`& mdash;`或`&＃8212;`HTML输出有没有什么区别？ [英] `—` or `—` is there any difference in HTML output?

问题描述

& mdash; 或&＃8212;

这些有区别吗？是一种比另一种更好的支持？

解决方案

SGML解析器（或XHTML情况下的XML解析器）可以处理&＃8212; ，而不必处理DTD（这对浏览器不重要，因为它们只是标签汤），而& mdash; 对于人类来说更容易在源代码中读写。

就我个人而言，我会坚持字面上的em-dash并确保我的角色编码设置是一致的。

— or —

Is there a difference between these? Is one better-supported than the other?

解决方案

SGML parsers (or XML parsers in the case of XHTML) can handle — without having to process the DTD (which doesn't matter to browsers as they just slurp tag soup), while — is easier for humans to read and write in the source code.

Personally, I would stick to a literal em-dash and ensure that my character encoding settings were consistent.

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