# escaping anything, therefore you also have to be careful not to chose
# delimiters that appear in the replacement text. For example '<' should
# be save, while '?' will sooner or later cause conflicts with $url.
# escaping anything, therefore you also have to be careful not to chose
# delimiters that appear in the replacement text. For example '<' should
# be save, while '?' will sooner or later cause conflicts with $url.