[lint addon] Filter out duplicate messages on a single line
[lint addon] Filter out duplicate messages on a single line


dperetti/CodeMirror,hackmdio/CodeMirror,wingify/CodeMirror,nightwing/CodeMirror,wingify/CodeMirror,dperetti/CodeMirror,wingify/CodeMirror,nightwing/CodeMirror,nightwing/CodeMirror,hackmdio/CodeMirror,pabloferz/CodeMirror,dperetti/CodeMirror,hackmdio/CodeMirror,pabloferz/CodeMirror,pabloferz/CodeMirror