nxml does not understand xsd schemas or rng schemas, only rnc (relaxng compact syntax) so you need to convert whatever schema you have to rnc. That done, emacs makes a good xml editor. Morgan ----- Original Message ----- From: "Le Wang" To: "Giulio Petrucci" Cc: help-gnu-emacs@gnu.org Sent: Tuesday, February 22, 2011 11:48:15 AM Subject: Re: emacs as an XML editor I don't work with nxml very often, but see here: http://stackoverflow.com/questions/917337/schema-sensitive-editing-in-emacs-based-on-w3c-xml-schema-not-rng Nxml only understands rng schema. On Wed, Feb 23, 2011 at 12:28 AM, Giulio Petrucci wrote: Hi Le Wang, first of all thank you for your quick reply. On 2/22/2011 5:23 PM, Le Wang wrote: nxml, convert your xsd to rng. Uhm... I'm trying it but when I open an .xsd scheme I have a message in the minibuffer saying: "No scheme loader available for file extension 'xsd'". I know I'm doing something wrong but I can't get *what* (as I'm quite a n00b). :-) thanks, Giulio -- -- Le