Cleanup: repeated terms in code comments & error messages

15 files changed, 27 insertions, 26 deletions

diff --git a/source/blender/blenkernel/BKE_customdata.h b/source/blender/blenkernel/BKE_customdata.h
index d41b3f9f956..c4db8ee925e 100644
--- a/source/blender/blenkernel/BKE_customdata.h
+++ b/source/blender/blenkernel/BKE_customdata.h
@@ -539,7 +539,7 @@ enum {
   CDT_MIX_ADD = 17,
   CDT_MIX_SUB = 18,
   CDT_MIX_MUL = 19,
-  /* etc. etc. */
+  /* Etc. */
 };
 
 typedef struct CustomDataTransferLayerMap {
diff --git a/source/blender/blenkernel/BKE_idtype.h b/source/blender/blenkernel/BKE_idtype.h
index 4578f1c3ca5..28171b2b363 100644
--- a/source/blender/blenkernel/BKE_idtype.h
+++ b/source/blender/blenkernel/BKE_idtype.h
@@ -82,8 +82,8 @@ typedef void (*IDTypeMakeLocalFunction)(struct Main *bmain, struct ID *id, const
 typedef void (*IDTypeForeachIDFunction)(struct ID *id, struct LibraryForeachIDData *data);
 
 typedef enum eIDTypeInfoCacheCallbackFlags {
-  /** Indicates to the callback that that cache may be stored in the .blend file, so its pointer
-   * should not be cleared at read-time. */
+  /** Indicates to the callback that cache may be stored in the .blend file,
+   * so its pointer should not be cleared at read-time. */
   IDTYPE_CACHE_CB_FLAGS_PERSISTENT = 1 << 0,
 } eIDTypeInfoCacheCallbackFlags;
 typedef void (*IDTypeForeachCacheFunctionCallback)(struct ID *id,
diff --git a/source/blender/blenkernel/intern/action.c b/source/blender/blenkernel/intern/action.c
index cf7023bc672..fdf3558abed 100644
--- a/source/blender/blenkernel/intern/action.c
+++ b/source/blender/blenkernel/intern/action.c
@@ -486,8 +486,7 @@ void action_groups_add_channel(bAction *act, bActionGroup *agrp, FCurve *fcurve)
 
     /* If grp is NULL, that means we fell through, and this F-Curve should be added as the new
      * first since group is (effectively) the first group. Thus, the existing first F-Curve becomes
-     * the second in the chain, etc. etc.
-     */
+     * the second in the chain, etc. */
     if (grp == NULL) {
       BLI_insertlinkbefore(&act->curves, act->curves.first, fcurve);
     }
diff --git a/source/blender/blenkernel/intern/action_mirror.c b/source/blender/blenkernel/intern/action_mirror.c
index c975d2bfb9c..69e0091444b 100644
--- a/source/blender/blenkernel/intern/action_mirror.c
+++ b/source/blender/blenkernel/intern/action_mirror.c
@@ -343,7 +343,7 @@ static void action_flip_pchan(Object *ob_arm,
   } \
   ((void)0)
 
-    /* Write the values back the the F-curves. */
+    /* Write the values back the F-curves. */
     WRITE_ARRAY_FLT(loc);
     WRITE_ARRAY_FLT(eul);
     WRITE_ARRAY_FLT(quat);
diff --git a/source/blender/blenkernel/intern/curve.c b/source/blender/blenkernel/intern/curve.c
index 462451fe72b..1849ca03b50 100644
--- a/source/blender/blenkernel/intern/curve.c
+++ b/source/blender/blenkernel/intern/curve.c
@@ -5135,7 +5135,7 @@ void BKE_curve_nurb_vert_active_set(Curve *cu, const Nurb *nu, const void *vert)
   }
 }
 
-/* Get points to active active nurb and active vert for curve */
+/* Get points to the active nurb and active vert for curve. */
 bool BKE_curve_nurb_vert_active_get(Curve *cu, Nurb **r_nu, void **r_vert)
 {
   Nurb *nu = NULL;
diff --git a/source/blender/blenkernel/intern/geometry_set_instances.cc b/source/blender/blenkernel/intern/geometry_set_instances.cc
index 8cf08d05d9d..6921b102b20 100644
--- a/source/blender/blenkernel/intern/geometry_set_instances.cc
+++ b/source/blender/blenkernel/intern/geometry_set_instances.cc
@@ -264,7 +264,7 @@ static bool instances_attribute_foreach_recursive(const GeometrySet &geometry_se
     }
   }
 
