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Re: tabulated-list-init-header and glyphless-char-display

From: Eli Zaretskii
Subject: Re: tabulated-list-init-header and glyphless-char-display
Date: Tue, 12 Apr 2011 19:45:21 +0300

> From: Chong Yidong <address@hidden>
> Cc: address@hidden, address@hidden
> Date: Tue, 12 Apr 2011 12:12:09 -0400
> Instead of changing the meaning of glyphless-char-display, it might be
> better to use a new char-table---say, fallback-display-table, by analogy
> with buffer-display-table.

I don't think using a display table is a good idea, because the
display engine handles display tables in quite a different way from
the glyphless-char-display support, and on a very different level.

> OTOH, it's also more complicated to implement than the text-property
> idea; the mapping must be done somewhere in get_next_display_element,
> just after we determine the font to use for a multibyte character,
> compared to just adding a few lines to x_produce_glyphs.  But I agree
> that it's probably a cleaner system.  I'll look into it.


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