<!-- Include app-specific error messages - do not change this in localization!
Some applications might override netErrorApp.dtd with their specific version,
this inclusion needs to be intact for that approach to work correctly. -->
<!ENTITY % netErrorAppDTD SYSTEM "chrome://global/locale/netErrorApp.dtd">
%netErrorAppDTD;
Maybe there is missing
<!-- Include app-specific error messages - do not change this in localization! //global/ locale/ netErrorApp. dtd">
Some applications might override netErrorApp.dtd with their specific version,
this inclusion needs to be intact for that approach to work correctly. -->
<!ENTITY % netErrorAppDTD SYSTEM "chrome:
%netErrorAppDTD;
at the end of the file - see http:// mxr.mozilla. org/mozilla/ source/ dom/locales/ en-US/chrome/ netError. dtd