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处理插入代码时出现undefined的情况
双击某个地方选中一个单词,点击code,会出现undefined字样。不确定是否是意料中的行为,或者也有可能是前面没处理好导致undefined出现
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src/pen.js

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@@ -135,7 +135,7 @@
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}
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function commandWrap(ctx, tag, value) {
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value = '<' + tag + '>' + value + '</' + tag + '>';
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value = '<' + tag + '>' + (value||'') + '</' + tag + '>';
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return commandOverall(ctx, 'insertHTML', value);
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}
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