On Sat, 2011-02-26 at 16:27 +0530, Ashim Kapoor wrote: > The quotes you mention are in the HTML, nothing to do with PHP. HTML will > work without the quotes in most cases (unless there's a space in the value > for the attribute) but the quotes are required in XHTML and will cause > unexpected results. > > Can you elaborate on the XHTML part? Do you mean they are required in XHTML > but optional in HTML ? > > Many thanks, > Ashim.
Yes, in HTML the quotes are optional, but they are required in XHTML documents: http://www.w3.org/TR/xhtml1/diffs.html#h-4.4 Thanks, Ash http://www.ashleysheridan.co.uk