dreamwidth/dw-free — pull request #67 by afuna (2012-09-10 09:08:39+00:00)
Title: (Bug 4468) Use ?tag=TAG instead of /tag/TAG for tags with slashes

Tried escaping to various levels, but when I tested with the following
tags: \o/, /o\, / whee, whee \, I found that various levels of escape
would work for one tag but break the others.

This is the safest.