Cleanup: Grammar: "it's" vs "its"

intern/ghost/intern/GHOST_SystemWayland.cpp

@@ -1117,7 +1117,7 @@ using GWL_RegistryHandler_UpdateFn = void (*)(GWL_Display *display,
 using GWL_RegistryEntry_RemoveFn = void (*)(GWL_Display *display, void *user_data, bool on_exit);
 
 struct GWL_RegistryHandler {
-  /** Pointer to the name (not the name it's self), needed as the values aren't set on startup. */
+  /** Pointer to the name (not the name itself), needed as the values aren't set on startup. */
   const char *const *interface_p = nullptr;
 
   /** Add the interface. */
@@ -3627,7 +3627,7 @@ static void tablet_seat_handle_tool_added(void *data,
   GWL_TabletTool *tablet_tool = new GWL_TabletTool();
   tablet_tool->seat = seat;
 
-  /* Every tool has it's own cursor wl_surface. */
+  /* Every tool has its own cursor wl_surface. */
   tablet_tool->wl_surface_cursor = wl_compositor_create_surface(seat->system->wl_compositor());
   ghost_wl_surface_tag_cursor_tablet(tablet_tool->wl_surface_cursor);
 
@@ -3969,7 +3969,7 @@ static void keyboard_handle_key(void *data,
     }
     else if (xkb_keymap_key_repeats(xkb_state_get_keymap(seat->xkb_state), key_code)) {
       if (etype == GHOST_kEventKeyDown) {
-        /* Any other key-down always cancels (and may start it's own repeat timer). */
+        /* Any other key-down always cancels (and may start its own repeat timer). */
         timer_action = CANCEL;
       }
       else {

scripts/modules/bpy/utils/__init__.py

@@ -70,7 +70,7 @@ _script_module_dirs = "startup", "modules"
 # Base scripts, this points to the directory containing: "modules" & "startup" (see `_script_module_dirs`).
 # In Blender's code-base this is `./scripts`.
 #
-# NOTE: in virtually all cases this should match `BLENDER_SYSTEM_SCRIPTS` as this script is it's self a system script,
+# NOTE: in virtually all cases this should match `BLENDER_SYSTEM_SCRIPTS` as this script is itself a system script,
 # it must be in the `BLENDER_SYSTEM_SCRIPTS` by definition and there is no need for a look-up from `_bpy_script_paths`.
 _script_base_dir = _os.path.dirname(_os.path.dirname(_os.path.dirname(_os.path.dirname(__file__))))
 

source/blender/blenkernel/BKE_deform.h

@@ -58,7 +58,7 @@ struct bDeformGroup *BKE_object_defgroup_find_name(const struct Object *ob, cons
  *
  * \param use_default: How to handle cases where no symmetrical group is found.
  * - false: sets these indices to -1, indicating the group should be ignored.
- * - true: sets the index to its location in the array (making the group point to it's self).
+ * - true: sets the index to its location in the array (making the group point to itself).
  *   Enable this for symmetrical actions which apply weight operations on symmetrical vertices
  *   where the symmetrical group will be used (if found), otherwise the same group is used.
  *

source/blender/editors/mesh/editmesh_undo.cc

@@ -344,9 +344,9 @@ static void um_arraystore_compact_ex(UndoMesh *um, const UndoMesh *um_ref, bool
   /* Compacting can be time consuming, run in parallel.
    *
    * NOTE(@ideasman42): this could be further parallelized with every custom-data layer
-   * running in it's own thread. If this is a bottleneck it's worth considering.
-   * At the moment it seems fast enough to split by element type.
-   * Since this is it's self a background thread, using too many threads here could
+   * running in its own thread. If this is a bottleneck it's worth considering.
+   * At the moment it seems fast enough to split by domain.
+   * Since this is itself a background thread, using too many threads here could
    * interfere with foreground tasks. */
   blender::threading::parallel_invoke(
       4096 < (me->totvert + me->totedge + me->totloop + me->totpoly),

source/blender/editors/space_view3d/view3d_gizmo_preselect_type.cc

@@ -52,7 +52,7 @@
  * would be used for this purpose. The problem with using poll is once the gizmo is visible again
  * is there is a visible flicker showing the previous location before cursor motion causes the
  * pre selection to be updated. While this is only a glitch, it's distracting.
- * The gizmo system it's self could support this use case by tracking which gizmos draw and ensure
+ * The gizmo system itself could support this use case by tracking which gizmos draw and ensure
  * gizmos always run #wmGizmoType.test_select before drawing, however pre-selection is already
  * outside the scope of what gizmos are meant to be used for, so keep this workaround localized
  * to this gizmo type unless this seems worth supporting for more typical use-cases.

source/blender/gpencil_modifiers/intern/lineart/MOD_lineart.h

@@ -374,7 +374,7 @@ typedef struct LineartData {
     bool do_shadow_cast;
     bool light_reference_available;
 
-    /* Keep an copy of these data so when line art is running it's self-contained. */
+    /* Keep an copy of these data so when line art is running itself contained. */
     bool cam_is_persp;
     /* "Secondary" ones are from viewing camera
      * (as opposed to shadow camera), during shadow calculation. */

source/blender/python/intern/bpy_rna_array.c

@@ -526,7 +526,7 @@ static int py_to_array(PyObject *seq,
   // totdim = RNA_property_array_dimension(ptr, prop, dim_size); /* UNUSED */
   const int flag = RNA_property_flag(prop);
 
