Need to document this.

>>>>> "Michael" == Michael Sperber <sperber@deinprogramm.de> writes:

Michael> Does the PATH environment variable, for instance, allow
Michael> escaping?

Glibc's implementation of execvp() doesn't allow escaping in PATH,
except for the case where '::' means the current directory, so I'd say
thay it doesn't.

Malcolm

Michael Sperber writes:

 > > I don't know if this is actually a bug or not, but apparently there is
 > > no way to escape the path separator character (typically ?/ on Unix,
 > > ?\\ on Windows) in split_external_path.

 > I always thought this was a general issue with this notation for paths
 > on Unix and Windows.  Does the PATH environment variable, for instance,
 > allow escaping?

If I knew, I would be telling, not asking. ;-)  

 > Anyway, this has, to my knowledge, never arisen in practice.  Is it
 > worth complicating the code for?

Probably not, but it should be documented.

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I don't know if this is actually a bug or not, but apparently there is
no way to escape the path separator character (typically ?/ on Unix,
?\\ on Windows) in split_external_path.  This means that if for some
reason one wanted to put something like packages in a directory named
something like "xemacs:stuff", that would get split into two
directories of a search path in many contexts such as "./configure
--with-late-packages=xemacs:stuff".

Any thoughts, Mike?

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