复制以下代码到用户按键绑定设置，即可实现光标在标签对之间，按回车后，闭合标签换两行，光标在中间行并自动缩进。

 1    { "keys": ["enter"], "command": "auto_indent_tag", "context":
 2         [
 3             { "key": "setting.auto_indent", "operator": "equal", "operand": true },
 4             { "key": "selection_empty", "operator": "equal", "operand": true, "match_all": true },
 5             { "key": "selector", "operator": "equal", "operand": "punctuation.definition.tag.begin", "match_all": true },
 6             { "key": "preceding_text", "operator": "regex_contains", "operand": ">$", "match_all": true },
 7             { "key": "following_text", "operator": "regex_contains", "operand": "^</", "match_all": true },
 8         ]
 9     },
10     // Press the tab indent a sufficient distance
11     { "keys": ["tab"], "command": "reindent", "context":
12         [
13             { "key": "setting.auto_indent", "operator": "equal", "operand": true },
14             { "key": "selection_empty", "operator": "equal", "operand": true, "match_all": true },
15             { "key": "preceding_text", "operator": "regex_match", "operand": "^$", "match_all": true },
16             { "key": "following_text", "operator": "regex_match", "operand": "^$", "match_all": true }
17         ]
18     }