Re: How to get \section[Short title]{Long title} in LaTeX output

[jcr <ffi.appdev-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>]

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Others can correct me if I'm wrong, but I don't think the filter has enough 
information to tell in all cases what a level 1 header corresponds to in 
LaTeX. If documentclass is specified in the metadata, you could deduce 
whether chapter or section will be selected by default. However, 
--top-level-headings (or the documentclass variable?) could override the 
metadata.

On Wednesday, June 30, 2021 at 2:30:07 PM UTC+2 Nick Bart wrote:

> @jcr - Brilliant, works like a charm. I had to make some trivial changes; 
> the version I’m using right now with the LaTeX article or scrartcl classes 
> is shown below. 
>
> One thing that would be nice to have, though, would be the ability to 
> switch automatically between a 'commands' list for book-like LaTeX classes 
> (starting with 'chapter'), and article-like classes (starting with 
> 'section'). I'll be trying to figure that out, but useful hints would be 
> welcome.
>
> -- Print a formatted warning to stderr
> function warnf (...)
>   io.stderr:write(string.format(...))
> end
> function Header (el)
>   -- Replace heading with raw LaTeX if pageheading is used to specify a
>   -- shorter form of the title to use in page headers.
>   if el.attributes.pageheading then
>     -- local commands = {'chapter', 'section', 'subsection'}
>     local commands = {'section', 'subsection'}
>     if el.level > #commands then
>       warnf('pageheading attribute not supported for level %d headings', 
> el.level)
>       return el
>     end
>     -- Produce LaTeX like pandoc does, but with two additional arguments
>     -- to specify a short for of the page heading to memoir.
>     local title = pandoc.utils.stringify(el)
>     -- local latexStr = string.format('\\%s[%s][%s]{%s}', 
> commands[el.level], title, el.attributes.pageheading, title)
>     local latexStr = string.format('\\%s[%s]{%s}', commands[el.level], 
> el.attributes.pageheading, title)
>     local label = string.format('\\label{%s}', el.identifier)
>     -- wrap in hypertarget
>     latexStr = string.format('\\hypertarget{%s}{%%\n%s%s}', el.identifier, 
> latexStr, label)
>     return pandoc.RawBlock('latex', latexStr)
>   end
> end
>
>

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