-  /* Use #ParameterDynAlloc which defines it's own array length. */
+  /* Use #ParameterDynAlloc which defines its own array length. */
   const bool prop_is_param_dyn_alloc = param_data && (flag & PROP_DYNAMIC);
 
   if (validate_array(seq,

source/blender/windowmanager/gizmo/intern/wm_gizmo_group_type.c

@@ -129,7 +129,7 @@ wmGizmoGroupTypeRef *WM_gizmogrouptype_append_and_link(wmGizmoMapType *gzmap_typ
  */
 static void gizmogrouptype_free(wmGizmoGroupType *gzgt)
 {
-  /* Python gizmo group, allocates it's own string. */
+  /* Python gizmo group, allocates its own string. */
   if (gzgt->rna_ext.srna) {
     MEM_freeN((void *)gzgt->idname);
   }

source/blender/windowmanager/gizmo/intern/wm_gizmo_type.c

@@ -106,7 +106,7 @@ void WM_gizmotype_append_ptr(void (*gtfunc)(struct wmGizmoType *, void *), void
 
 void WM_gizmotype_free_ptr(wmGizmoType *gzt)
 {
-  /* Python gizmo, allocates it's own string. */
+  /* Python gizmo, allocates its own string. */
   if (gzt->rna_ext.srna) {
     MEM_freeN((void *)gzt->idname);
   }

source/blender/windowmanager/intern/wm_event_system.cc

@@ -1149,7 +1149,7 @@ static void wm_operator_finished(bContext *C,
       }
     }
     else if (has_undo_step) {
-      /* An undo step was added but the operator wasn't registered (and won't register it's self),
+      /* An undo step was added but the operator wasn't registered (and won't register itself),
        * therefor a redo panel wouldn't redo this action but the previous registered action,
        * causing the "redo" to remove/loose this operator. See: #101743.
        * Register check is needed so nested operator calls don't clear the HUD. See: #103587. */

source/blender/windowmanager/intern/wm_files.cc

@@ -1112,7 +1112,7 @@ void wm_homefile_read_ex(bContext *C,
   const bool use_userdef = params_homefile->use_userdef;
   bool use_factory_settings = params_homefile->use_factory_settings;
   /* Currently this only impacts preferences as it doesn't make much sense to keep the default
-   * startup open in the case the app-template doesn't happen to define it's own startup.
+   * startup open in the case the app-template doesn't happen to define its own startup.
    * Unlike preferences where we might want to only reset the app-template part of the preferences
    * so as not to reset the preferences for all other Blender instances, see: #96427. */
   const bool use_factory_settings_app_template_only =
@@ -1604,7 +1604,7 @@ static void wm_history_file_update(void)
  *
  *   - An image is saved to the thumbnail cache, sized at #PREVIEW_RENDER_LARGE_HEIGHT.
  *
- *   - A smaller thumbnail is stored in the `.blend` file it's self, sized at #BLEN_THUMB_SIZE.
+ *   - A smaller thumbnail is stored in the `.blend` file itself, sized at #BLEN_THUMB_SIZE.
  *     The size is kept small to prevent thumbnails bloating the size of `.blend` files.
  *
  *     The this thumbnail will be extracted if the file is shared or the local thumbnail cache

source/blender/windowmanager/intern/wm_operator_type.c

@@ -187,7 +187,7 @@ static void operatortype_ghash_free_cb(wmOperatorType *ot)
   }
 
   if (ot->rna_ext.srna) {
-    /* A Python operator, allocates it's own string. */
+    /* A Python operator, allocates its own string. */
     MEM_freeN((void *)ot->idname);
   }
 

tests/python/bl_pyapi_prop_array.py

@@ -234,7 +234,7 @@ class TestPropArrayDynamicAssign(unittest.TestCase):
 
 class TestPropArrayDynamicArg(unittest.TestCase):
     """
-    Index array, a dynamic array argument which defines it's own length.
+    Index array, a dynamic array argument which defines its own length.
     """
 
     dims = 8

tools/check_source/check_licenses.py

@@ -418,7 +418,7 @@ def main() -> None:
             source_paths_include=(".",),
             source_paths_exclude=(
                 # Directories:
-                # This is an exception, it has it's own CMake files we do not maintain.
+                # This is an exception, it has its own CMake files we do not maintain.
                 "./extern/audaspace",
                 "./extern/quadriflow/3rd/lemon-1.3.1",
             ),
@@ -428,7 +428,7 @@ def main() -> None:
             source_paths_include=(".",),
             source_paths_exclude=(
                 # Directories:
-                # This is an exception, it has it's own CMake files we do not maintain.
+                # This is an exception, it has its own CMake files we do not maintain.
                 "./extern",
                 "./scripts/addons_contrib",
                 # Just data.

tools/config/analysis/valgrind.supp

@@ -40,7 +40,7 @@
 }
 
 ##----------------------------------------------------------------------##
-# Python Calls aren't so useful unless we're debugging Python it's self
+# Python Calls aren't so useful unless we're debugging Python itself
 
 # _PyObject_Free
 {