268386 - An in text displayed URL containing ...&lang=EN... shows opening parenthesis

Status: VERIFIED INVALID

(Core :: DOM: HTML Parser, defect)

Description

[Martin Voelker]

User-Agent:       Mozilla/5.0 (Windows; U; Windows NT 5.1; de-AT; rv:1.7.2) Gecko/20040803
Build Identifier: Mozilla/5.0 (Windows; U; Windows NT 5.1; de-AT; rv:1.7.2) Gecko/20040803

Error: <u>&amp;lang=EN</u> as an URL parameter is displayed as opening brackets
&lang; (Def: &amp;lang;) but even without the closing ; for the HTML encoding.

Sample:
http://www.whateverdomainxxx.com/folder/file.ext?name1=value1&name2=value2&lang=EN

Reproducible: Always
Steps to Reproduce:
1. Display an unencoded URL containing a parameter named "lang" in URL at 2nd
position or higher with leading ampersand: ...&name2=value2&lang=value
Actual Results:  
&lang=... is displayed as &(=...

Expected Results:  
display of &amp;lang=...

Comment 1

[Christian :Biesinger (don't email me, ping me on IRC)]

closing ; is optional when followed by certain characters, among which is =. if
you want an ampersand, use &. this bug is invalid.

Comment 2

[Boris Zbarsky [:bzbarsky]]

Verified.  Note that we violate the HTML spec and do what reporter apparently
wants in quirks mode, but this page is being rendered in standards mode.