Don't add sh_LANG class to pre elements when there is no LANG.
Don't add sh_LANG class to pre elements when there is no LANG.
marrero984/showoff,berkes/showoff,wanix/showoff,berkes/showoff,kublaj/showoff,binford2k/showoff,slambert/showoff,slambert/showoff,binford2k/showoff,nomadicoder/showoff,berkes/showoff,travisvalentine/7.27_showoff,puppetlabs/showoff,jevy/Presentations,nberger/showoff,slambert/showoff,slambert/showoff,kublaj/showoff,kublaj/showoff,puppetlabs/showoff,berkes/showoff,wanix/showoff,kublaj/showoff,travisvalentine/7.27_showoff,marrero984/showoff,jevy/Presentations,puppetlabs/showoff,binford2k/showoff,kublaj/showoff,hybridgroup/showoff,marrero984/showoff,nomadicoder/showoff,nberger/showoff,wanix/showoff,nomadicoder/showoff,nomadicoder/showoff,berkes/showoff,hybridgroup/showoff,binford2k/showoff,puppetlabs/showoff,marrero984/showoff