[Emacs] Support font-locking in haml-mode :filter blocks.
[Emacs] Support font-locking in haml-mode :filter blocks.

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