Don't generate esv-based outliner anymore. Only generate an empty 'MyLang-Outliner.generated.esv' so that existing projects won't break.
fix
fix
Only generated esv-based outline files if not doing so would break an existing project.
fix
More meaningful message for undefined outline strategy.
Renamed the outline strategy.
small improvement
Merge branch 'master' into semantic-outline
Merge branch 'semantic-outline'