X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=helm%2Fwww%2Fmatita%2Fxhtml-header.shtml;h=ad156d65104333e228904b5df3ccc93616ff915f;hb=a1005281fc2ce93d430716f530c717c8ad4278ef;hp=a78b3ccf58adff9fc7d112c4e5f5cbbec6dc40ad;hpb=d62d1b28015b18a515bdf81e2a8f658d158fae5a;p=helm.git diff --git a/helm/www/matita/xhtml-header.shtml b/helm/www/matita/xhtml-header.shtml index a78b3ccf5..ad156d651 100644 --- a/helm/www/matita/xhtml-header.shtml +++ b/helm/www/matita/xhtml-header.shtml @@ -2,4 +2,4 @@ + "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">