Markdown headlines for Sublime Text 2

markdownediting_headlines.sublime-keymap

// Keybinding for Sublime Text to wrap selection in hashmarks with padding space, incrementally up to six marks
{ "keys": ["#"], "command": "insert_snippet", "args": {"contents": "#${0: ${SELECTION/(^ | $)//g} }#"}, "context":
    [
        { "key": "selection_empty", "operator": "equal", "operand": false, "match_all": true },
        { "key": "selector", "operator": "equal", "operand": "text.html.markdown", "match_all": true },
        { "key": "preceding_text", "operator": "not_regex_contains", "operand": "#{6}", "match_all": true }
    ]
}