Cleanup: spelling in comments & duplicate terms (check_spelling.py)

Also minor clarification in doc-string.

build_files/build_environment/cmake/python.cmake

@@ -140,8 +140,8 @@ else()
     export ZLIB_LIBS=${LIBDIR}/zlib/lib/${ZLIB_LIBRARY}
   )
 
-  # This patch indludes changes to fix missing -lm for sqlite and and fix the order of
-  # -ldl flags for ssl to avoid link errors.
+  # This patch includes changes to fix missing `-lm` for SQLITE
+  # and fix the order of `-ldl` flags for SSL to avoid link errors.
   if(APPLE)
     set(PYTHON_PATCH
       ${PATCH_CMD} --verbose -p1 -d

build_files/build_environment/cmake/setup_msys2.cmake

@@ -113,7 +113,7 @@ if((NOT EXISTS "${DOWNLOAD_DIR}/msys2/msys64/msys2_shell.cmd") AND
   )
 
   # Do initial upgrade of pacman packages (only required for initial setup, to get
-  # latest packages as opposed to to what the installer comes with)
+  # latest packages as opposed to what the installer comes with).
   execute_process(
     COMMAND ${DOWNLOAD_DIR}/msys2/msys64/msys2_shell.cmd -defterm -no-start -clang64 -c
       "pacman -Sy --noconfirm && exit"

build_files/build_environment/cmake/versions.cmake

@@ -1178,7 +1178,7 @@ set(IGC_LLVM_HOMEPAGE https://github.com/llvm/llvm-project/)
 set(IGC_LLVM_LICENSE SPDX:Apache-2.0 WITH LLVM-exception)
 set(IGC_LLVM_COPYRIGHT "Copyright (c) 2003-2019 University of Illinois at Urbana-Champaign. All rights reserved.")
 
-# WARNING WARNING WARNING
+# ******* WARNING *******
 #
 # IGC_OPENCL_CLANG contains patches for some of its dependencies.
 #
@@ -1186,7 +1186,7 @@ set(IGC_LLVM_COPYRIGHT "Copyright (c) 2003-2019 University of Illinois at Urbana
 # IGC_OPENCL_CLANG's patches folder and update igc.cmake to account for
 # any added or removed patches.
 #
-# WARNING WARNING WARNING
+# ******* WARNING *******
 
 set(IGC_OPENCL_CLANG_VERSION v14.0.1)
 set(IGC_OPENCL_CLANG_URI https://github.com/intel/opencl-clang/archive/${IGC_OPENCL_CLANG_VERSION}.tar.gz)

build_files/build_environment/windows/vmprep.cmd.txt

@@ -46,14 +46,14 @@ echo #
 echo # Since this will download and install a whole bunch of stuff the following
 echo # disclamer is seemingly required:
 echo # 
-echo # *WARNING WARNING WARNING*
-echo # *WARNING WARNING WARNING*
+echo # ******* WARNING *******
+echo # ******* WARNING *******
 echo # 
 echo # DO NOT RUN THIS ON ANYTHING BUT A CLEAN WINDOWS INSTALL, IF YOU DO, AND IT
 echo # MESSES UP YOUR WORKSTATION, THATS ON YOU...
 echo # 
-echo # *WARNING WARNING WARNING*
-echo # *WARNING WARNING WARNING*
+echo # ******* WARNING *******
+echo # ******* WARNING *******
 echo #
 echo # hit ctrl-break right now to abort.. last chance
 echo #

build_files/cmake/platform/platform_win32.cmake

@@ -226,7 +226,7 @@ if(NOT MSVC_CLANG)
   string(APPEND CMAKE_CXX_FLAGS " /permissive- /Zc:__cplusplus /Zc:inline")
   string(APPEND CMAKE_C_FLAGS   " /Zc:inline")
 
