From: Alp Aker <alptekin.aker@gmail.com>
To: Eli Zaretskii <eliz@gnu.org>
Cc: 18417@debbugs.gnu.org, Dmitry Gutov <dgutov@yandex.ru>
Subject: bug#18417: 24.3.93; posn-at-point confused by fill-column-indicator
Date: Sun, 7 Sep 2014 15:52:34 -0400 [thread overview]
Message-ID: <CACxch4pJF1HhtpRM_CXOJfRw_F1ytFkkzEPqUJ=i8gz8Zo3_rQ@mail.gmail.com> (raw)
In-Reply-To: <83zjebb4i2.fsf@gnu.org>
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> There are 2 special characters, u+e000 and u+e001, each one has a
> display-table setting to display it as something else, then there's an
> empty overlay with an after-string made of these special characters
> that has a display property with :align-to, followed by an image...
> And I'm not sure I listed all of the "features". (The 'cursor'
> property I omitted intentionally, because I believe I know why they
> are needed.) Why each one of these is needed?
At least some of that is cruft, as at one point I was trying to support all
of v22, v23, and v24, and there were various differences in the behavior of
overlay-strings (as well as the 'cursor property) among those versions.
I'll try to simplify the implementation and see if I can come up with
something that doesn't trigger any UB in the display engine.
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next prev parent reply other threads:[~2014-09-07 19:52 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-09-06 9:43 bug#18417: 24.3.93; posn-at-point confused by fill-column-indicator Dmitry
2014-09-07 17:22 ` Eli Zaretskii
2014-09-07 18:55 ` Dmitry Gutov
2014-09-07 19:43 ` Eli Zaretskii
2014-09-07 19:52 ` Alp Aker [this message]
2014-09-07 19:56 ` Eli Zaretskii
2014-09-08 3:11 ` Alp Aker
2014-09-09 14:38 ` Eli Zaretskii
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