https://bugs.kde.org/show_bug.cgi?id=474310
Bug ID: 474310
Summary: Konsole eats a space after most unqualified emojis
Classification: Applications
Product: konsole
Version: 23.08.0
Platform: Archlinux
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: general
Assignee: konsole-de...@kde.org
Reporter: adam.m.fontenot+...@gmail.com
Target Milestone: ---
Created attachment 161516
--> https://bugs.kde.org/attachment.cgi?id=161516&action=edit
screenshot of the problem
SUMMARY
The emoji handling in Konsole has recently been greatly improved (thanks for
this), but I found a nit in the handling of a particular class of emojis. I
think probably Konsole is not recognizing that these characters are emojis and
giving them the appropriate additional padding.
This problem occurs with all unqualified emojis unless (a) the emoji ends with
an emoji presentation selector (FE0F), or (b) the glyph is sufficiently wide to
force the font rendering engine to push the following character into the next
alignment box. The "wavy dash" emoji 〰️ is wide enough to do this at 10pt in
Noto Sans Emoji.
Some unqualified emoji are given a text rendering, e.g. the unqualified version
of the play button ▶️. In this case it is possible that the emoji will be
rendered in a monospace font appropriate for a terminal and as a result the
spacing will look correct, despite the fact that this could cause misalignment
with other columns for which wider spacing is enforced. It's not clear to me
what the correct behavior is, in this case.
(Note, all emoji in this bug report are fully qualified for better handling in
browsers and email clients. The bugs appear when the unqualified versions of
these emoji are used.)
STEPS TO REPRODUCE
1. curl -s https://www.unicode.org/Public/emoji/15.0/emoji-test.txt | grep
unqualified
OBSERVED RESULT
Most unqualified emoji are not given the extra space of padding that qualified
emoji receive.
EXPECTED RESULT
Unqualified emoji look the same as other emoji, at least if they are rendered
in the emoji font. (In other cases, correct behavior is more complicated, as
discussed above.)
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