Opengles `glMapBufferRange` page has link to `glUnmapBuffer`, but click it get `The requested URL was not found on this server.`

[shutaozhenzhen]

Opengles glMapBufferRange page has link to glUnmapBuffer, but click it get The requested URL was not found on this server.

In fact, glUnmapBuffer is just at the same page of glMapBufferRange