
 		/* TODO: this may make evaluation a bit slower if the value doesn't change... any way to avoid this? */
 		wt->timestep = (1.0 / FPS);

source/blender/editors/sculpt_paint/paint_vertex.c

@@ -1683,7 +1683,7 @@ static void do_wpaint_brush_blur_task_cb_ex(
 	{
 		/* Test to see if the vertex coordinates are within the spherical brush region. */
 		if (sculpt_brush_test_sq_fn(&test, vd.co)) {
-			/* For grid based pbvh, take the vert whose loop coopresponds to the current grid.
+			/* For grid based pbvh, take the vert whose loop corresponds to the current grid.
 			 * Otherwise, take the current vert. */
 			const int v_index = has_grids ? data->me->mloop[vd.grid_indices[vd.g]].v : vd.vert_indices[vd.i];
 			const float grid_alpha = has_grids ? 1.0f / vd.gridsize : 1.0f;
@@ -1780,7 +1780,7 @@ static void do_wpaint_brush_smear_task_cb_ex(
 		{
 			/* Test to see if the vertex coordinates are within the spherical brush region. */
 			if (sculpt_brush_test_sq_fn(&test, vd.co)) {
-				/* For grid based pbvh, take the vert whose loop cooresponds to the current grid.
+				/* For grid based pbvh, take the vert whose loop corresponds to the current grid.
 				 * Otherwise, take the current vert. */
 				const int v_index = has_grids ? data->me->mloop[vd.grid_indices[vd.g]].v : vd.vert_indices[vd.i];
 				const float grid_alpha = has_grids ? 1.0f / vd.gridsize : 1.0f;

source/blender/editors/sculpt_paint/sculpt.c

@@ -1611,15 +1611,15 @@ static void bmesh_four_neighbor_average(float avg[3], float direction[3], BMVert
 		return;
 	}
 
-	/* Project the direction to the vertex normal and create an aditional
+	/* Project the direction to the vertex normal and create an additional
 	 * parallel vector. */
 	float dir_a[3], dir_b[3];
 	cross_v3_v3v3(dir_a, direction, v->no);
 	cross_v3_v3v3(dir_b, dir_a, v->no);
 
 	/* The four vectors which will be used for smoothing.
-	 * Ocasionally less than 4 verts match the requirements in that case
+	 * Occasionally less than 4 verts match the requirements in that case
-	 * use v as fallback. */
+	 * use 'v' as fallback. */
 	BMVert *pos_a = v;
 	BMVert *neg_a = v;
 	BMVert *pos_b = v;

source/blender/editors/space_outliner/outliner_tree.c

@@ -204,8 +204,8 @@ void outliner_cleanup_tree(SpaceOutliner *soops)
 /**
  * Free \a element and its sub-tree and remove its link in \a parent_subtree.
  *
- * \note Does not remove the TreeStoreElem of \a element!
+ * \note Does not remove the #TreeStoreElem of \a element!
- * \param parent_subtree: Subtree of the parent element, so the list containing \a element.
+ * \param parent_subtree: Sub-tree of the parent element, so the list containing \a element.
  */
 void outliner_free_tree_element(TreeElement *element, ListBase *parent_subtree)
 {
@@ -1619,7 +1619,7 @@ static TreeElement *outliner_find_first_desired_element_at_y_recursive(
  * Find the first element that passes a test starting from a reference vertical coordinate
  *
  * If the element that is in the position is not what we are looking for, keep looking for its
- * children, siblings, and eventually, aunts, cousins, disntant families, ...
+ * children, siblings, and eventually, aunts, cousins, distant families, ... etc.
  *
  * Basically we keep going up and down the outliner tree from that point forward, until we find
  * what we are looking for. If we are past the visible range and we can't find a valid element

source/blender/editors/space_view3d/view3d_select.c

@@ -1171,8 +1171,8 @@ static int object_select_menu_exec(bContext *C, wmOperator *op)
 
 	CTX_DATA_BEGIN (C, Base *, base, selectable_bases)
 	{
-		/* this is a bit dodjy, there should only be ONE object with this name,
+		/* This is a bit dodgy, there should only be ONE object with this name,
-		 * but library objects can mess this up */
+		 * but library objects can mess this up. */
 		if (STREQ(name, base->object->id.name + 2)) {
 			ED_object_base_activate(C, base);
 			ED_object_base_select(base, BA_SELECT);

source/blender/editors/transform/transform.c

@@ -2400,10 +2400,10 @@ bool initTransform(bContext *C, TransInfo *t, wmOperator *op, const wmEvent *eve
 		/* keymap for shortcut header prints */
 		t->keymap = WM_keymap_active(CTX_wm_manager(C), op->type->modalkeymap);
 
