Latex keyword used as delimiter for \lstinline when using --listings option

[mikewesthad]

I'm working on a project that uses pandoc for markdown to PDF conversion. I stumbled upon what I believe is an issue with delimiter selection for \lstinline.

If you start with a markdown file like:

`Hello World`

`Hello World!`

`"Hello World!"`

And convert it to a PDF with pandoc test.md --listings -o test.pdf

You end up getting a reserved keyword error:

! Illegal parameter number in definition of \reserved@a.
<to be read again>
                   }
l.54 \lstinline#

pandoc: Error producing PDF from TeX source

If you convert it to .tex and check out the source:

\lstinline!Hello World!

\lstinline"Hello World!"

\lstinline#"Hello World!"#

Pandoc does some searching of the inline code to find a delimiter that isn't used in the code. It seems like the order of selection is ! -> " -> # -> etc. The problem is that # is a latex keyword and cannot be used as a delimiter. I'm not sure where in Pandoc the delimiter selection is done, but the fix seems like it would just be to remove latex keywords from the pool of possible delimiters.

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