richedit: Removed unused ME_Document structure.

[Dylan Smith]

On Mon, Feb 16, 2009 at 3:19 PM, James McKenzie
<jjmckenzie51 at earthlink.net>wrote:

> Would this be needed for EM_FORMATRANGE support or can this safely be
> removed.  Don't want to delete and then add back code.
>


This wouldn't be needed for EM_FORMATRANGE.  If it were to duplicate the
text to cache the formatting it could also use ME_TextBuffer, however the
previous patch sent for EM_FORMATRANGE didn't even use that, it just
duplicated a the text and stored the pointer to the linked list for the text
as local variables and destroyed them before returning from ME_FormatRange.

The easier way to handle this message would probably be to rewrap the text,
for the specified target device, and then rewrap it again to restore the
text before returning from ME_FormatRange.  This would then allow
ME_SETTARGETDEVICE to be implemented properly, and wouldn't be as bad as
duplicating all the text and destoying it while processing each
EM_FORMATRANGE message.

The wrapping code needs to be looked at first though, because currently it
is slow since it joins and splits runs each time it rewraps the text.
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