That looks like a dblatex problem.

Whilst the a2x script uses dblatex and someone here might be able to
help you, the people here are mostly asciidoc experts, not dblatex
experts, so it might be good to also ask on the dblatex list.

Cheers
Lex

On 24 August 2015 at 20:51, Gioacchino Mazzurco <[email protected]> wrote:
> Hi all!
>
> I am writing a report in asciidoc, in the report I do include some Lua code
> snippet, everything goes fine when I convert it to html with asciidoc but
> the story is different when I try to convert it to PDF with a2x, seems it
> fails because lua is not recognized as a language by dblatex, so I have
> searched a lot but catually i haven't fount any working solution, the
> workaround I am using is a conditional attribute like this:
>
> :lua: {basebackend@docbook:c++:lua}
>
> [source,{lua}]
> -------------------------------------------------------------------------------------------------------------
> uci:set("bmx6", "fromBird", "aggregatePrefixLen", "128") -- Disable route
> aggregation
> uci:set("bmx6", "general", "redistTableDelay", "60000") -- Aggregate routing
> tables events by 60s time slots
> -------------------------------------------------------------------------------------------------------------
>
> The problem is that obviously when I need a PDF the syntax highlighting is
> completely screwed up -_-, investigating more I find out that the problem
> should be caused by missing lua syntax highlighter in texlive, but from what
> I readed on stackexchange [0] i discovered is not my case because on my
> texlive installation a Lua syntax highlighter is present at
> /usr/share/texmf-dist/tex/latex/listings/listings-lua.prf [1] but it seems
> the language is called [5.2]Lua instead of plain lua so I have just tried
> changing it in the conditional attribute like this
>
> :lua: {basebackend@docbook:[5.2]Lua:lua}
>
> but when I call a2x i get a not very understandable error [2] , should I
> someway escape [.] ? If yes how?
>
> Another question is where do i get a list of language syntax highlighting
> supported by a2x/dblatex so if I cannot fix this properly i can try to use a
> different language that is more "similar" to lua?
>
> Many thanks!
>
> [0]
> http://tex.stackexchange.com/questions/169311/lua-syntax-for-the-listings-package
> [1] /usr/share/texmf-dist/tex/latex/listings/listings-lua.prf
> https://bpaste.net/show/dfb9d10839bf
> [2] https://bpaste.net/show/5a001957796e
>
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