Cleanup: spelling in comments

intern/guardedalloc/intern/mallocn.c

@@ -18,7 +18,7 @@
 #include "mallocn_intern.h"
 
 #ifdef WITH_JEMALLOC_CONF
-/* If jemalloc is used, it reads this global variable and enables background
+/* If JEMALLOC is used, it reads this global variable and enables background
  * threads to purge dirty pages. Otherwise we release memory too slowly or not
  * at all if the thread that did the allocation stays inactive. */
 const char *malloc_conf = "background_thread:true,dirty_decay_ms:4000";

source/blender/blenkernel/BKE_pointcache.h

@@ -249,7 +249,7 @@ typedef struct PTCacheEdit {
   struct ParticleSystemModifierData *psmd;
   struct ParticleSystemModifierData *psmd_eval;
   struct KDTree_3d *emitter_field;
-  /* Localspace face centers and normals (average of its verts), from the derived mesh. */
+  /** Local-space face centers and normals (average of its verts), from the derived mesh. */
   float *emitter_cosnos;
   int *mirror_cache;
 

source/blender/blenkernel/BKE_screen.h

@@ -107,7 +107,7 @@ typedef struct SpaceType {
 
   /**
    * foreach_id callback to process all ID pointers of the editor. Used indirectly by lib_query's
-   * #BKE_library_foreach_ID_link when #IDWALK_INCLUDE_UI bitflag is set (through WM's foreach_id
+   * #BKE_library_foreach_ID_link when #IDWALK_INCLUDE_UI bit-flag is set (through WM's foreach_id
    * usage of #BKE_screen_foreach_id_screen_area).
    */
   void (*foreach_id)(struct SpaceLink *space_link, struct LibraryForeachIDData *data);

source/blender/blenkernel/intern/collection.cc

@@ -2200,7 +2200,7 @@ static void scene_objects_iterator_begin(BLI_Iterator *iter, Scene *scene, GSet
     data->visited = BLI_gset_ptr_new(__func__);
   }
 
-  /* We wrap the scenecollection iterator here to go over the scene collections. */
+  /* We wrap the scene-collection iterator here to go over the scene collections. */
   BKE_scene_collections_iterator_begin(&data->scene_collection_iter, scene);
 
   Collection *collection = static_cast<Collection *>(data->scene_collection_iter.current);

source/blender/blenkernel/intern/node.cc

@@ -3359,7 +3359,7 @@ void nodeRemoveNode(Main *bmain, bNodeTree *ntree, bNode *node, const bool do_id
 {
   BLI_assert(ntree != nullptr);
   /* This function is not for localized node trees, we do not want
-   * do to ID user reference-counting and removal of animdation data then. */
+   * do to ID user reference-counting and removal of animation data then. */
   BLI_assert((ntree->id.tag & LIB_TAG_LOCALIZED) == 0);
 
   bool node_has_id = false;

source/blender/blenkernel/intern/particle_system.cc

@@ -1493,7 +1493,7 @@ static void integrate_particle(
           madd_v3_v3v3fl(states[1].co, states->co, states->vel, dtime * 0.5f);
           madd_v3_v3v3fl(states[1].vel, states->vel, acceleration, dtime * 0.5f);
           states[1].time = dtime * 0.5f;
-          /*fra=sim->psys->cfra+0.5f*dfra;*/
+          // fra = sim->psys->cfra + 0.5f * dfra;
         }
         else {
           madd_v3_v3v3fl(pa->state.co, states->co, states[1].vel, dtime);
@@ -1511,7 +1511,7 @@ static void integrate_particle(
             madd_v3_v3v3fl(states[1].co, states->co, dx[0], 0.5f);
             madd_v3_v3v3fl(states[1].vel, states->vel, dv[0], 0.5f);
             states[1].time = dtime * 0.5f;
-            /*fra=sim->psys->cfra+0.5f*dfra;*/
+            // fra = sim->psys->cfra + 0.5f * dfra;
             break;
           case 1:
             madd_v3_v3v3fl(dx[1], states->vel, dv[0], 0.5f);
@@ -1532,7 +1532,7 @@ static void integrate_particle(
             add_v3_v3v3(states[3].co, states->co, dx[2]);
             add_v3_v3v3(states[3].vel, states->vel, dv[2]);
             states[3].time = dtime;
-            /*fra=cfra;*/
+            // fra = cfra;
             break;
           case 3:
             add_v3_v3v3(dx[3], states->vel, dv[2]);

source/blender/blenloader/intern/versioning_280.cc

@@ -2915,7 +2915,7 @@ void do_versions_after_linking_280(FileData *fd, Main *bmain)
       }
     }
 
