Ja klar, Cache war in FF 3.6.2 gelöscht.
Bin aber einen Schritt weiter: Es ist das Firefox Addon XMTL Validator. Sobald ich dieses deaktiviere, werden die Dateien angezeigt.
Addon
https://addons.mozilla.org/de/firefox/addon/249Komisch ist, dass auf einer 2. WB Installation die Dateien auch mit diesem Addon angzeigt werden - dieser XHML Validator aber für genau diese Media Seite 25 XHTML-Fehler auflistet...
Result: 25 Fehler / 2 Warnungen
line 39 column 67 - Warnung: cannot generate system identifier for general entity "up"
line 39 column 67 - Fehler: general entity "up" not defined and no default entity
line 39 column 69 - Fehler: reference to entity "up" for which no system identifier could be generated
line 39 column 66 - Info: entity was defined here
line 40 column 133 - Fehler: value of attribute "align" cannot be "absmiddle"; must be one of "top", "middle", "bottom", "left", "right"
line 42 column 69 - Fehler: reference to entity "up" for which no system identifier could be generated
line 39 column 66 - Info: entity was defined here
line 51 column 116 - Fehler: value of attribute "align" cannot be "absmiddle"; must be one of "top", "middle", "bottom", "left", "right"
line 78 column 49 - Fehler: syntax of attribute value does not conform to declared value
line 85 column 29 - Warnung: cannot generate system identifier for general entity "id"
line 85 column 29 - Fehler: general entity "id" not defined and no default entity
line 85 column 31 - Fehler: reference to entity "id" for which no system identifier could be generated
line 85 column 28 - Info: entity was defined here
line 90 column 174 - Fehler: reference to entity "id" for which no system identifier could be generated
line 85 column 28 - Info: entity was defined here
line 100 column 43 - Fehler: syntax of attribute value does not conform to declared value
line 107 column 31 - Fehler: reference to entity "id" for which no system identifier could be generated
line 85 column 28 - Info: entity was defined here
line 112 column 168 - Fehler: reference to entity "id" for which no system identifier could be generated
line 85 column 28 - Info: entity was defined here
line 122 column 44 - Fehler: syntax of attribute value does not conform to declared value
line 129 column 31 - Fehler: reference to entity "id" for which no system identifier could be generated
line 85 column 28 - Info: entity was defined here
line 134 column 169 - Fehler: reference to entity "id" for which no system identifier could be generated
line 85 column 28 - Info: entity was defined here
line 144 column 44 - Fehler: syntax of attribute value does not conform to declared value
line 151 column 31 - Fehler: reference to entity "id" for which no system identifier could be generated
line 85 column 28 - Info: entity was defined here
line 156 column 169 - Fehler: reference to entity "id" for which no system identifier could be generated
line 85 column 28 - Info: entity was defined here
line 166 column 55 - Fehler: syntax of attribute value does not conform to declared value
line 173 column 31 - Fehler: reference to entity "id" for which no system identifier could be generated
line 85 column 28 - Info: entity was defined here
line 178 column 180 - Fehler: reference to entity "id" for which no system identifier could be generated
line 85 column 28 - Info: entity was defined here
line 188 column 44 - Fehler: syntax of attribute value does not conform to declared value
line 195 column 31 - Fehler: reference to entity "id" for which no system identifier could be generated
line 85 column 28 - Info: entity was defined here
line 200 column 169 - Fehler: reference to entity "id" for which no system identifier could be generated
line 85 column 28 - Info: entity was defined here
line 205 column 7 - Fehler: end tag for "tbody" omitted, but OMITTAG NO was specified
line 71 column 1 - Info: start tag was here