-  # For VS2022+ we can enable the the new preprocessor
+  # For VS2022+ we can enable the new preprocessor
   if(CMAKE_CXX_COMPILER_VERSION VERSION_GREATER_EQUAL 19.30.30423)
     string(APPEND CMAKE_CXX_FLAGS " /Zc:preprocessor")
     string(APPEND CMAKE_C_FLAGS " /Zc:preprocessor")

build_files/utils/make_bpy_wheel.py

@@ -201,7 +201,7 @@ def main() -> None:
         platform_tag = "macosx_%d_%d_%s" % (target_major, target_minor, machine)
     elif sys.platform == "win32":
         # Workaround for Python process running in a virtualized environment on Windows-on-Arm:
-        # use the actual processor architecture instead of the the virtualized one.
+        # use the actual processor architecture instead of the virtualized one.
         #
         # The win_arm64 matches the behavior when native WoA Python is used, and also matches
         # sysconfig.get_platform() from a native Python build (although it returns win-arm64 with a

build_files/utils/make_update.py

@@ -47,7 +47,7 @@ def print_stage(text: str) -> None:
 
 def parse_arguments() -> argparse.Namespace:
     """
-    Parse command line line arguments.
+    Parse command line arguments.
 
     Returns parsed object from which the command line arguments can be accessed
     as properties. The name of the properties matches the command line argument,

build_files/utils/make_utils.py

@@ -209,14 +209,15 @@ def is_git_submodule_enabled(git_command: str, submodule_dir: Path) -> bool:
     if not path:
         return False
 
-    # When the "update" strategy is not provided explicitly in the the local configuration
+    # When the "update" strategy is not provided explicitly in the local configuration
     # `git config` returns a non-zero exit code. For those assume the default "checkout"
     # strategy.
     update = check_output(
         (git_command, "config", "--local", _git_submodule_config_key(submodule_dir, "update")),
         exit_on_error=False)
     if update == "":
-        # The repo is not in our local config. Check the default .gitmodules setting.
+        # The repository is not in our local configuration.
+        # Check the default `.gitmodules` setting.
         update = check_output(
             (git_command, "config", "--file", str(gitmodules), _git_submodule_config_key(submodule_dir, "update")),
             exit_on_error=False)

doc/python_api/rst_from_bmesh_opdefines.py

@@ -318,7 +318,7 @@ def main():
                         tp_str = ":class:`bpy.types.Mesh`"
                     elif tp_sub == BMO_OP_SLOT_SUBTYPE_PTR_STRUCT:
                         # XXX Used for CurveProfile only currently I think (bevel code),
-                        #     but think the idea is that that pointer is for any type?
+                        #     but think the idea is that pointer is for any type?
                         tp_str = ":class:`bpy.types.bpy_struct`"
                     else:
                         assert False, "unreachable, unknown type {!r}".format(vars_dict_reverse[tp_sub])

intern/cycles/kernel/osl/closures.cpp

@@ -298,7 +298,7 @@ packed_float3 osl_eval_camera(const ThreadKernelGlobalsCPU *kg,
     return zero_spectrum();
   }
 
-  /* Setup shader globals from from the sensor position. */
+  /* Setup shader globals from the sensor position. */
   cameradata_to_shaderglobals(sensor, dSdx, dSdy, rand_lens, &kg->osl.shader_globals);
 
   /* Clear trace data. */

intern/ghost/intern/GHOST_ContextVK.cc

@@ -116,7 +116,7 @@ static bool contains_extension(const vector<VkExtensionProperties> &extension_li
 };
 
 /* -------------------------------------------------------------------- */
-/** \name Swapchain resources
+/** \name Swap-chain resources
  * \{ */
 
 void GHOST_SwapchainImage::destroy(VkDevice vk_device)

intern/opensubdiv/opensubdiv_converter_capi.hh

@@ -75,13 +75,13 @@ struct OpenSubdiv_Converter {
 
   // Number of edges which are adjacent to the given vertex.
   int (*getNumVertexEdges)(const OpenSubdiv_Converter *converter, const int vertex_index);
-  // Array fo edge indices which are adjacent to the given vertex.
+  // Array for edge indices which are adjacent to the given vertex.
   void (*getVertexEdges)(const OpenSubdiv_Converter *converter,
                          const int vertex_index,
                          int *vertex_edges);
   // Number of faces which are adjacent to the given vertex.
   int (*getNumVertexFaces)(const OpenSubdiv_Converter *converter, const int vertex_index);
-  // Array fo face indices which are adjacent to the given vertex.
+  // Array for face indices which are adjacent to the given vertex.
   void (*getVertexFaces)(const OpenSubdiv_Converter *converter,
                          const int vertex_index,
                          int *vertex_faces);

scripts/startup/bl_operators/uvcalc_lightmap.py

@@ -598,7 +598,7 @@ class LightMapPack(Operator):
     # Proper solution would be to make undo stack aware of such things,
     # but for now just disable redo. Keep undo here so unwanted changes to uv
     # coords might be undone.
-    # This fixes infinite image creation reported there #30968 (sergey)
+    # NOTE(@sergey): This fixes infinite image creation reported there #30968.
     bl_options = {'UNDO'}
 
