Re: luaxml nested entities

[Sean Conner <sean@...>]

It was thus said that the Great Chris Datfung once stated:
> On Tue, Oct 15, 2013 at 11:15 PM, Sean Conner <sean@conman.org> wrote:
> 
> >
> >         -- convert the table to an XML object
> >         doc = xml.new(doc)
> >         print(doc)
> >
> >
> Thanks, that did the trick. Normally when I try running print on a table I
> need to use ipairs() to print its contents. What is unique about the doc
> object (which is essentially a table in lua if I understand correctly) that
> allows you to use the print() function directly? Can I convert the doc
> object to a string and keep the formatting as well?

  There are metatables associated with each table in the doc object that
provide a __tostring method.  The print() function calls tostring() on any
paramters, so doing a 

	x = tostring(doc)
	print(x)

is the same as

	print(doc)

  -spc