Sync SDL2 wiki -> header

include/SDL_audio.h

@@ -151,16 +151,9 @@ typedef Uint16 SDL_AudioFormat;
 /**
  * This function is called when the audio device needs more data.
  *
- *  \param userdata An application-specific parameter saved in
+ * \param userdata An application-specific parameter saved in the
- *                  the SDL_AudioSpec structure
+ *                 SDL_AudioSpec structure
  * \param stream A pointer to the audio data buffer.
- *  \param len    The length of that buffer in bytes.
- *
- *  Once the callback returns, the buffer will no longer be valid.
- *  Stereo samples are stored in a LRLRLR ordering.
- *
- *  You can choose to avoid callbacks and use SDL_QueueAudio() instead, if
- *  you like. Just open your audio device with a NULL callback.
  */
 typedef void (SDLCALL * SDL_AudioCallback) (void *userdata, Uint8 * stream,
                                             int len);

include/SDL_events.h

@@ -271,12 +271,12 @@ typedef struct SDL_TextEditingExtEvent
  * Keyboard text input event structure (event.text.*)
  *
  * `text` is limited to SDL_TEXTINPUTEVENT_TEXT_SIZE bytes. If the incoming
- * string is larger than this, SDL will split it and send it in pieces,
+ * string is larger than this, SDL will split it and send it in pieces, across
- * across multiple events. The string is in UTF-8 format, and if split, SDL
+ * multiple events. The string is in UTF-8 format, and if split, SDL
- * guarantees that it will not split in the middle of a UTF-8 sequence, so
+ * guarantees that it will not split in the middle of a UTF-8 sequence, so any
- * any event will only contain complete codepoints. However, if there are
+ * event will only contain complete codepoints. However, if there are several
- * several codepoints that go together into a single glyph (like an emoji
+ * codepoints that go together into a single glyph (like an emoji "thumbs up"
- * "thumbs up" followed by a skin color), they may be split between events.
+ * followed by a skin color), they may be split between events.
  */
 typedef struct SDL_TextInputEvent
 {

include/SDL_joystick.h

@@ -798,8 +798,8 @@ extern DECLSPEC void SDLCALL SDL_JoystickUpdate(void);
  * `SDL_ENABLE`, this function accepts any value, with any non-zero value that
  * isn't `SDL_QUERY` being treated as `SDL_ENABLE`.
  *
- * If SDL was built with events disabled (extremely uncommon!), this will
+ * If SDL was built with events disabled (extremely uncommon!), this will do
- * do nothing and always return `SDL_IGNORE`.
+ * nothing and always return `SDL_IGNORE`.
  *
  * \param state can be one of `SDL_QUERY`, `SDL_IGNORE`, or `SDL_ENABLE`
  * \returns If `state` is `SDL_QUERY` then the current state is returned,

include/SDL_surface.h

@@ -97,7 +97,7 @@ typedef struct SDL_Surface
 } SDL_Surface;
 
 /**
- * \brief The type of function used for surface blitting functions.
+ * The type of function used for surface blitting functions.
  */
 typedef int (SDLCALL *SDL_blit) (struct SDL_Surface * src, SDL_Rect * srcrect,
                                  struct SDL_Surface * dst, SDL_Rect * dstrect);

include/SDL_video.h

@@ -770,7 +770,7 @@ extern DECLSPEC Uint32 SDLCALL SDL_GetWindowPixelFormat(SDL_Window * window);
  * \param w the width of the window, in screen coordinates
  * \param h the height of the window, in screen coordinates
  * \param flags 0, or one or more SDL_WindowFlags OR'd together
- * \returns the window that was created or NULL on failure; call
+ * \returns the `SDL_Window` that was created or NULL on failure; call
  *          SDL_GetError() for more information.
  *
  * \since This function is available since SDL 2.0.0.