Tom Epperly <[EMAIL PROTECTED]> writes: > However, my testing shows that it's taking the "else branch" on every > system I can find.
You're right; it's a bug. The "test -n" should be "test -z". I have installed the obvious patch to lib/m4sugar/m4sh.m4 (AS_SHELL_SANITIZE) in the CVS sources. Thanks for reporting the bug.