-    /* 2.8x dropped support for non-empty dupli instances. but propoer do-versionning was never
+    /* 2.8x dropped support for non-empty dupli instances. but proper do-versioning was never
      * done correctly. So added here as a 'safe' place version wise, always better than in
      * readfile lib-linking code! */
     LISTBASE_FOREACH (Object *, ob, &bmain->objects) {

source/blender/blenloader/intern/versioning_common.cc

@@ -492,7 +492,7 @@ void do_versions_after_setup(Main *new_bmain, BlendFileReadReport *reports)
    *     decision to apply some versioning on some data should mostly rely on the data itself.
    *   - Unlike the regular do_version code, this one should _not_ be assumed as 'valid forever'.
    *     It is closer to the Editing or BKE code in that respect, changes to the logic or data
-   *     model of an ID will require carefull update here as well.
+   *     model of an ID will require a careful update here as well.
    *
    * Another critical weakness of this code is that it is currently _not_ performed on data linked
    * during an editing session, but only on data linked while reading a whole blendfile. This will

source/blender/compositor/operations/COM_KuwaharaAnisotropicOperation.cc

@@ -206,7 +206,7 @@ void KuwaharaAnisotropicOperation::execute_pixel_sampled(float output[4],
       float2 rotated_disk_point = M_SQRT1_2 *
                                   float2(disk_point.x - disk_point.y, disk_point.x + disk_point.y);
 
-      /* Finally, we compute every other odd-index 4 weights starting from the 45 degreed rotated
+      /* Finally, we compute every other odd-index 4 weights starting from the 45 degree rotated
        * disk point. */
       float2 rotated_polynomial = sector_center_overlap_parameter -
                                   cross_sector_overlap_parameter * square(rotated_disk_point);
@@ -453,7 +453,7 @@ void KuwaharaAnisotropicOperation::update_memory_buffer_partial(MemoryBuffer *ou
         float2 rotated_disk_point = M_SQRT1_2 * float2(disk_point.x - disk_point.y,
                                                        disk_point.x + disk_point.y);
 
-        /* Finally, we compute every other odd-index 4 weights starting from the 45 degreed rotated
+        /* Finally, we compute every other odd-index 4 weights starting from the 45 degree rotated
          * disk point. */
         float2 rotated_polynomial = sector_center_overlap_parameter -
                                     cross_sector_overlap_parameter * square(rotated_disk_point);

source/blender/draw/engines/eevee/eevee_shaders.cc

@@ -650,7 +650,7 @@ GPUShader *EEVEE_shaders_cryptomatte_sh_get(bool is_hair)
 /** \} */
 
 /* -------------------------------------------------------------------- */
-/** \name Raytraced Reflections
+/** \name Ray-Traced Reflections
  * \{ */
 
 GPUShader *EEVEE_shaders_effect_reflection_trace_sh_get()

source/blender/draw/engines/eevee/shaders/effect_temporal_aa.glsl

@@ -2,13 +2,15 @@
 #pragma BLENDER_REQUIRE(common_math_lib.glsl)
 #pragma BLENDER_REQUIRE(common_view_lib.glsl)
 
-/*uniform sampler2D colorBuffer;
+#if 0
+uniform sampler2D colorBuffer;
 uniform depth2D depthBuffer;
 uniform sampler2D colorHistoryBuffer;
 
 uniform mat4 prevViewProjectionMatrix;
 
-out vec4 FragColor;*/
+out vec4 FragColor;
+#endif
 
 #ifdef USE_REPROJECTION
 

source/blender/editors/animation/keyframes_general.cc

@@ -800,7 +800,7 @@ bool match_slope_fcurve_segment(FCurve *fcu, FCurveSegment *segment, const float
   }
 
   /* This delta values are used to get the relationship between the bookend keys and the
-   * reference keys beyong those. */
+   * reference keys beyond those. */
   const float y_delta = beyond_key.vec[1][1] - reference_key->vec[1][1];
   const float x_delta = beyond_key.vec[1][0] - reference_key->vec[1][0];
 

source/blender/editors/armature/armature_add.cc

@@ -1179,7 +1179,7 @@ static int armature_symmetrize_exec(bContext *C, wmOperator *op)
       EditBone *ebone = ED_armature_ebone_find_name(arm->edbo, name_flip);
 
       if (!ebone) {
-        /* The ebone_iter is unique and mirrorable. */
+        /* The ebone_iter is unique and mirror-able. */
         continue;
       }
 

source/blender/freestyle/intern/stroke/AdvancedFunctions0D.h

@@ -110,7 +110,7 @@ class ReadMapPixelF0D : public UnaryFunction0D<float> {
 };
 
 // ReadSteerableViewMapPixel
-/** Reads a pixel in one of the level of one of the steerable viewmaps. */
+/** Reads a pixel in one of the level of one of the steerable view-maps. */
 class ReadSteerableViewMapPixelF0D : public UnaryFunction0D<float> {
  private:
   uint _orientation;

source/blender/freestyle/intern/stroke/AdvancedFunctions1D.h

@@ -148,7 +148,7 @@ class GetCompleteViewMapDensityF1D : public UnaryFunction1D<double> {
 };
 
