strip_tags: check for `<` first
strip_tags: check for `<` first

Running bleach is quite expensive, no need to do that if there are no
tags in the string.

ThiefMaster/indico,ThiefMaster/indico,mic4ael/indico,ThiefMaster/indico,mic4ael/indico,OmeGak/indico,DirkHoffmann/indico,ThiefMaster/indico,indico/indico,mvidalgarcia/indico,pferreir/indico,pferreir/indico,indico/indico,DirkHoffmann/indico,OmeGak/indico,OmeGak/indico,DirkHoffmann/indico,OmeGak/indico,indico/indico,pferreir/indico,mic4ael/indico,pferreir/indico,DirkHoffmann/indico,mvidalgarcia/indico,indico/indico,mvidalgarcia/indico,mic4ael/indico,mvidalgarcia/indico