maint: modernize URLs

A lot of this is converting http: to https:.
Also, gmane went away, so remove URLs that no longer work and
are not easy to figure out what they were.
Some of this stuff is so old that it no longer matters anyway.

1 files changed, 1 insertions, 1 deletions

diff --git a/man/help2man b/man/help2man
index 1f90bc537..773de0fc9 100755
--- a/man/help2man
+++ b/man/help2man
@@ -780,7 +780,7 @@ sub convert_option
 }
 
 # Insert spacing escape characters \, and \/ before and after italic text.  See
-# http://www.gnu.org/software/groff/manual/html_node/Ligatures-and-Kerning.html
+# https://www.gnu.org/software/groff/manual/html_node/Ligatures-and-Kerning.html
 sub fix_italic_spacing
 {
     local $_ = shift;