-  /* Now that this this geometry set is visited, increase the count and check with the limit. */
+  /* Now that this geometry set is visited, increase the count and check with the limit. */
   if (limit > 0 && count++ > limit) {
     return false;
   }
diff --git a/source/blender/blenkernel/intern/gpencil_curve.c b/source/blender/blenkernel/intern/gpencil_curve.c
index 74bb787eac3..344be7bc0f5 100644
--- a/source/blender/blenkernel/intern/gpencil_curve.c
+++ b/source/blender/blenkernel/intern/gpencil_curve.c
@@ -242,8 +242,8 @@ static int gpencil_get_stroke_material_fromcurve(
   float color_fill[4] = {0.0f, 0.0f, 0.0f, 0.0f};
 
   /* If the curve has 2 materials, the first is considered as Fill and the second as Stroke.
-   * If the has only one material, if the name contains _stroke, the is used
-   * as stroke, else as fill. */
+   * If the has only one material, if the name contains "_stroke",
+   * it's used as a stroke, otherwise as fill. */
   if (ob_cu->totcol >= 2) {
     *do_stroke = true;
     *do_fill = true;
diff --git a/source/blender/blenkernel/intern/image.c b/source/blender/blenkernel/intern/image.c
index a2131d735a6..740c9b3864c 100644
--- a/source/blender/blenkernel/intern/image.c
+++ b/source/blender/blenkernel/intern/image.c
@@ -1056,9 +1056,11 @@ Image *BKE_image_add_generated(Main *bmain,
   return ima;
 }
 
-/* Create an image image from ibuf. The refcount of ibuf is increased,
+/**
+ * Create an image from ibuf. The refcount of ibuf is increased,
  * caller should take care to drop its reference by calling
- * IMB_freeImBuf if needed. */
+ * #IMB_freeImBuf if needed.
+ */
 Image *BKE_image_add_from_imbuf(Main *bmain, ImBuf *ibuf, const char *name)
 {
   /* on save, type is changed to FILE in editsima.c */
diff --git a/source/blender/blenkernel/intern/mesh_boolean_convert.cc b/source/blender/blenkernel/intern/mesh_boolean_convert.cc
index 5a8921132af..c162458ffb9 100644
--- a/source/blender/blenkernel/intern/mesh_boolean_convert.cc
+++ b/source/blender/blenkernel/intern/mesh_boolean_convert.cc
@@ -776,7 +776,7 @@ static Mesh *imesh_to_mesh(IMesh *im, MeshesToIMeshInfo &mim)
 
 /**
  * Do a mesh boolean operation directly on meshes (without going back and forth to BMesh).
- * \param meshes: An array of of Mesh pointers.
+ * \param meshes: An array of Mesh pointers.
  * \param obmats: An array of pointers to the obmat matrices that transform local
  * coordinates to global ones. It is allowed for the pointers to be null, meaning the
  * transformation is the identity.
diff --git a/source/blender/blenkernel/intern/mesh_mapping.c b/source/blender/blenkernel/intern/mesh_mapping.c
index d4119f48193..c469a65449d 100644
--- a/source/blender/blenkernel/intern/mesh_mapping.c
+++ b/source/blender/blenkernel/intern/mesh_mapping.c
@@ -535,7 +535,7 @@ void BKE_mesh_edge_poly_map_create(MeshElemMap **r_map,
  *
  * This has the advantage that it can operate on any data-types.
  *
- * \param totsource: The total number of elements the that \a final_origindex points to.
+ * \param totsource: The total number of elements that \a final_origindex points to.
  * \param totfinal: The size of \a final_origindex
  * \param final_origindex: The size of the final array.
  *
diff --git a/source/blender/blenkernel/intern/mesh_mirror.c b/source/blender/blenkernel/intern/mesh_mirror.c
index 3d30c218fba..9aeaa1ada52 100644
--- a/source/blender/blenkernel/intern/mesh_mirror.c
+++ b/source/blender/blenkernel/intern/mesh_mirror.c
@@ -70,9 +70,9 @@ Mesh *BKE_mesh_mirror_bisect_on_mirror_plane_for_modifier(MirrorModifierData *mm
   /* Define bisecting plane (aka mirror plane). */
   float plane[4];
   if (!do_bisect_flip_axis) {
-    /* That reversed condition is a tad weird, but for some reason that's how you keep
-     * the part of the mesh which is on the non-mirrored side when flip option is disabled,
-     * think that that is the expected behavior. */
+    /* That reversed condition is a little weird, but for some reason that's how you keep
+     * the part of the mesh which is on the non-mirrored side when flip option is disabled.
+     * I think this is the expected behavior. */
     negate_v3(plane_no);
   }
   plane_from_point_normal_v3(plane, plane_co, plane_no);
diff --git a/source/blender/blenkernel/intern/object.c b/source/blender/blenkernel/intern/object.c
index c5614a69744..a5e16172e75 100644
--- a/source/blender/blenkernel/intern/object.c
+++ b/source/blender/blenkernel/intern/object.c
@@ -4475,7 +4475,7 @@ Mesh *BKE_object_get_pre_modified_mesh(const Object *object)
 }
 
