OverStrike control character

Peter Constable pgcon6 at msn.com
Wed Jun 17 18:54:57 CDT 2020


Except that BS is not a graphic character that will get a glyph with default metrics and potential interaction with other glyphs.


Peter

-----Original Message-----
From: Unicode <unicode-bounces at unicode.org> On Behalf Of abrahamgross--- via Unicode
Sent: Wednesday, June 17, 2020 7:45 AM
To: unicode at unicode.org
Subject: RE: OverStrike control character

Then theres no problem with the advance width changes that overstriking will do (e.g. l←m)

2020/06/16 午後7:02:02 Peter Constable via Unicode <unicode at unicode.org>:

> For most scripts-and for Latin or Greek script with any support for typographic features-the engine needs to resolve what are all the glyph IDs in a run before it can start determining advance widths / positioning. And to do the latter, it will start with default advance widths and positions for all the glyphs but then apply position actions that could revise any advance width or position.
> 




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