     PREF_CONTEXT: bpy.props.EnumProperty(

source/blender/blenkernel/intern/path_templates.cc

@@ -278,7 +278,7 @@ struct Token {
    * the path string. */
   blender::IndexRange byte_range;
 
-  /* Reference to the the variable name as written in the template string. Note
+  /* Reference to the variable name as written in the template string. Note
    * that this points into the template string, and does not own the value.
    *
    * Only relevant when `type == VARIABLE_EXPRESSION`. */

source/blender/blenlib/intern/array_store_rle.cc

@@ -12,7 +12,7 @@
  * (which doesn't de-duplicate so well).
  *
  * Intended for byte arrays as there is no special logic to handle alignment.
- * Note that this this could be supported and would be useful to de-duplicate
+ * Note that this could be supported and would be useful to de-duplicate
  * repeating patterns of non-byte data.
  *
  * Notes:

source/blender/editors/curve/editfont.cc

@@ -409,13 +409,13 @@ static void text_update_edited(bContext *C, Object *obedit, const eEditFontMode
 
   BLI_assert(ef->len >= 0);
 
-  /* run update first since it can move the cursor */
+  /* Run update first since it can move the cursor. */
   if (mode == FO_EDIT) {
-    /* re-tesselllate */
+    /* Re-tessellate. */
     DEG_id_tag_update(static_cast<ID *>(obedit->data), 0);
   }
   else {
-    /* depsgraph runs above, but since we're not tagging for update, call direct */
+    /* Depsgraph runs above, but since we're not tagging for update, call directly. */
     /* We need evaluated data here. */
     Depsgraph *depsgraph = CTX_data_ensure_evaluated_depsgraph(C);
     BKE_vfont_to_curve(DEG_get_evaluated(depsgraph, obedit), mode);

source/blender/editors/include/ED_object.hh

@@ -71,7 +71,7 @@ blender::Vector<Object *> objects_in_mode_or_selected(
  * Set the active material by index.
  *
  * \param index: A zero based index. This will be clamped to the valid range.
- * \return true if the material changed.
+ * \return true if the material index changed.
  */
 bool material_active_index_set(Object *ob, int index);
 

source/blender/editors/space_node/node_group.cc

@@ -1383,7 +1383,7 @@ static bNode *node_group_make_from_node_declaration(bContext &C,
   gnode->id = &wrapper_group->id;
   id_us_plus(gnode->id);
 
-  /* Position node node exactly where the old node was. */
+  /* Position node exactly where the old node was. */
   gnode->parent = src_node.parent;
   gnode->width = src_node.width;
   copy_v2_v2(gnode->location, src_node.location);

source/blender/gpu/vulkan/vk_backend.cc

@@ -171,7 +171,7 @@ bool VKBackend::is_supported()
    * Disable implicit layers and only allow layers that we trust.
    *
    * Render doc layer is hidden behind a debug flag. There are malicious layers that impersonate
-   * renderdoc and can crash when loaded. See #139543
+   * RenderDoc and can crash when loaded. See #139543
    */
   std::stringstream allowed_layers;
   allowed_layers << "VK_LAYER_KHRONOS_*";

source/blender/makesdna/DNA_view3d_types.h

@@ -125,7 +125,7 @@ typedef struct RegionView3D {
 
   char ndof_flag;
   /**
-   * Rotation center used for for "Auto Orbit" (see #NDOF_ORBIT_CENTER_AUTO).
+   * Rotation center used for "Auto Orbit" (see #NDOF_ORBIT_CENTER_AUTO).
    * Any modification should be followed by adjusting #RegionView3D::dist
    * to prevent problems zooming in after navigation. See: #134732.
    */