 // GetDirectionalViewMapDensity
-/** Returns the density evaluated for an Interface1D in of the steerable viewmaps image.
+/** Returns the density evaluated for an Interface1D in of the steerable view-maps image.
  *  The direction telling which Directional map to choose is explicitly specified by the user.
  *  The density is evaluated for a set of points along the Interface1D
  *  (using the ReadSteerableViewMapPixelF0D functor)

source/blender/freestyle/intern/stroke/Chain.cpp

@@ -4,7 +4,7 @@
 
 /** \file
  * \ingroup freestyle
- * \brief Class to define a chain of viewedges.
+ * \brief Class to define a chain of view-edges.
  */
 
 #include "Chain.h"

source/blender/freestyle/intern/stroke/Chain.h

@@ -6,7 +6,7 @@
 
 /** \file
  * \ingroup freestyle
- * \brief Class to define a chain of viewedges.
+ * \brief Class to define a chain of view-edges.
  */
 
 #include "Curve.h"

source/blender/freestyle/intern/stroke/Operators.h

@@ -198,7 +198,7 @@ class Operators {
                             UnaryPredicate1D &pred,
                             float sampling = 0.0f);
 
-  /** Sorts the current set of chains (or viewedges)
+  /** Sorts the current set of chains (or view-edges)
    *  according to the comparison predicate given as argument.
    *  \param pred:
    *           The binary predicate used for the comparison

source/blender/io/usd/hydra/image.cc

@@ -101,7 +101,7 @@ std::string cache_or_get_image_file(Main *bmain, Scene *scene, Image *image, Ima
                                                   ipf->packedfile,
                                                   PF_WRITE_LOCAL);
 
-      /* Take first succesfully unpacked image. */
+      /* Take first successfully unpacked image. */
       if (cached_path != nullptr) {
         if (file_path.empty()) {
           file_path = cached_path;

source/blender/io/usd/intern/usd_reader_mesh.h

@@ -57,8 +57,8 @@ class USDMeshReader : public USDGeomReader {
   bool topology_changed(const Mesh *existing_mesh, double motionSampleTime) override;
 
   /**
-   * If the USD mesh prim has a valid UsdSkel schema defined, return the USD path
+   * If the USD mesh prim has a valid `UsdSkel` schema defined, return the USD path
-   * string to the bound skeleton, if any.  Returns the empty string if no skeleton
+   * string to the bound skeleton, if any. Returns the empty string if no skeleton
    * binding is defined.
    *
    * The returned path is currently used to match armature modifiers with armature

source/blender/io/usd/intern/usd_reader_stage.cc

@@ -335,7 +335,7 @@ void USDStageReader::collect_readers(Main *bmain)
 
 void USDStageReader::process_armature_modifiers() const
 {
-  /* Iteratate over the skeleton readers to create the
+  /* Iterate over the skeleton readers to create the
    * armature object map, which maps a USD skeleton prim
    * path to the corresponding armature object. */
   std::map<std::string, Object *> usd_path_to_armature;

source/blender/io/usd/intern/usd_skel_convert.cc

@@ -206,7 +206,7 @@ void import_skeleton_curves(Main *bmain,
   /* The curve for each joint represents the transform relative
    * to the bind transform in joint-local space. I.e.,
    *
-   * jointLocalTransform * inv(jointLocalBindTransform)
+   * `jointLocalTransform * inv(jointLocalBindTransform)`
    *
    * There doesn't appear to be a way to query the joint-local
    * bind transform through the API, so we have to compute it
@@ -418,8 +418,8 @@ void import_blendshapes(Main *bmain,
   KeyBlock *kb = BKE_keyblock_add(key, "Basis");
   BKE_keyblock_convert_from_mesh(mesh, key, kb);
 
-  /* Keep track of the shapkeys we're adding, for
+  /* Keep track of the shape-keys we're adding,
-   * validation when creating curves later. */
+   * for validation when creating curves later. */
   std::set<pxr::TfToken> shapekey_names;
 
   for (int i = 0; i < targets.size(); ++i) {
@@ -431,7 +431,7 @@ void import_blendshapes(Main *bmain,
       continue;
     }
 
-    /* Get the blend shape offests. */
+    /* Get the blend shape offsets. */
     if (!blendshape.GetOffsetsAttr().HasAuthoredValue()) {
       /* Blend shape has no authored offsets. */
       continue;
@@ -576,7 +576,7 @@ void import_blendshapes(Main *bmain,
 
   for (auto blendshape_name : blendshapes) {
     if (shapekey_names.find(blendshape_name) == shapekey_names.end()) {
-      /* We didn't create a shapekey fo this blendshape, so we don't
+      /* We didn't create a shape-key for this blend-shape, so we don't
        * create a curve and insert a null placeholder in the curve array. */
       curves.push_back(nullptr);
       continue;
@@ -706,13 +706,13 @@ void import_skeleton(Main *bmain,
 
