Fix name-table language code mapping for Mongolian

Do not try updating mtime when unlink was failed

Do not update mtime when removing .uuid file

CI: Add more logs

Fix test case

add missing the case of prefix="default" as documented

Update docs for 1aa8b700

Update fonts.dtd for last commit

Add more prefix support in <dir> element

Fix CI

Add a test case for d1f48f11

Fix the issue that '~' wasn't extracted to the proper homedir

Fix the build issue with --enable-static

Bump version to 2.13.1

Bump the libtool revision