Re: BUG: CR marker ^M doesn't show up in '-' lines of diffs when the ending of the removed line is CR+LF

> Am 23.11.18 um 19:19 schrieb Frank Schäfer:
>> The CR marker ^M doesn't show up in '-' lines of diffs when the ending
>> of the removed line is CR+LF.
>> It shows up as expected in '-' lines when the ending of the removed line
>> is CR only.
>> It also always shows up as expected in '+' lines.
>
> Is your repository configured to (1) highlight whitespace errors in
> diff output and (2) to leave CRLF alone in text files?

>
> If so, then it is just a side-effect of this combination, an illusion,
> so to say: The CR in the CRLF combo is trailing whitespace. The 'git
> diff' marks it by inserting an escape sequence to switch the color
> before ^M and another escape sequence to reset to color after ^M. This
> breaks the CRLF combination apart, so that the pager does not process
> it as a combined CRLF sequence; it displays the lone CR as ^M.

>
> It is easy to achieve the opposite effect, i.e., that ^M is not
> displayed. For example with these lines in .git/info/attributes or
> .gitattributes:
>
> *.cpp
> whitespace=trailing-space,cr-at-eol,indent-with-non-tab,space-before-tab
> *.h
> whitespace=trailing-space,cr-at-eol,indent-with-non-tab,space-before-tab
>
> Note the cr-at-eol. (There may be shorter versions to achieve a
> similar effect.)