%XML_FORMATANY Formats a matlab variable into an XML string.
%
% SYNTAX
% xmlstr = xml_formatany(V)
% xmlstr = xml_formatany(V, rootname )
%
% INPUT
% V Matlab variable or structure.
% The data types we can deal with are:
% char, numeric, complex, struct, sparse, cell, logical/boolean
% -> struct fields named ATTRIBUTE (user-definable) get converted into XML attribute
% Not handled are data types:
% function_handle, single, intxx, uintxx, java objects
%
% rootname optional, give root element a specific name, eg. 'books'
%
% OUTPUT
% xmlstr string, containing XML description of variable V
%
% SPECIAL FIELDNAMES
% .ATTRIBUTE. define additional attributes by using subfields, eg V.ATTRIBUTE.type='mydbtype'
% .CONTENT define content if attribute field given (all capitals)
% .ATTRIBUTE.NAMESPACE define namespace (all capitals)
% .ATTRIBUTE.TAGNAME define element tag name (if not an allowed Matlab fieldname in struct) e.g.: v.any.ATTRIBUTE.TAGNAME = 'xml-gherkin'
%
% SEE ALSO
% xml_help, xml_parse, xml_parseany, xml_load, xml_save, (xmlread, xmlwrite)
% Copyright (C) 2002-2005, University of Southampton
% Author: Dr Marc Molinari <m.molinari@soton.ac.uk>
% $Revision: 1.1 $ $Date: 2005/04/15 17:12:14 $ $Tag$
