Public bug reported:
Package: emacs
Version: 1:26.1+1-3.2ubuntu2
How to reproduce:
1) Run emacs-gtk
2) Enter the text in the title ("long rightwards double arrow ⟹ should
be longer and rightwards double arrow ⇒ should be shorter") into the
scratch buffer
3) Observe that ⟹ (U+21D2) is shown short and ⇒ (U+27F9) is shown long
in the emacs buffer (cf. the attachment). But it should be the other
way round!
M-x describe-font [Enter][Enter] returns the following:
name (opened by): -DAMA-Ubuntu
Mono-normal-normal-normal-*-13-*-*-*-m-0-iso10646-1
full name: Ubuntu
Mono:pixelsize=13:foundry=DAMA:weight=normal:slant=normal:width=normal:spacing=100:scalable=true
file name: /usr/share/fonts/truetype/ubuntu/UbuntuMono-R.ttf
size: 13
height: 14
baseline-offset: 0
relative-compose: 0
default-ascent: 0
ascent: 11
descent: 3
average-width: 7
space-width: 7
max-width: 7
I see the symbol width as expected in the character table for the font
Ubuntu Mono, therefore, I personally don't say that the font is guilty,
though the reader may do it if they think otherwise.
$ lsb_release -rd
Description: Ubuntu 19.04
Release: 19.04
** Affects: emacs (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1829061
Title:
long rightwards double arrow ⟹ should be longer and rightwards double
arrow ⇒ should be shorter
Status in emacs package in Ubuntu:
New
Bug description:
Package: emacs
Version: 1:26.1+1-3.2ubuntu2
How to reproduce:
1) Run emacs-gtk
2) Enter the text in the title ("long rightwards double arrow ⟹ should
be longer and rightwards double arrow ⇒ should be shorter") into the
scratch buffer
3) Observe that ⟹ (U+21D2) is shown short and ⇒ (U+27F9) is shown long
in the emacs buffer (cf. the attachment). But it should be the other
way round!
M-x describe-font [Enter][Enter] returns the following:
name (opened by): -DAMA-Ubuntu
Mono-normal-normal-normal-*-13-*-*-*-m-0-iso10646-1
full name: Ubuntu
Mono:pixelsize=13:foundry=DAMA:weight=normal:slant=normal:width=normal:spacing=100:scalable=true
file name: /usr/share/fonts/truetype/ubuntu/UbuntuMono-R.ttf
size: 13
height: 14
baseline-offset: 0
relative-compose: 0
default-ascent: 0
ascent: 11
descent: 3
average-width: 7
space-width: 7
max-width: 7
I see the symbol width as expected in the character table for the font
Ubuntu Mono, therefore, I personally don't say that the font is
guilty, though the reader may do it if they think otherwise.
$ lsb_release -rd
Description: Ubuntu 19.04
Release: 19.04
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/emacs/+bug/1829061/+subscriptions
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