Cleanup: spelling

source/blender/blenkernel/BKE_camera.h

@@ -22,7 +22,7 @@
 
 /** \file
  * \ingroup bke
- * \brief Camera datablock and utility functions.
+ * \brief Camera data-block and utility functions.
  */
 #ifdef __cplusplus
 extern "C" {

source/blender/blenkernel/BKE_particle.h

@@ -430,7 +430,7 @@ void psys_apply_child_modifiers(struct ParticleThreadContext *ctx,
                                 const float parent_orco[3]);
 
 void psys_sph_init(struct ParticleSimulationData *sim, struct SPHData *sphdata);
-void psys_sph_finalise(struct SPHData *sphdata);
+void psys_sph_finalize(struct SPHData *sphdata);
 void psys_sph_density(struct BVHTree *tree, struct SPHData *data, float co[3], float vars[2]);
 
 /* for anim.c */

source/blender/blenkernel/intern/constraint.c

@@ -4695,7 +4695,7 @@ static void followtrack_evaluate_using_3d_position_object(FollowTrackContext *co
   MovieTrackingTrack *track = context->track;
   MovieTrackingObject *tracking_object = context->tracking_object;
 
-  /* Matrix of the object which is being solved prior to this contraint. */
+  /* Matrix of the object which is being solved prior to this constraint. */
   float obmat[4][4];
   copy_m4_m4(obmat, cob->matrix);
 
@@ -4720,7 +4720,7 @@ static void followtrack_evaluate_using_3d_position_camera(FollowTrackContext *co
   Object *camera_object = context->camera_object;
   MovieTrackingTrack *track = context->track;
 
-  /* Matrix of the object which is being solved prior to this contraint. */
+  /* Matrix of the object which is being solved prior to this constraint. */
   float obmat[4][4];
   copy_m4_m4(obmat, cob->matrix);
 

source/blender/blenkernel/intern/fcurve.c

@@ -1482,8 +1482,8 @@ static float fcurve_eval_keyframes_extrapolate(
     return endpoint_bezt->vec[1][1] - (fac * dx);
   }
 
-  /* Use the gradient of the second handle (later) of neighbour to calculate the gradient and thus
-   * the value of the curve at evaltime */
+  /* Use the gradient of the second handle (later) of neighbor to calculate the gradient and thus
+   * the value of the curve at evaluation time. */
   int handle = direction_to_neighbor > 0 ? 0 : 2;
   float dx = endpoint_bezt->vec[1][0] - evaltime;
   float fac = endpoint_bezt->vec[1][0] - endpoint_bezt->vec[handle][0];

source/blender/blenkernel/intern/multires_reshape_smooth.c

@@ -55,7 +55,7 @@
 /* Surface refers to a simplified and lower-memory footprint representation of the limit surface.
  *
  * Used to store pre-calculated information which is expensive or impossible to evaluate when
- * travesing the final limit surface.  */
+ * traversing the final limit surface.  */
 
 typedef struct SurfacePoint {
   float P[3];

source/blender/blenkernel/intern/particle_system.c

@@ -2163,7 +2163,7 @@ static void psys_sph_flush_springs(SPHData *sphdata)
   BLI_buffer_field_free(&sphdata->new_springs);
 }
 
-void psys_sph_finalise(SPHData *sphdata)
+void psys_sph_finalize(SPHData *sphdata)
 {
   psys_sph_flush_springs(sphdata);
 
@@ -4046,7 +4046,7 @@ static void dynamics_step(ParticleSimulationData *sim, float cfra)
 
       BLI_spin_end(&task_data.spin);
 
-      psys_sph_finalise(&sphdata);
+      psys_sph_finalize(&sphdata);
       break;
     }
   }

source/blender/blenkernel/intern/scene.c

@@ -1250,7 +1250,7 @@ bool BKE_scene_validate_setscene(Main *bmain, Scene *sce)
 
 /**
  * This function is needed to cope with fractional frames - including two Blender rendering
- * features mblur (motion blur that renders 'subframes' and blurs them together),
+ * features mblur (motion blur that renders 'sub-frames' and blurs them together),
  * and fields rendering.
  */
 float BKE_scene_frame_get(const Scene *scene)

source/blender/blenlib/intern/math_base_inline.c

@@ -360,7 +360,7 @@ MINLINE int divide_floor_i(int a, int b)
 }
 
 /**
- * Integer division that ceils the result, instead of flooring like normal C division.
+ * Integer division that returns the ceiling, instead of flooring like normal C division.
  */
 MINLINE uint divide_ceil_u(uint a, uint b)
 {

source/blender/blenloader/intern/versioning_250.c

@@ -2355,7 +2355,7 @@ void do_versions_after_linking_250(Main *bmain)
   }
 
   if (!MAIN_VERSION_ATLEAST(bmain, 258, 0)) {
-    /* Some very old (original comments claim pre-2.57) versionning that was wrongly done in
+    /* Some very old (original comments claim pre-2.57) versioning that was wrongly done in
      * lib-linking code... Putting it here just to be sure (this is also checked at runtime anyway
      * by `action_idcode_patch_check`). */
     ID *id;

source/blender/depsgraph/intern/builder/deg_builder_pchanmap.h

@@ -28,7 +28,7 @@
 namespace DEG {
 
 struct RootPChanMap {
-  /* ctor and dtor - Create and free the internal map respectively. */
+  /* Constructor and destructor - Create and free the internal map respectively. */
   RootPChanMap();
   ~RootPChanMap();
 

