Subject: bug#36148: inconsistent behaviour with anchored regex containing back-references

From: Paul Eggert <[email-masked]>
Date: Thu, 2 Jan 2020 01:37:20 -0800

Yes, back-references don't work very well. This looks to be the same bug as
Bug#26864 <https://bugs.gnu.org/26864> so I have merged the two bug reports.