Handling sed format may hide some text

[gdm]

The following code
\#<url>https://google.com/?q=test</url>#{s|<url>.*?</url>|<url>test</url>|;n;s|||}

shows as

\#>#{s|<url>.*?</url>|<url>test</url>|;n;s|||}

This issue can be also reproduced in http://rouge.jneen.net when 'sed' format selected

This issue has been originally reported for GitLab https://gitlab.com/gitlab-org/gitlab-ce/issues/41868

[gdm]

Probably has the similar fix as for #654

[stale]

This contribution has been automatically marked as stale because it has not had any activity for more than a year. It will be closed if no additional activity occurs within the next 14 days.

[pyrmont]

Sorry, this has an associated PR (#893) and should not have been marked as stale. That's been fixed.