added attr test with quotes
added attr test with quotes

andreytkachenko/jade,Mitrend/jade,pugjs/pug,cgvarela/jade,jadejs/then-jade,slang800/yade,modulexcite/jade,andreytkachenko/jade,jodytate/jade,wavii/jade,pugjs/jade,mrotaru/jade,magicdawn/jade,gdibble/jade,pugjs/pug,ridixcr/jade,jjz/jade,angrilove/jade,jjz/jade,rajnishyadav321/jade,pugjs/jade,timmfin/jade,Laoujin/jade,VANITAX/jade,cgvarela/jade,ddopson/jade-coffeescript,webskyer/jade,tranhieutt/jade,coderhaoxin/jade,omixen/jade,webskyer/jade,mumaoxi/jade,webmasteraxe/jade,tranhieutt/jade,hnag409/jade,hnag409/jade,muthhus/jade,nyakto/jade-async,pugjs/then-jade,cutsin/jade,harp/jade,Victorgichohi/jade,cesarmarinhorj/jade,Mitrend/jade,harp/jade,ridixcr/jade,rajnishyadav321/jade,martindale/jade,derbyparty/derby-jade,VANITAX/jade,derbyparty/derby-jade,Victorgichohi/jade,bogus34/jade-vfs,rauchg/jade,jadejs/then-jade,gexiaowei/jade,Shinchy/jade,illusionfield/jade,cesarmarinhorj/jade,mrotaru/jade,ilovezy/jade,Laoujin/jade,flintinatux/jade,angryrobot/jade,VeraWei/jade,ilovezy/jade,webmasteraxe/jade,mumaoxi/jade,omixen/jade,colin-h/jade,martindale/jade,jirengu/jade,magicdawn/jade,angryrobot/jade,gexiaowei/jade,jirengu/jade,VeraWei/jade,jodytate/jade,cutsin/jade,fredyteheranto/jade,nyakto/jade-async,bogus34/jade-vfs,muthhus/jade,fusesource/coffeejade,Shinchy/jade,pugjs/then-jade,angrilove/jade,ddopson/jade-coffeescript,fredyteheranto/jade,illusionfield/jade,coderhaoxin/jade,modulexcite/jade,gdibble/jade,ceremcem/jade,colin-h/jade