Document interpolation
Document interpolation

[closes #1671]

Shinchy/jade,harp/jade,angryrobot/jade,VANITAX/jade,Victorgichohi/jade,Shinchy/jade,magicdawn/jade,VeraWei/jade,pugjs/pug,pugjs/jade,cutsin/jade,jodytate/jade,gdibble/jade,pugjs/pug,colin-h/jade,webmasteraxe/jade,mrotaru/jade,Mitrend/jade,ilovezy/jade,magicdawn/jade,cgvarela/jade,ridixcr/jade,jjz/jade,muthhus/jade,flintinatux/jade,jodytate/jade,gexiaowei/jade,modulexcite/jade,jadejs/then-jade,colin-h/jade,jadejs/then-jade,pugjs/then-jade,tranhieutt/jade,coderhaoxin/jade,ceremcem/jade,webskyer/jade,jirengu/jade,cesarmarinhorj/jade,Victorgichohi/jade,hnag409/jade,rajnishyadav321/jade,andreytkachenko/jade,mumaoxi/jade,ridixcr/jade,Laoujin/jade,webmasteraxe/jade,fredyteheranto/jade,Mitrend/jade,rajnishyadav321/jade,hnag409/jade,Laoujin/jade,illusionfield/jade,jirengu/jade,bogus34/jade-vfs,fredyteheranto/jade,angrilove/jade,angryrobot/jade,gexiaowei/jade,mumaoxi/jade,ilovezy/jade,gdibble/jade,jjz/jade,coderhaoxin/jade,pugjs/then-jade,cesarmarinhorj/jade,webskyer/jade,VeraWei/jade,martindale/jade,mrotaru/jade,pugjs/jade,martindale/jade,andreytkachenko/jade,muthhus/jade,omixen/jade,cutsin/jade,VANITAX/jade,bogus34/jade-vfs,modulexcite/jade,cgvarela/jade,angrilove/jade,harp/jade,tranhieutt/jade,illusionfield/jade,omixen/jade