[tcl mode] More liberally recognize comments
[tcl mode] More liberally recognize comments

Closes #3853

xeronith/CodeMirror,sourcelair/CodeMirror,codio/CodeMirror,bfrohs/CodeMirror,mtaran-google/CodeMirror,ejgallego/CodeMirror,ficristo/CodeMirror,INTELOGIE/CodeMirror,jkaplon/CodeMirror,nightwing/CodeMirror,hackmdio/CodeMirror,jayaprabhakar/CodeMirror,kerabromsmu/CodeMirror,thomasjm/CodeMirror,TDaglis/CodeMirror,ashmind/CodeMirror,pabloferz/CodeMirror,adobe/CodeMirror2,Jisuanke/CodeMirror,namin/CodeMirror,vincentwoo/CodeMirror,xeronith/CodeMirror,SidPresse/CodeMirror,ashmind/CodeMirror,Dominator008/CodeMirror,hccampos/CodeMirror,notepadqq/CodeMirror,mizchi/CodeMirror,pabloferz/CodeMirror,kerabromsmu/CodeMirror,mizchi/CodeMirror,dperetti/CodeMirror,dperetti/CodeMirror,nightwing/CodeMirror,ficristo/CodeMirror,MarcelGerber/CodeMirror,sourcelair/CodeMirror,TDaglis/CodeMirror,bfrohs/CodeMirror,nightwing/CodeMirror,hccampos/CodeMirror,schanzer/CodeMirror,wingify/CodeMirror,xeronith/CodeMirror,jkaplon/CodeMirror,bfrohs/CodeMirror,hccampos/CodeMirror,hackmdio/CodeMirror,crazy4chrissi/CodeMirror,thomasjm/CodeMirror,ejgallego/CodeMirror,rrandom/CodeMirror,crazy4chrissi/CodeMirror,INTELOGIE/CodeMirror,SidPresse/CodeMirror,crazy4chrissi/CodeMirror,alur/CodeMirror,grzegorzmazur/CodeMirror,notepadqq/CodeMirror,InternetGuru/CodeMirror,InternetGuru/CodeMirror,jkaplon/CodeMirror,pabloferz/CodeMirror,ficristo/CodeMirror,schanzer/CodeMirror,hackmdio/CodeMirror,jayaprabhakar/CodeMirror,codio/CodeMirror,adobe/CodeMirror2,alur/CodeMirror,grzegorzmazur/CodeMirror,dperetti/CodeMirror,ashmind/CodeMirror,notepadqq/CodeMirror,vincentwoo/CodeMirror,Dominator008/CodeMirror,mtaran-google/CodeMirror,mizchi/CodeMirror,jayaprabhakar/CodeMirror,Dominator008/CodeMirror,rrandom/CodeMirror,TDaglis/CodeMirror,Jisuanke/CodeMirror,codio/CodeMirror,thomasjm/CodeMirror,wingify/CodeMirror,mtaran-google/CodeMirror,Jisuanke/CodeMirror,INTELOGIE/CodeMirror,InternetGuru/CodeMirror,schanzer/CodeMirror,ejgallego/CodeMirror,SidPresse/CodeMirror,adobe/CodeMirror2,alur/CodeMirror,rrandom/CodeMirror,wingify/CodeMirror,namin/CodeMirror,sourcelair/CodeMirror,MarcelGerber/CodeMirror,vincentwoo/CodeMirror,MarcelGerber/CodeMirror,kerabromsmu/CodeMirror,namin/CodeMirror,grzegorzmazur/CodeMirror