Perfect! Having seen that, I also found the "contentType" attribute and its description here:
https://developer.mozilla.org/en-US/docs/Mozilla/Tech/XPCOM/Reference/Interface/nsIChannel which allows me to mimic the behaviour. Thanks a lot for the pointer! John _______________________________________________ dev-platform mailing list dev-platform@lists.mozilla.org https://lists.mozilla.org/listinfo/dev-platform
