Use ibus-typing-booster in a Gnome session to type into gedit.
Type "test . " (i.e. t e s t space . space)
1) In a Gnome Wayland session the result is: "test . "
That means the output is exactly as typed.
2) In a Gnome Xorg session the result is: "test. "
Here, surrounding text is used to detect that a period has been
added, apparently to end a sentence, therefore the whitespace
between that period and the last word of the sentence is removed.
The surrounding text feature is used to do that.
In the Gnome Wayland session, this does not work as the support
for surrounding text is apparently broken.
I noticed https://gitlab.gnome.org/GNOME/gnome-shell/commit/443db2d29f9ec284fc41682231bca60f06b39fb4
This bug is also caused by broken surrounding text:
(In reply to fujiwara from comment #1)
> I noticed
That patch seems to be included in gnome-shell-3.30.1 but surrounding
text is still broken, this bug reported here still exists and also
the bug mentioned in comment#2 still exists.
Thank you for the check. I was thinking the reporting date would be a little late for f29.
Sorry for the late response. I filed the upstream bug and patches.
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