DOCBOOK: Re: Environment Variables in File/Directory Names

[Karl Eichwalder <ke@gnu.franken.de>]

Norman Walsh <ndw@nwalsh.com> writes:

> Sorry, I should have been more clear. In my experience, the
> distinction isn't often important.

All the markup we're doing isn't important -- contents count! ;)

> I haven't used systems that automatically put the leading $ on envars
> or anything and the principal value in marking them up was for
> searching.

I saw it in books done with LaTeX.

> A user searching for the "FOO" envar is probably interested in both
> FOO and $FOO (provided the FOO in question is an environment
> variable).

Sure, you are not wrong!  Automatic indexing is another reason to use
<envar> or <literal role="envar">.

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