source/blender/draw/intern/draw_cache_impl_mesh.c

@@ -314,7 +314,7 @@ static void drw_mesh_weight_state_extract(Object *ob,
   wstate->alert_mode = ts->weightuser;
 
   if (paint_mode && ts->multipaint) {
-    /* Multipaint needs to know all selected bones, not just the active group.
+    /* Multi-paint needs to know all selected bones, not just the active group.
      * This is actually a relatively expensive operation, but caching would be difficult. */
     wstate->defgroup_sel = BKE_object_defgroup_selected_get(
         ob, wstate->defgroup_len, &wstate->defgroup_sel_count);

source/blender/editors/interface/interface_panel.c

@@ -373,8 +373,8 @@ void UI_panels_free_instanced(bContext *C, ARegion *region)
  * don't match in any way.
  *
  * \param data: The list of data to check against the instanced panels.
- * \param panel_type_func: Function to find the panel type idname for each item in the data list.
- * For a readabilty and generality, this lookup happens separately for each type of panel list.
+ * \param panel_idname_func: Function to find the panel type idname for each item in the data list.
+ * For a readability and generality, this lookup happens separately for each type of panel list.
  */
 bool UI_panel_list_matches_data(ARegion *region,
                                 ListBase *data,
@@ -1143,8 +1143,8 @@ void ui_draw_aligned_panel(uiStyle *style,
     immBindBuiltinProgram(GPU_SHADER_2D_UNIFORM_COLOR);
     GPU_blend(true);
 
-    /* Draw panel backdrop if it wasn't aleady been drawn by the single opauque round box earlier.
-     * Note: Subpanels blend with panels, so they can't be opaque. */
+    /* Draw panel backdrop if it wasn't already been drawn by the single opaque round box earlier.
+     * Note: Sub-panels blend with panels, so they can't be opaque. */
     if (show_background && !(draw_box_style && !is_subpanel)) {
       /* Draw the bottom subpanels . */
       if (draw_box_style) {

source/blender/editors/sculpt_paint/sculpt_undo.c

@@ -1570,7 +1570,7 @@ static void sculpt_undo_push_all_grids(Object *object)
 
   /* It is possible that undo push is done from an object state where there is no PBVH. This
    * happens, for example, when an operation which tagged for geometry update was performed prior
-   * to the current operation without making any stroke inbetween.
+   * to the current operation without making any stroke in between.
    *
    * Skip pushing nodes based on the following logic: on redo SCULPT_UNDO_COORDS will ensure
    * PBVH for the new base geometry, which will have same coordinates as if we create PBVH here. */

source/blender/editors/transform/transform_generics.c

@@ -1626,7 +1626,7 @@ void initTransInfo(bContext *C, TransInfo *t, wmOperator *op, const wmEvent *eve
     }
 
     if (t_values_set_is_array && t->flag & T_INPUT_IS_VALUES_FINAL) {
-      /* For operators whose `t->values` is array, set contrain so that the
+      /* For operators whose `t->values` is array, set constraint so that the
        * orientation is more intuitive in the Redo Panel. */
       for (int i = 3; i--;) {
         constraint_axis[i] |= t->values[i] != 0.0f;

source/blender/io/alembic/intern/abc_customdata.h

@@ -73,7 +73,7 @@ struct CDStreamConfig {
   const char **modifier_error_message;
 
   /* Alembic needs Blender to keep references to C++ objects (the destructors
-   * finalise the writing to ABC). This map stores OV2fGeomParam objects for the
+   * finalize the writing to ABC). This map stores OV2fGeomParam objects for the
    * 2nd and subsequent UV maps; the primary UV map is kept alive by the Alembic
    * mesh sample itself. */
   std::map<std::string, Alembic::AbcGeom::OV2fGeomParam> abc_uv_maps;

source/blender/io/alembic/intern/alembic_capi.cc

@@ -875,8 +875,7 @@ bool ABC_import(bContext *C,
                 bool validate_meshes,
                 bool as_background_job)
 {
-  /* Using new here since MEM_* funcs do not call ctor to properly initialize
-   * data. */
+  /* Using new here since MEM_* functions do not call constructor to properly initialize data. */
   ImportJobData *job = new ImportJobData();
   job->bmain = CTX_data_main(C);
   job->scene = CTX_data_scene(C);

source/blender/io/collada/ErrorHandler.h

@@ -46,7 +46,7 @@ class ErrorHandler : public COLLADASaxFWL::IErrorHandler {
   }
 
  private:
-  /** Disable default copy ctor. */
+  /** Disable default copy constructor. */
   ErrorHandler(const ErrorHandler &pre);
   /** Disable default assignment operator. */
   const ErrorHandler &operator=(const ErrorHandler &pre);

source/blender/makesdna/DNA_space_types.h

@@ -833,9 +833,10 @@ typedef enum eFileSel_Params_RenameFlag {
   FILE_PARAMS_RENAME_POSTSCROLL_ACTIVE = 1 << 3,
 } eFileSel_Params_RenameFlag;
 
-/* files in filesel list: file types
- * Note we could use mere values (instead of bitflags) for file types themselves,
- * but since we do not lack of bytes currently...
+/**
+ * Files in the file selector list: file types
+ * Note we could use mere values (instead of bit-flags) for file types themselves,
+ * but since we do not lack of bytes currently.
  */
 typedef enum eFileSel_File_Types {
   FILE_TYPE_BLENDER = (1 << 2),