 /**
- * Get a mesh which corresponds to very very original mesh from #Main.
+ * Get a mesh which corresponds to the very original mesh from #Main.
  * - For original objects it will be object->data.
  * - For evaluated objects it will be same mesh as corresponding original
  *   object uses as data.
@@ -5303,7 +5303,7 @@ KDTree_3d *BKE_object_as_kdtree(Object *ob, int *r_tot)
         tot = 0;
         tree = BLI_kdtree_3d_new(totvert);
 
-        /* we don't how how many verts from the DM we can use */
+        /* We don't how many verts from the DM we can use. */
         for (i = 0; i < totvert; i++) {
           if (index[i] != ORIGINDEX_NONE) {
             float co[3];
diff --git a/source/blender/blenkernel/intern/unit.c b/source/blender/blenkernel/intern/unit.c
index 3a9ce5ad932..290b880934e 100644
--- a/source/blender/blenkernel/intern/unit.c
+++ b/source/blender/blenkernel/intern/unit.c
@@ -744,7 +744,7 @@ static const char *unit_find_str(const char *str, const char *substr, bool case_
  *
  * "1m1cm+2mm"              - Original value.
  * "1*1#1*0.01#+2*0.001#"   - Replace numbers.
- * "1*1+1*0.01 +2*0.001 "   - Add add signs if ( + - * / | & ~ < > ^ ! = % ) not found in between.
+ * "1*1+1*0.01 +2*0.001 "   - Add plus signs if ( + - * / | & ~ < > ^ ! = % ) not found in between.
  */
 
 /* Not too strict, (+ - * /) are most common. */
diff --git a/source/blender/blenkernel/intern/volume.cc b/source/blender/blenkernel/intern/volume.cc
index 5fc55aad6a2..272ecc71833 100644
--- a/source/blender/blenkernel/intern/volume.cc
+++ b/source/blender/blenkernel/intern/volume.cc
@@ -1224,7 +1224,7 @@ const VolumeGrid *BKE_volume_grid_active_get_for_read(const Volume *volume)
   return BKE_volume_grid_get_for_read(volume, index);
 }
 
-/* Tries to find a grid with the given name. Make sure that that the volume has been loaded. */
+/* Tries to find a grid with the given name. Make sure that the volume has been loaded. */
 const VolumeGrid *BKE_volume_grid_find_for_read(const Volume *volume, const char *name)
 {
   int num_grids = BKE_volume_num_grids(volume);
diff --git a/source/blender/blenkernel/nla_private.h b/source/blender/blenkernel/nla_private.h
index 71b5a74ddf7..3e13ba602a4 100644
--- a/source/blender/blenkernel/nla_private.h
+++ b/source/blender/blenkernel/nla_private.h
@@ -39,13 +39,13 @@ struct AnimationEvalContext;
 typedef struct NlaEvalStrip {
   struct NlaEvalStrip *next, *prev;
 
-  NlaTrack *track; /* track that this strip belongs to */
-  NlaStrip *strip; /* strip that's being used */
+  NlaTrack *track; /* Track that this strip belongs to. */
+  NlaStrip *strip; /* Strip that's being used. */
 
-  short track_index; /* the index of the track within the list */
-  short strip_mode;  /* which end of the strip are we looking at */
+  short track_index; /* The index of the track within the list. */
+  short strip_mode;  /* Which end of the strip are we looking at. */
 
-  float strip_time; /* time at which which strip is being evaluated */
+  float strip_time; /* Time at which this strip is being evaluated. */
 } NlaEvalStrip;
 
 /* NlaEvalStrip->strip_mode */