Colliding paths on case-insensitive filesystem

[hazeycode]

Cloning into 'sdlwiki'...
remote: Enumerating objects: 112331, done.
remote: Counting objects: 100% (850/850), done.
remote: Compressing objects: 100% (188/188), done.
remote: Total 112331 (delta 744), reused 662 (delta 662), pack-reused 111481 (from 4)
Receiving objects: 100% (112331/112331), 23.07 MiB | 17.62 MiB/s, done.
Resolving deltas: 100% (96050/96050), done.
warning: the following paths have collided (e.g. case-sensitive paths
on a case-insensitive filesystem) and only one from the same
colliding group is in the working tree:

  'SDL2/SDL_DISPLAYEVENT.md'
  'SDL2/SDL_DisplayEvent.md'
  'SDL2/SDL_KeyCode.md'
  'SDL2/SDL_Keycode.md'
  'SDL2/SDL_QUIT.md'
  'SDL2/SDL_Quit.md'
  'SDL2/SDL_SENSORUPDATE.md'
  'SDL2/SDL_SensorUpdate.md'
  'SDL2/SDL_SYSWMEVENT.md'
  'SDL2/SDL_SysWMEvent.md'
  'SDL2/SDL_USEREVENT.md'
  'SDL2/SDL_UserEvent.md'
  'SDL2/SDL_VERSION.md'
  'SDL2/SDL_version.md'
  'SDL2/SDL_WINDOWEVENT.md'
  'SDL2/SDL_WindowEvent.md'
  'SDL3/SDL_Log.md'
  'SDL3/SDL_log.md'
  'SDL3/SDL_MALLOC.md'
  'SDL3/SDL_malloc.md'
  'SDL3/SDL_PIXELTYPE.md'
  'SDL3/SDL_PixelType.md'
  'SDL3/SDL_PRILLX.md'
  'SDL3/SDL_PRILLx.md'
  'SDL3/SDL_PRIX32.md'
  'SDL3/SDL_PRIx32.md'
  'SDL3/SDL_PRIX64.md'
  'SDL3/SDL_PRIx64.md'

[icculus]

We're unlikely to fix this for wiki development (but we probably have to look at the offline html, which likely has a similar problem).