The paragraph needed to be included in the parameters to avoid needing
traverse the linked list of display items to find the paragraph.

Prevents extra copying from having to be done for converting between
unicode/ascii or between the normal or extended version of the structure.

There are unsupported flags documented on MSDN which would cause problems
for the equality checks used in EM_SETCHARFORMAT.  Also, to handle a
combined set of flags they must be checked for in the right order.

The checks for the text length and invalid parameters needed to be swapped,
and the code could be easily simplified.

oleaut32: Don't invoke a function that has the restricted attribute or is part of an interface that's marked as restricted.

To avoid having to interpolate infinities over fragments.

The only place MERF_SKIPPED was in debug code, and MERF_CALCBYWRAP was only
used to clear this unused flag value, so I got rid of both of them.

ME_StreamInText is only used in one function, ME_StreamIn, which always
calls ME_CommitUndo and ME_UpdateRepaint after calling this function.