-		/* Stupid code to have Ctrl-Click on gizmo work ok
+		/* Stupid code to have Ctrl-Click on gizmo work ok.
 		 *
-		 * do this only for translation/rotation/resize due to only this
+		 * Do this only for translation/rotation/resize because only these
-		 * moded are available from gizmo and doing such check could
+		 * modes are available from gizmo and doing such check could
 		 * lead to keymap conflicts for other modes (see #31584)
 		 */
 		if (ELEM(mode, TFM_TRANSLATION, TFM_ROTATION, TFM_RESIZE)) {

source/blender/editors/transform/transform.h

@@ -707,7 +707,7 @@ enum {
 	T_POINTS =        1 << 6,
 	/**
 	 * Apply matrix #TransDataContainer.matrix, this avoids having to have duplicate check all over
-	 * that happen to apply to spesiifc modes (edit & pose for eg). */
+	 * that happen to apply to specific modes (edit & pose for eg). */
 	T_LOCAL_MATRIX =  1 << 7,
 
     /** restrictions flags */

source/blender/makesdna/DNA_anim_types.h

@@ -751,7 +751,7 @@ typedef enum eNlaStrip_Flag {
 //  NLASTRIP_FLAG_SELECT_R      = (1<<3),   // right handle selected
 
 	/* NLA strip uses the same action that the action being tweaked uses
-	 * (not set for the twaking one though) */
+	 * (not set for the tweaking one though). */
 	NLASTRIP_FLAG_TWEAKUSER     = (1<<4),
 
 	/* controls driven by local F-Curves */

source/blender/makesdna/DNA_screen_types.h

@@ -141,7 +141,7 @@ typedef struct Panel {
 
 	/** Defined as UI_MAX_NAME_STR. */
 	char panelname[64], tabname[64];
-	/** Panelname is identifier for restoring location. */
+	/** Panel name is identifier for restoring location. */
 	char drawname[64];
 	/** Offset within the region. */
 	int ofsx, ofsy;
@@ -154,7 +154,7 @@ typedef struct Panel {
 	short flag, runtime_flag;
 	short control;
 	short snap;
-	/** Panels are aligned according to increasing sortorder. */
+	/** Panels are aligned according to increasing sort-order. */
 	int sortorder;
 	/** This panel is tabbed in *paneltab. */
 	struct Panel *paneltab;
@@ -165,15 +165,16 @@ typedef struct Panel {
 } Panel;
 
 
-/* Notes on Panel Catogories:
+/**
+ * Notes on Panel Categories:
  *
- * ar->panels_category (PanelCategoryDyn) is a runtime only list of categories collected during draw.
+ * - #ARegion.panels_category (#PanelCategoryDyn) is a runtime only list of categories collected during draw.
  *
- * ar->panels_category_active (PanelCategoryStack) is basically a list of strings (category id's).
+ * - #ARegion.panels_category_active (#PanelCategoryStack) is basically a list of strings (category id's).
  *
  * Clicking on a tab moves it to the front of ar->panels_category_active,
  * If the context changes so this tab is no longer displayed,
- * then the first-most tab in ar->panels_category_active is used.
+ * then the first-most tab in #ARegion.panels_category_active is used.
  *
  * This way you can change modes and always have the tab you last clicked on.
  */
@@ -634,4 +635,5 @@ enum {
 #define RGN_DRAWING			4
 #define RGN_DRAW_REFRESH_UI	8  /* re-create uiBlock's where possible */
 #define RGN_DRAW_NO_REBUILD	16
-#endif
+
+#endif  /* __DNA_SCREEN_TYPES_H__ */

source/blender/makesdna/DNA_workspace_types.h

@@ -142,7 +142,7 @@ typedef struct WorkSpace {
 
 	/**
 	 * BAD DESIGN WARNING:
-	 * This is a workaround for the topbar not knowing which tools spac */
+	 * This is a workaround for the topbar not knowing which tools spec. */
 	char tools_space_type;
 	/** Type is different for each space-type. */
 	char tools_mode;