Re: texi2dvi changes

[Gavin Smith]

On 22 September 2015 at 23:55, Karl Berry <address@hidden> wrote:
> Excuse my opinion, but this seems like the worst possible outcome.  This
> way, an existing document that uses an fl index (as discussed, they
> exist) will silently typeset garbage with a new texi2dvi.  Thus, with
> the yesmaybe default, I strongly believe that texi2dvi should give a
> definite error in the case of both the recorder being used and the fl
> index being used.

Maybe something like

Index: ../texi2dvi
===================================================================
--- ../texi2dvi (revision 6637)
+++ ../texi2dvi (working copy)
@@ -709,6 +709,11 @@
 generated_files_get ()
 {
   $generated_files_get_method "$in_noext"
+  if test $generated_files_get_method = generated_files_get_from_fls; then
+    if test -f "$in_noext.fl"; then
+      report 'WARNING!! You may typeset garbage!' # goes to stderr
+    fi
+  fi
 }

More another time.

> Another approach, though suboptimal IMHO, would be for texinfo.tex and
> makeinfo to reject up front an attempt to "@defindex fl".  That would be
> better than "successfully" typesetting junk.  (I did my tests with the
> texinfo.tex currently in the repo, FWIW.)

It can be fixed in new texinfo.tex, but not in old texinfo.tex (that
would require time travel). So issuing a warning is better.