original riched20.dll.

old_end < start < end < old_start.
Reset EF_UPDATE flag after we've sent the update.

using a heuristic based on mouse and expose events.

existing 'A' versions with calls to the 'W' versions.

ANIMATE_DrawFrame shouldn't worry about locking, the lock should be
held by the caller.

work right anyway.

URL_IS_OPAQUE results depend only on the scheme, not on the URL.
URL_IS_FILEURL also only depends on the scheme ("file:").

are really stdcall).

instead of destination path.

Store and use hwndSelf in the PAGER_INFO.
Pass the infoPtr around instead of hwnd.
Use proper types in the function signatures.
Fix a few return statements.

- Display REG_MULTI_SZ values.
- Make the lack of support for certain value types more noticeable to
  the user.

- Make key renaming fail if the destination key already exists.
- Better error recovery in the case where SHCopyKey fails.

Add documentation for ea_buffer and ea_length.

dwLinearSize.