Re: emacs Shell mode vs AC_CHECK_PROG(EMACS, ...)

[Chet Ramey]

> For a short-term correction, I think the easiest way is to change
> Autoconf to ignore a value of `t' for this environment variable.
> Autoconf maintainers, what do you think?
> 
> For longer term, perhaps the best thing is to change Emacs to use a
> different environment variable.  Alas, I don't remember what software
> checks that environment variable, or the motive for binding it.
> 
> Is it Bash?  I have cc'd the Bash maintainer so he can answer.

Bash does inspect the EMACS environment variable as part of checking
whether or not to turn off line editing even when the shell is
interactive.  It also checks for TERM==emacs.  If the shell discovers
it's running in an emacs buffer, it turns off readline. 

Chet

-- 
``The lyf so short, the craft so long to lerne.'' - Chaucer
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Chet Ramey, ITS, CWRU    chet@case.edu    http://tiswww.tis.case.edu/~chet/