[asterisk mode] Add block-comment support
[asterisk mode] Add block-comment support

dperetti/CodeMirror,notepadqq/CodeMirror,hackmdio/CodeMirror,pabloferz/CodeMirror,thomasjm/CodeMirror,nightwing/CodeMirror,wingify/CodeMirror,hackmdio/CodeMirror,thomasjm/CodeMirror,thomasjm/CodeMirror,nightwing/CodeMirror,dperetti/CodeMirror,wingify/CodeMirror,pabloferz/CodeMirror,codio/CodeMirror,dperetti/CodeMirror,wingify/CodeMirror,pabloferz/CodeMirror,hackmdio/CodeMirror,codio/CodeMirror,notepadqq/CodeMirror,codio/CodeMirror,notepadqq/CodeMirror,nightwing/CodeMirror