While diff hl benefits from vc.
Git gutter emacs.
But char width does not work for some full width characters.
Diff hl is based on emacs vc.
Emacs comes with a front end for git supporting a large subset of git s functionality.
Emacs comes with a generic version control front end called versioncontrol or vc.
Emacs has char width function which returns character width.
But char width does not work for some full width characters.
You can not use both git gutter el and git gutter fringe el.
Git gutter el provides global minor mode global git gutter mode and minor mode git gutter mode.
Of course there s some things which can be improved but people have real life and other things to do so be kind.
Git gutter eldoes not work with linum modebut git gutter fringe elcan work with linum mode.
Add melpa as a package source.
You can use git gutter fringe even if you disable vc mode.
For example if vc supports new vcs which is greater than git diff hl works with such vcs with no code modification.
Emacs has char width function which returns character width.
This is a good choice if you use other vcs besides git or have no desire to use features unique to git.
So you should explicitly specify window width if you use full width character.
In contrast git gutter fringe eldoes not work in tty frame emacs nw but git gutter elcan work in tty frame.
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If you want to use git gutter for files in git repository.
Git gutter fringe does not use vc.
Git gutter el uses it for calculating character length of the signs.
Using emacs 42 git gutter and timemachine mike zamansky.
You could really care about state of a emacs package if you see 2014 year or even older.
Just try it because git gutter works fine in the recent stable emacs.
You add following s exp in your configuration file emacs d init el or emacs.
It contains patches that haven t yet been added to git gutter changelog.
Git gutter el uses it for calculating character length of the signs.
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Run m x package install git gutter.
In terms of emacs ecosystem a year without commits means not too much.