bug#37395: [PATCH v4] diff-mode.el: take into account patch separators

[Konstantin Kharlamov <hi-angel@yandex.ru>]

Ah, sorry, I missed it. v5 sent, now should be no new warnings.

On Ср, окт 9, 2019 at 21:36, Lars Ingebrigtsen <larsi@gnus.org> 
wrote:
> Konstantin Kharlamov <Hi-Angel@yandex.ru> writes:
> 
>>  * lisp/vc/diff-mode.el (diff-prev-line-if-patch-separator):
>>  A function to return prev. line if it has git-format-patch
>>  separator.
>>  (diff-end-of-hunk): Make use of
>>  diff-prev-line-if-patch-separator
>>  diff-buffer-type: whether a buffer is a git-diff
>>  (define-derived-mode): set diff-buffer-type to appropriate
>>  value
> 
> Byte-compiling gives:
> 
> In diff-prev-line-if-patch-separator:
> vc/diff-mode.el:516:10:Warning: reference to free variable 
> `diff-buffer-type'
> vc/diff-mode.el:517:7:Warning: `previous-line' is for interactive use 
> only;
>     use `forward-line' with negative argument instead.
> 
> So you have to move the defvar earlier and adjust the previous-line, 
> but
> otherwise I think it looks OK...
> 
> --
> (domestic pets only, the antidote for overdose, milk.)
>    bloggy blog: http://lars.ingebrigtsen.no