Re: [PATCH/RFC] git-blame.el: truncate author to avoid jagged left edge of code

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Sorry for being absent a long time. I hope you have managed to sort out
the git-blame fixes anyway.

Jonathan Nieder <jrnieder@xxxxxxxxx> writes:

>Without this patch, the author column in git-blame-mode spills
>over in some rows:
>
>	822a7d <ramsay@xxxxxxxxxxxxxxxxxxx>:const char git_usage_
>	f2dd8c <jon.seymour@xxxxxxxxx>: "git [--version] [--exec-
>	a1bea2 <josh@xxxxxxxxxxxxxxxx>: "           [-p|--paginat
>	a1bea2 <josh@xxxxxxxxxxxxxxxx>: "           [--git-dir=<p
>	293b07 <trast@xxxxxxxxxxxxxxx>: "           [-c name=valu
>	62b469 <stepan.nemec@xxxxxxxxx>:        "           <comm
>	822a7d <ramsay@xxxxxxxxxxxxxxxxxxx>:
>
>As a result, code meant to line up does not line up correctly and the
>colored code area has a jagged left edge.
>
>Specify a maximum width for the autohr email address in the default
>blame prefix (i.e., use %20.20A instead of %20A) to fix it.
>
>	822a7d <ramsay@ramsay1.demon.c:const char git_usage_strin
>	f2dd8c <jon.seymour@xxxxxxxxx>: "git [--version] [--exec-
>
>The (format) function used to implement format-spec has supported
>precision specifiers like ".20" in emacs since 2002-12-09, so this
>should be safe.
>
>Helped-by: Kevin Ryde <user42@xxxxxxxxxx>
>Signed-off-by: Jonathan Nieder <jrnieder@xxxxxxxxx>
>---
>In February of 2011, I wrote:
>
>>  - email addresses are often longer than 20 characters.  Does
>>    format-spec provide a way to truncate to a certain length,
>>    so the prefixes can line up?
>
>Better late than never, I guess.  Sensible?
>
> contrib/emacs/git-blame.el |    2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
>diff --git a/contrib/emacs/git-blame.el b/contrib/emacs/git-blame.el
>index d351cfb6..137d5ba9 100644
>--- a/contrib/emacs/git-blame.el
>+++ b/contrib/emacs/git-blame.el
>@@ -102,7 +102,7 @@
>   :group 'git-blame)
> 
> (defcustom git-blame-prefix-format
>-  "%h %20A:"
>+  "%h %20.20A:"
>   "The format of the prefix added to each line in `git-blame'
> mode. The format is passed to `format-spec' with the following format keys:

-- 
David Kågedal
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