   /* Check if any bone matrices have negative determinants,
    * indicating negative scales, possibly due to mirroring
-   * operations.  Such matrices can't be propery converted
+   * operations.  Such matrices can't be properly converted
    * to Blender's axis/roll bone representation (see
    * https://projects.blender.org/blender/blender/issues/82930).
    * If we detect such matrices, we will flag an error and won't
    * try to import the animation, since the rotations would
-   * be incorrect in such cases.  Unfortunately, the Pixar
+   * be incorrect in such cases. Unfortunately, the Pixar
-   * UsdSkel examples of the "HumanFemale" suffer from
+   * `UsdSkel` examples of the "HumanFemale" suffer from
    * this issue. */
   bool negative_determinant = false;
 
@@ -903,9 +903,8 @@ void import_mesh_skel_bindings(Main *bmain, Object *mesh_obj, const pxr::UsdPrim
     return;
   }
 
-  /* Element size specifies the number of joints that might influece a given point.
+  /* Element size specifies the number of joints that might influence a given point.
-   * This is the stride we take when accessing the indices and weights for a
+   * This is the stride we take when accessing the indices and weights for a given point. */
-   * given point. */
   int joint_indices_elem_size = joint_indices_primvar.GetElementSize();
   int joint_weights_elem_size = joint_weights_primvar.GetElementSize();
 

source/blender/io/usd/intern/usd_skel_convert.h

@@ -18,9 +18,9 @@ namespace blender::io::usd {
 struct ImportSettings;
 
 /**
- * This file contains utilities for converting between UsdSkel data and
+ * This file contains utilities for converting between `UsdSkel` data and
  * Blender armatures and shape keys. The following is a reference on the
- * UsdSkel API:
+ * `UsdSkel` API:
  *
  * https://openusd.org/23.05/api/usd_skel_page_front.html
  */
@@ -34,7 +34,7 @@ struct ImportSettings;
  *
  * \param bmain: Main pointer
  * \param mesh_obj: Mesh object to which imported shape keys will be added
- * \param prim: The USD primitive from which blendshapes will be imported
+ * \param prim: The USD primitive from which blend-shapes will be imported
  * \param import_anim: Whether to import time-sampled weights as shape key
  *                     animation curves
  */
@@ -49,7 +49,7 @@ void import_blendshapes(Main *bmain,
  * imported as bone animation curves.
  *
  * \param bmain: Main pointer
- * \param arm_obj: Armature object to which the bone hierachy will be added
+ * \param arm_obj: Armature object to which the bone hierarchy will be added
  * \param skel: The USD skeleton from which bones and animation will be imported
  * \param import_anim: Whether to import time-sampled joint transforms as bone
  *                     animation curves

source/blender/simulation/intern/implicit_blender.cc

@@ -791,16 +791,16 @@ static int cg_filtered(lfVector *ldV, fmatrix3x3 *lA, lfVector *lB, lfVector *z,
 
     a = s / dot_lfvector(d, q, numverts);
 
-    /* X = X + d*a; */
+    /* `X = X + d*a;` */
     add_lfvector_lfvectorS(ldV, ldV, d, a, numverts);
 
-    /* r = r - q*a; */
+    /* `r = r - q*a;` */
     sub_lfvector_lfvectorS(r, r, q, a, numverts);
 
     s_prev = s;
     s = dot_lfvector(r, r, numverts);
 
-    // d = r+d*(s/s_prev);
+    /* `d = r+d*(s/s_prev);` */
     add_lfvector_lfvectorS(d, r, d, (s / s_prev), numverts);
 
     filter(d, S);

source/blender/windowmanager/intern/wm_window.cc

@@ -1517,7 +1517,7 @@ static bool ghost_event_proc(GHOST_EventHandle evt, GHOST_TUserDataPtr C_void_pt
             int icon = ED_file_extension_icon((char *)stra->strings[a]);
             wmDragPath *path_data = WM_drag_create_path_data((char *)stra->strings[a]);
             WM_event_start_drag(C, icon, WM_DRAG_PATH, path_data, 0.0, WM_DRAG_NOP);
-            /* void poin should point to string, it makes a copy */
+            /* Void pointer should point to string, it makes a copy. */
             break; /* only one drop element supported now */
           }
         }

tools/check_source/check_spelling_c_config.py

@@ -87,6 +87,7 @@ dict_custom = {
     "decrement",
     "decrementing",
     "deduplicate",
+    "deduplicated",
     "deduplicates",
     "deduplicating",
     "deduplication",