c运算符自动加空格（键位绑定）

{ "keys": ["enter"], "command": "insert_space", "context": 
    [
        { "key": "selection_empty", "operator": "equal", "operand": true, "match_all": true },
        { "key": "following_text", "operator": "not_regex_contains", "operand": "^\\}", "match_all": true },
        { "key": "selector", "operator": "equal", "operand": "(source.c, source.c++, source.python, source.cs)", "match_all": true },
        { "key": "panel_has_focus", "operator": "not_equal", "operand": true},
        { "key": "auto_complete_visible", "operator": "equal", "operand": false},
    ]
},