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Possible Duplicate:
strange character replacement on SO

When I write a comment with an HTML <a> tag containing both href="" and title="" attributes, a semicolon is added after the concluding URL quote: 

Test link: <a href="https://meta.stackexchange.com/q/106431" 
title="Why and when is a semicolon added to a comment?">
this MSO question</a>

becomes

Test link: <a href="https://meta.stackexchange.com/q/106431";  <---------
title="Why and when is a semicolon added to a comment?">
this MSO question</a>

The HTML source is: 

<span class="comment-copy">
    Demonstration comment: &lt;a href="<a href="https://meta.stackexchange.com/q/106431&quot;">meta.stackoverflow.com/q/106431"</a>; 
    title="Why and when is a semicolon added to a comment?"&gt;
    this MSO question&lt;/a&gt;
</span>

I'm aware of the mini-markdown syntax for basic links of [inline text](http://example.com) to be used in titles. I understand that (and why) HTML markup isn't supported in comments. I won't actually type the above comment, and if I do, I'll fix it.

However, I still want to know in what other cases I can expect a semicolon to be added.

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2
  • Demonstration comment: <a href="meta.stackexchange.com/q/106431" title="Why and when is a semicolon added to a comment?"> this MSO question</a>
    – Kevin Vermeer
    Sep 16, 2011 at 15:53
  • 3
    [status-repro]. Note that the semicolon isn't actually added to the comment body, as you can verify by editing your comment (within the 5-minute edit window). It's only displayed. Weird.
    – Michael Petrotta
    Sep 16, 2011 at 15:56

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