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RE: About the :distant-foreground face attribute

From: Drew Adams
Subject: RE: About the :distant-foreground face attribute
Date: Wed, 8 Jan 2014 09:08:34 -0800 (PST)

> 1) Font lock uses faces with specified fore- and background.
> 2) When text is marked with the mouse, the region face is applied on
>    (overrides) the font lock face.

As it should.

> 3) If the region face blindly uses the foreground from the region
>    face (as per your suggestion), for example gtk_selection_fg_color,
>    font lock is lost.  That is what bug 15668 is about.

Font lock is not "lost".  Font-lock highlighting is covered by the
region highlighting.  And that is what should happen.  This "bug"
should not have been "fixed", IMHO.

This is what text selection highlighting is all about.  A user needs
to be able to see which text is highlighted - each selected char.

And you should not assume that font-locking affects only foregrounds.
Are you going to make the same "fix" for backgrounds also, so that
selecting text lets font-locked (or otherwise highlighted) backgrounds
show through the region highlighting?  And if font locking highlights
both the foreground and background of a character?  Bingo - you cannot
see which text you have selected.

This kind of change seems so misguided.  Hard to believe we've
arrived here.

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