Re: Tag references and tabs in help files

On 04/11/12 13:48, Marcin Szamotulski wrote:
> On 11:53 Sun 04 Nov , Andre Majorel wrote:
>> In help.txt, tabs are used as if help.vim didn't strip the "|"
>> around tag references. Is it how it's supposed to be ?
>>
>> Thanks in advance.
>>
>> --
>> André Majorel http://www.teaser.fr/~amajorel/
>> Subliminal message : Vim needs elastic tab stops.
>>
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>
> See my other answer to your post. help.vim is not stripping "|", (and
> also "*"). This is done by the conceal vim feature. If you have it
> (:echo has("conceal")) then you can check where the 'cole' option was
> set from: open a help file and run:
> :verb set cole?
>
> Normally it is set in help.vim. So I guess you have overwritten it
> somehow, or your vim/gvim has not conceal feature. See ":help 'cole'",
> ":help 'cocu'", ":help conceal".
>
> Best,
> Marcin
>

What the OP means, and I confirm it, is that when 'conceallevel' is 2
(as $VIMRUNTIME/ftplugin/help.vim sets it) the columns and indents in
help files become misaligned. OTOH, setting 'conceallevel' to zero
(either by an after-syntax plugin, or by running a feature-poor Vim
compiled with -conceal, or even manually), the columns and indents align
properly.

I suppose that this is "how it is supposed to be", for several reasons:
- The 'conceal' feature is relatively recent in mainline Vim (though it
existed before as an unofficial patch). The help files are much more
ancient, and of course when vanilla Vim did not have +conceal the help
files took no account of the feature
- There are still Vim versions (from Tiny to Normal) which are compiled
without the feature. +conceal is present only in Big and Huge builds.
- There are still diehard conservatives like me, who set 'conceallevel'
to zero in help files
- Vim's indent plugins mostly take no account of +conceal; they treat
concealed text as visible text.


Best regards,
Tony.
--
The war between Emacs and Vi is over. Vi has won with 3 to 1.
http://www.ssc.com/lg/issue30/raymond.html

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