With this snippet you will have the ability to display the DOCTYPE while sending the correct headers with support for content type negotiation.
It also will correct itself for the W3C validator which does not send the correct Accept header for XHTML documents.
Does NOT send XHTML 1.1 to browsers that wont accept application/xhtml+xml because the snippet will make sure the browser groks XML before sending anything.
visit: labs/PHP/DOCTYPE.php#bug-fix for details and a link to the W3C XHTML for more
PROPERTIES&doc — string (req)
HTML or XHTML
&type — string (opt)
Strict, Transitional, or Frameset
&ver — string (opt)
For XHTML: 1.0 or 1.1 | For HTML5: 5
EXAMPLETo specify html5 use the following:
[[!getDoctype? &doc = `html` &ver = `5`]]