#35 patch SynEdit for MBCS

[vanilla610]

humm normal SynEdit looks better for me although i know u've stop supporting MBCS for SynEdit, not UniSynEdit.
I've encourtered the following problem.

MBCS chars is drawn incorretly when left-scrolling.
Look at attached images.

the patch for this might be very easy.

just draw at least 2 columns for MBCS or wider glyphs

Line 2362 at SynEdit.pas
nC2 := LeftChar +
(rcClip.Right - fGutterWidth - 2 + CharWidth - 1) div CharWidth;
----->
nC2 := LeftChar + 1
(rcClip.Right - fGutterWidth - 2 + CharWidth - 1) div CharWidth;

[vanilla610]

[vanilla610]

[vanilla610]

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and i've uploaded the resulted image.
this looks good.

i hope u patch this for synedit branch.

thx
File Added: SynEditLeftScrollingResult.jpg