[Haml] Convert Haml::Precompiler docs to YARD.
[Haml] Convert Haml::Precompiler docs to YARD.

oss-practice/sass,ridixcr/sass,macressler/haml,Galactix/sass,haml/haml,ridixcr/sass,tangposmarvin/sass,DanteKaris/sass,Nzaga/sass,danielfein/sass,tenderlove/sass,liquidmetal/sass,PMArtz92/sass,nicklima/sass,tangposmarvin/sass,JuanitoFatas/sass,srawlins/sass,baiyanghese/sass,amitsuroliya/sass,14113/sass,chriseppstein/sass,HugoRLopes/sass,jaroot32/sass,srinivashappy/sass,askl56/sass,hcatlin/sass,StephanieMak/sass,jaroot32/sass,briangonzalez/sass,MetaAshley/sass,srawlins/sass,macressler/haml,keithpitty/haml,JuanitoFatas/sass,modulexcite/sass,cmpereirasi/sass,PMArtz92/sass,nicklima/sass,modulexcite/sass,cmpereirasi/sass,lmetla/sass,Anshdesire/sass,amitsuroliya/sass,xzyfer/sass,dylannnn/sass,askl56/sass,dg1dd1ngs/haml,Andrey-Pavlov/sass,hcatlin/sass,saper/sass,Galactix/sass,rammy7219/sass,nazar-pc/haml,saper/sass,DanteKaris/sass,antonifs/sass,StephanieMak/sass,amatsuda/haml,Ahnita/sass,chriseppstein/haml,nickg33/sass,keithpitty/haml,srinivashappy/sass,Industrys/sass,Ahnita/sass,rammy7219/sass,MetaAshley/sass,stewx/sass,haml/haml,Anshdesire/sass,stewx/sass,lmetla/sass,dg1dd1ngs/haml,dylannnn/sass,zaru/sass,antonifs/sass,OrenBochman/sass,zaru/sass,tangposmarvin/haml,Iamronan/sass,stanhu/haml,uniba/hamldoc_ja,nickg33/sass,tangposmarvin/haml,Andrey-Pavlov/sass,chriseppstein/haml,OrenBochman/sass,haml/haml,haml/haml,concord-consortium/haml,nazar-pc/haml,schneems/sass,Industrys/sass,stanhu/haml,purcell/haml,HugoRLopes/sass,xzyfer/sass,liquidmetal/sass,Nzaga/sass,Iamronan/sass,schneems/sass,sideci-sample/sideci-sample-haml,danielfein/sass