Also escape % in URLs.

This improves the fix to #9017 in commit
7c4354646b57aa0d505dc955f856b8c3443c8db4

An alternative would be to avoid backslash escaping `#` and `%`
in URLs, and instead always add `fragile` to the slide environment.

1 files changed, 3 insertions, 3 deletions

diff --git a/test/command/5340.md b/test/command/5340.md
index dbf9c1b9a..416f0bd6b 100644
--- a/test/command/5340.md
+++ b/test/command/5340.md
@@ -8,7 +8,7 @@
 ^D
 \url{https://example.com/foo-bar}
 \url{https://example.com/foo--bar}
-\url{https://example.com/foo%2Dbar}
-\url{https://example.com/foo%2D%2Dbar}
-\url{https://example.com/foo%2D%2Dbar}
+\url{https://example.com/foo\%2Dbar}
+\url{https://example.com/foo\%2D\%2Dbar}
+\url{https://example.com/foo\%2D\%2Dbar}
 ```