Re: [PATCH 0/2] kernel-doc: Do not pre-process comments

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Anna-Maria Behnsen <anna-maria@xxxxxxxxxxxxx> writes:

> Hi,
>
> this is a repost of the RFC queue
> https://lkml.kernel.org/r/20240116151456.48238-1-anna-maria@xxxxxxxxxxxxx
>
> Jonathan Corbet is fine with this change and mentioned in an answer the
> following:
>
>   "The kernel-doc change should really go together with the DRM change.
>   I'm happy to carry both with an ack from DRMland or have the kernel-doc
>   patch go through the DRM tree, whichever is easiest."
>
> But back to the patchset: Commit 654784284430 ("kernel-doc: bugfix -
> multi-line macros") introduces pre-processing of backslashes at the end of
> a line to not break multi-line macros. This pre-processing is done
> independently if it is inside code or inside a comment.
>
> This illustation of a hierarchy as a code block inside a kernel-doc comment
> has a backslash at the end of the line:
>
> ---8<---
> /**
>  * DOC: hierarchy
>  *
>  *                    Top Level
>  *                /               \
>  *         Child A                 Child B
>  */
> ---8<---
>
> It will be displayed as:
>
> ---8<---
> 	     Top Level
> 	 /                *        Child A                 Child B
> ---8<---
>
>
> As I asked for a solution on the linux-doc mailing list, I got some
> suggestions with workarounds and also got the suggestion by Matthew Wilcox
> to adapt the backslash preprocessing in kernel-doc script. I tested it and
> fixed then the newly produced warnings which are covered in the first
> patch. The processing of the documentation seems to work - but please don't
> rely on my tests as I'm not a perl neither a kernel-doc expert.
>
> Thanks,
>
> 	Anna-Maria
>
>
>
> Anna-Maria Behnsen (2):
>   drm/vram-helper: Fix 'multi-line' kernel-doc comments
>   scripts/kernel-doc: Do not process backslash lines in comments
>
>  drivers/gpu/drm/drm_gem_vram_helper.c | 44 ++++++++++++---------------
>  include/drm/drm_gem_vram_helper.h     | 16 +++++-----
>  scripts/kernel-doc                    |  2 +-
>  3 files changed, 29 insertions(+), 33 deletions(-)

Series applied, thanks.

jon




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