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NAME Catalyst::View::ContentNegotiation::XHTML - Adjusts the response Content-Type header to application/xhtml+xml if the browser accepts it. SYNOPSIS package Catalyst::View::TT; use Moose; use namespace::clean -except => 'meta'; extends qw/Catalyst::View::TT/; with qw/Catalyst::View::ContentNegotiation::XHTML/; 1; DESCRIPTION This is a simple Role which sets the response "Content-Type" to be "application/xhtml+xml" if the users browser sends an "Accept" header indicating that it is willing to process that MIME type. Changing the "Content-Type" to "application/xhtml+xml" causes browsers to interpret the page as XML, meaning that your markup must be well formed. CAVEATS This is useful when you're developing your application, as you know that all pages you view are parsed as XML, so any errors caused by your markup not being well-formed will show up at once. Whilst this module is has been tested against most popular browsers including Internet Explorer, it may cause unexpected results on browsers which do not properly support the "application/xhtml+xml" MIME type. METHOD MODIFIERS after process Changes the response "Content-Type" if appropriate (from the requests "Accept" header). METHODS pragmatic_accept Some browsers (such as Internet Explorer) have a nasty way of sending Accept */* and this claiming to support XHTML just as well as HTML. Saving to a file on disk or opening with another application does count as accepting, but it really should have a lower q value then text/html. This sub takes a pragmatic approach and corrects this mistake by modifying the Accept header before passing it to content negotiation. ATTRIBUTES variants Returns an array ref of 3 part arrays, comprising name, priority, output mime-type, which is used for the content negotiation algorithm. PRIVATE METHODS _build_variants Returns the default variant attribute contents. SEE ALSO Catalyst::View::TT::XHTML - Trivial Catalyst TT view using this role. <http://www.w3.org/Protocols/rfc2616/rfc2616-sec12.html> - Content negotiation RFC. BUGS Should be split into a base ContentNegotiation role which is consumed by ContentNegotiation::XHTML. AUTHOR Maintainer and contributor of various features - David Dorward "<firstname.lastname@example.org>" Original author - Tomas Doran (t0m) "<email@example.com>" CONTRIBUTORS Florian Ragwitz (rafl) "<firstname.lastname@example.org>" - Conversion into a Moose Role, which is what the module should have been originally. COPYRIGHT This module itself is copyright (c) 2008 Tomas Doran and is licensed under the same terms as Perl itself.