Cleanup: spelling

intern/cycles/render/osl.cpp

@@ -76,9 +76,9 @@ OSLShaderManager::~OSLShaderManager()
 void OSLShaderManager::free_memory()
 {
 #  ifdef OSL_HAS_BLENDER_CLEANUP_FIX
-  /* There is a problem with llvm+osl: The order global destructors across
+  /* There is a problem with LLVM+OSL: The order global destructors across
    * different compilation units run cannot be guaranteed, on windows this means
-   * that the llvm destructors run before the osl destructors, causing a crash
+   * that the LLVM destructors run before the osl destructors, causing a crash
    * when the process exits. the OSL in svn has a special cleanup hack to
    * sidestep this behavior */
   OSL::pvt::LLVM_Util::Cleanup();

intern/ghost/intern/GHOST_SystemCocoa.mm

@@ -1599,7 +1599,7 @@ GHOST_TSuccess GHOST_SystemCocoa::handleMouseEvent(void *eventPtr)
             window->getClientBounds(bounds);
 
           /* Switch back to Cocoa coordinates orientation
-           * (y=0 at bottom, the same as blender internal btw!), and to client coordinates. */
+           * (y=0 at bottom, the same as blender internal BTW!), and to client coordinates. */
           window->getClientBounds(windowBounds);
           window->screenToClient(bounds.m_l, bounds.m_b, correctedBounds.m_l, correctedBounds.m_t);
           window->screenToClient(bounds.m_r, bounds.m_t, correctedBounds.m_r, correctedBounds.m_b);

intern/ghost/intern/GHOST_SystemSDL.cpp

@@ -255,8 +255,8 @@ static GHOST_TKey convertSDLKey(SDL_Scancode key)
 
       /* keypad events */
 
-      /* note, sdl defines a bunch of kp defines I never saw before like
-       * SDL_SCANCODE_KP_PERCENT, SDL_SCANCODE_KP_XOR - campbell */
+      /* NOTE: SDL defines a bunch of key-pad identifiers that aren't supported by GHOST,
+       * such as #SDL_SCANCODE_KP_PERCENT, #SDL_SCANCODE_KP_XOR. */
       GXMAP(type, SDL_SCANCODE_KP_0, GHOST_kKeyNumpad0);
       GXMAP(type, SDL_SCANCODE_KP_1, GHOST_kKeyNumpad1);
       GXMAP(type, SDL_SCANCODE_KP_2, GHOST_kKeyNumpad2);

intern/ghost/intern/GHOST_SystemWin32.h

@@ -354,7 +354,7 @@ class GHOST_SystemWin32 : public GHOST_System {
    * Process special keys (VK_OEM_*), to see if current key layout
    * gives us anything special, like ! on french AZERTY.
    * \param vKey      The virtual key from hardKey
-   * \param scanCode  The ScanCode of pressed key (simular to PS/2 Set 1)
+   * \param scanCode  The ScanCode of pressed key (similar to PS/2 Set 1)
    */
   GHOST_TKey processSpecialKey(short vKey, short scanCode) const;
 

source/blender/blenkernel/intern/customdata.c

@@ -3000,9 +3000,9 @@ void CustomData_free_elem(CustomData *data, int index, int count)
  * \param weights: The weight to apply to each source value individually. If NULL, they will be
  * averaged.
  * \param sub_weights: The weights of sub-items, only used to affect each corners of a
- * tesselated face data (should alwasy be and array of four values).
+ * tessellated face data (should always be and array of four values).
  * \param count: The number of source items to interpolate.
- * \param dest_index: Index of the destination item, in ahich to put the result of the
+ * \param dest_index: Index of the destination item, in which to put the result of the
  * interpolation.
  */
 void CustomData_interp(const CustomData *source,