[PATCH]: Info (bug fixes and new feature)

This fixes the bugs signalled by Karl Hegbloom (one still pending) and Stefanie Teufel. The new function `Info-batch-rebuild-dir' calls the info dir autogeneration routines from the command line. I use it to quickly fix outdated dir problems by `su'ing to the admin account and calling it on the command line. Oscar 1998-04-25 Oscar Figueiredo <Oscar.Figueiredo(a)di.epfl.ch&gt; * info.el (Info-parse-dir-entries): Fixed regexp (Info-build-dir-anew): Remove full suffix and capitalize info file name for files with no ＠direntry (Info-batch-rebuild-dir): New function (Info-suffixed-file): Check for regular files instead of simple file existence (could catch directories before)