Variable: org-html-xml-declaration
org-html-xml-declaration is a customizable variable defined in
ox-html.el.gz.
Value
(("html" . "<?xml version=\"1.0\" encoding=\"%s\"?>")
("php"
. "<?php echo \"<?xml version=\\\"1.0\\\" encoding=\\\"%s\\\" ?>\"; ?>"))
Documentation
The extension for exported HTML files.
%s will be replaced with the charset of the exported file.
This may be a string, or an alist with export extensions
and corresponding declarations.
This declaration only applies when exporting to XHTML.
Source Code
;; Defined in /usr/src/emacs/lisp/org/ox-html.el.gz
(defcustom org-html-xml-declaration
'(("html" . "<?xml version=\"1.0\" encoding=\"%s\"?>")
("php" . "<?php echo \"<?xml version=\\\"1.0\\\" encoding=\\\"%s\\\" ?>\"; ?>"))
"The extension for exported HTML files.
%s will be replaced with the charset of the exported file.
This may be a string, or an alist with export extensions
and corresponding declarations.
This declaration only applies when exporting to XHTML."
:group 'org-export-html
:type '(choice
(string :tag "Single declaration")
(repeat :tag "Dependent on extension"
(cons (string :tag "Extension")
(string :tag "Declaration")))))