[LSC] LDraw File Spec -Initial public comments

[William Howard]

>the example "0 LDPARSER EXAMPLE" wraps on my screen

Done


> the examples in "File type" don't quite match the current LDRAW_ORG 

> standard either.

Done

And I've made LDPARSER into !LDPARSER as we're recommending the leading ! on 
all meta-commands

William