November 2009
1 post
Ampersands (&'s) in URLs
Another common error occurs when including a URL which contains an ampersand (“&”):
<a href="foo.cgi?chapter=1§ion=2©=3&lang=en">...</a>
This example generates an error for “unknown entity section” because the “&” is assumed to begin an entity reference. Browsers often recover safely from this kind of error, but real...