Doctype in zwei oder einer Zeile? XML-Deklaration

[Ingo Turski]

Hi,

[…] ist der Prolog ohnehin optional.

Nein, im Gegenteil: er ist immer erforderlich. [http://forum.de.selfhtml.org/archiv/2008/4/t170189/#m1112151 ff.]

warum verlinkst Du die XML-Spezifikation, wenn es doch um abwärtskompatibles XHTML geht?
http://www.w3.org/TR/xhtml1/#strict:
"An XML declaration is not required in all XML documents; however XHTML document authors are strongly encouraged to use XML declarations in all their documents. Such a declaration is required when the character encoding of the document is other than the default UTF-8 or UTF-16 and no encoding was determined by a higher-level protocol."

freundliche Grüße
Ingo