On Thu, Mar 19, 2020 at 1:11 PM Zack Weinberg <zackw@xxxxxxxxx> wrote: > > I'm trying to write a test case and autom4te doesn't like it ... > > AT_CONFIGURE_AC([[ > m4_define([fn_bar],[fn_quux]) > AC_CHECK_FUNCS([fn_foo dnl > fn_bar dnl Ordinary comment > fn_blurf dnl Apos'trophed comment > ]) > ]]) It turns out that writing `dn@&t@l` instead of `dnl` *does* work for this. I don't know why I thought it didn't. Never mind. zw