Cleanup: spelling in comments

source/blender/blenlib/BLI_build_config.h

@@ -41,7 +41,7 @@
  * The commonly detected CPU capabilities are:
  * - Family: `ARCH_CPU_<FAMILY>_FAMILY`
  * - CPU bitness: `ARCH_CPU_<32|64>_BITS`
- * - Endianess: `ARCH_CPU_<LITTLE|BIG>_ENDIAN`
+ * - Endianness: `ARCH_CPU_<LITTLE|BIG>_ENDIAN`
  *
  * Supported CPU families: X86, S390, PPC, ARM, MIPS.
  */
@@ -50,9 +50,9 @@
 
 /**
  * All commonly used symbols (which are checked on a "top" level, from outside of any
- * platform-specific ifdef block) are to be explicitly defined to 0 when they are not "active".
+ * platform-specific `ifdef` block) are to be explicitly defined to 0 when they are not "active".
  * Such an approach helps catching cases when one is attempted to access build configuration
- * variable without including the header by simply using the -Wundef compiler attribute.
+ * variable without including the header by simply using the `-Wundef` compiler attribute.
  */
 
 /* -------------------------------------------------------------------- */
@@ -62,7 +62,7 @@
 #if defined(__native_client__)
 /* __native_client__ must be first, so that other OS_ defines are not set. */
 #  define OS_NACL 1
-/* OS_NACL comes in two sandboxing technology flavors, SFI or Non-SFI. PNaCl toolchain defines
+/* OS_NACL comes in two sand-boxing technology flavors, SFI or Non-SFI. PNaCl toolchain defines
  * __native_client_nonsfi__ macro in Non-SFI build mode, while it does not in SFI build mode. */
 #  if defined(__native_client_nonsfi__)
 #    define OS_NACL_NONSFI
@@ -75,7 +75,7 @@
 #  define OS_ANDROID 1
 #elif defined(__APPLE__)
 /* Only include TargetConditions after testing ANDROID as some android builds on mac don't have
- * this header available and it's not needed unless the target is really mac/ios. */
+ * this header available and it's not needed unless the target is really mac/IOS. */
 #  include <TargetConditionals.h>
 #  define OS_MAC 1
 #  if defined(TARGET_OS_IPHONE) && TARGET_OS_IPHONE
@@ -87,10 +87,10 @@
 #  define OS_HPUX 1
 #elif defined(__linux__)
 #  define OS_LINUX 1
-/* Include a system header to pull in features.h for glibc/uclibc macros. */
+/* Include a system header to pull in features.h for GLIBC/UCLIBC macros. */
 #  include <unistd.h>
 #  if defined(__GLIBC__) && !defined(__UCLIBC__)
-/* We really are using glibc, not uClibc pretending to be glibc. */
+/* We really are using GLIBC, not UCLIBC pretending to be GLIBC. */
 #    define LIBC_GLIBC 1
 #  endif
 #elif defined(__sgi)

source/blender/blenloader/intern/readfile.cc

@@ -1800,7 +1800,7 @@ static void *read_struct(FileData *fd, BHead *bh, const char *blockname, const i
     BHead *bh_orig = bh;
 #endif
 
-    /* Endianess switch is based on file DNA.
+    /* Endianness switch is based on file DNA.
      *
      * NOTE: raw data (aka #SDNA_RAW_DATA_STRUCT_INDEX #SDNAnr) is not handled here, it's up to
      * the calling code to manage this. */

source/blender/draw/engines/overlay/overlay_next_antialiasing.hh

@@ -5,7 +5,7 @@
 /** \file
  * \ingroup draw_engine
  *
- * Overlay antialiasing:
+ * Overlay anti-aliasing:
  *
  * Most of the overlays are wires which causes a lot of flickering in motions
  * due to aliasing problems.

source/blender/draw/engines/overlay/shaders/overlay_edit_mesh_face_vert.glsl

@@ -11,7 +11,7 @@ void main()
   vert_in.lN = vnor;
   vert_in.e_data = data;
 
-  /* Vertex, Facedot and Face case. */
+  /* Vertex, Face-dot and Face case. */
   VertOut vert_out = vertex_main(vert_in);
 
   gl_Position = vert_out.gpu_position;

source/blender/draw/engines/overlay/shaders/overlay_edit_mesh_facedot_vert.glsl

@@ -11,7 +11,7 @@ void main()
   vert_in.lN = vnor;
   vert_in.e_data = data;
 
-  /* Vertex, Facedot and Face case. */
+  /* Vertex, Face-dot and Face case. */
   VertOut vert_out = vertex_main(vert_in);
 
   gl_Position = vert_out.gpu_position;

source/blender/draw/engines/overlay/shaders/overlay_edit_mesh_vertex_vert.glsl

@@ -11,7 +11,7 @@ void main()
   vert_in.lN = vnor;
   vert_in.e_data = data;
 
-  /* Vertex, Facedot and Face case. */
+  /* Vertex, Face-dot and Face case. */
   VertOut vert_out = vertex_main(vert_in);
 
   gl_Position = vert_out.gpu_position;

source/blender/draw/engines/workbench/shaders/workbench_shadow_caps_vert.glsl

@@ -5,7 +5,7 @@
 /**
  * Render shadow casters extrusion caps.
  * Manifold meshes generate caps for triangles facing the light.
- * Non-Manifold meshes generate caps for all triangles and invert the winding for backfacing ones.
+ * Non-Manifold meshes generate caps for all triangles and invert the winding for back-facing ones.
  *
  * This shader uses triangle primitive to know the geometric normals of a triangle.
  * Two triangles are generated for each original triangle facing the light. One in front of the

source/blender/editors/sculpt_paint/mesh_brush_common.hh

@@ -348,7 +348,7 @@ void project_translations(MutableSpan<float3> translations, const float3 &plane)
  * translations. This is used for tools that calculate new positions based on the original
  * positions for the entirety of an operation. Conceptually this is the same as resetting the
  * positions before each step of the operation, but combining that into the same loop should be
- * preferrable for performance.
+ * preferable for performance.
  */
 void reset_translations_to_original(MutableSpan<float3> translations,
                                     Span<float3> positions,

source/blender/editors/sculpt_paint/sculpt.cc

@@ -135,8 +135,8 @@ bool report_if_shape_key_is_locked(const Object &ob, ReportList *reports)
 /* -------------------------------------------------------------------- */
 /** \name Sculpt bke::pbvh::Tree Abstraction API
  *
- * This is read-only, for writing use bke::pbvh::Tree vertex iterators. There vd.index matches
- * the indices used here.
+ * This is read-only, for writing use #bke::pbvh::Tree vertex iterators.
+ * There `vd.index` matches the indices used here.
  *
  * For multi-resolution, the same vertex in multiple grids is counted multiple times, with
  * different index for each grid.

source/blender/makesdna/DNA_sdna_types.h

@@ -134,7 +134,7 @@ typedef struct SDNA {
 /**
  * The struct index representing type-less bytes buffers.
  *
- * Although code has historically (pre-4.3) be fairly flacky (logically incorrect, see inline
+ * Although code has historically (pre-4.3) be fairly flaky (logically incorrect, see inline
  * code-comments for #DNA_struct_get_compareflags regarding this), most of read/write blend-file
  * code would assume that the `0` value was raw data, so keep it at this value.
  */

tools/check_source/check_spelling_config.py

@@ -404,6 +404,7 @@ dict_custom = {
     "thumbstick",
     "tokenize",
     "tokenizing",
+    "toolchain",
     "trackpad",
     "transcode",
     "transmissive",