maint: update .gitignore.

* .gitignore: ignore *~ .# and (from Zack Weinberg, autosave files)
.*.sw[op] \#*#, closer to matching Autoconf.
https://lists.gnu.org/archive/html/automake-patches/2021-12/msg00005.html
https://lists.gnu.org/archive/html/automake-patches/2021-12/msg00010.html

diff --git a/.gitignore b/.gitignore
index 89e71ec97d5a04d1d505d23c1a9e1f64ce92f489..6e7809bffe8065f0243f97c18549bdac4a4ff3d3 100644 (file)
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,7 @@
+*~
+.#*
+.*.sw[op]
+\#*#
 /.autom4te.cache
 /ChangeLog
 /Makefile