Re: [Gnu-arch-users] another problem with current `arch-tag:' syntax

[Andrew Suffield]

On Mon, Sep 01, 2003 at 01:25:59PM +0900, Miles Bader wrote:
> ... that hopefully can be fixed with `arch-id:' --
> 
> Currently it only accepts `arch-tag:' if it's preceded entirely by
> `punctuation' on the line, which runs afoul of many common comment
> syntaxes, e.g. address@hidden' (texinfo), `rem' (basic, dos batch files), 
> `dnl'
> (autoconf/m4), etc.  This is an especially vexing restriction for file
> types that have _only_ line-oriented comments.
> 
> It seems good enough to require that the immediately preceding character
> be non-alphanumeric (in most cases whitespace, but some people might
> like to write things like `#arch-tag: ...' in a shell file).

For the record, here's a suitably grotesque solution to the m4
problem:

define(`_', `dnl')dnl
_(arch-tag: Zero-content m4 snippet)
undefine(`_')dnl

That constitutes a valid tag and generates no output.

-- 
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