RFC 5545 与 RFC 2445 有何不同
在本机 Android 日历应用程序中，RFC 2445 协议用于创建 .ics 文件。我在一些博客中发现 RFC 2445 已被 RFC 5545 取代。谁能告诉我 RFC 5545 中有哪些额外功能以及它与 RFC 2445 有何不同？
In native Android calendar app, RFC 2445 protocol is used to create .ics files. I found in some blogs that RFC 2445 is replaced with RFC 5545. Can anyone please tell me what are the extra features in RFC 5545 and how it is different from RFC 2445?
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为什么不将 RFC 2445 与 RFC 5545？
特别是，RFC 5545 的封面页指出它废弃了 RFC 2445，并且有一个附录专门介绍 与 RFC 2445 的差异：
（据我所知，所引用的更改都是较小的（或者至少是简洁的））
Why don't you compare RFC 2445 with RFC 5545?
In particular, RFC 5545's cover page states that it obsoletes RFC 2445, and has an appendix dedicated to the differences from RFC 2445:
(The changes cited are all minor (or, at least, succinct) as far as I can see)
（对我来说）最主要的一点是，vevents 中的例外日期不再有重复规则。您必须将它们单独列出。
另一个主要问题是作者“The Bernard”获得了整个事情的第二次机会，并改进了 TOC 和标准的其他组织方面。
此外，还有一些更好的澄清和一些微妙的变化。
上面其他答案的链接中总共列出了 11 个。
请务必查看 rfc-editor.org 网站上提供的勘误表页面。使用前请务必查看每个勘误表的状态。
我最近发现了一个问题，将其写下来（但是向后修复），正确的修复是由“伯纳德”写的，我确信它会被接受。我记得大约有 10 个勘误表。
The main one, (for me), really, is that there is no longer a repeating rule for exception dates in vevents. You have to list them individually.
The other main one is that the author, 'The Bernard', got a second chance at the whole thing and improved on the TOC and other organizational aspects of the standard.
Additionally, there are some better clarifications and some subtle changes as well.
There are a total of 11 listed in the links in the other answer above.
MAKE SURE to look at the errata pages available on the rfc-editor.org site. Make sure to look at each errata's STATUS before using it.
I recently found an issue, wrote it up (backwards for the fix, however), the correct fix was written up by 'The Bernard', and it will be accepted I'm sure. There are about 10 errata, as I remember.