The following is a list of META commands that have been formally adopted into the LDraw.org File Format and links to the applicable specifications. Note that all new official META commands will have a "!" as the prefix character
For a list of the known unoffical META commands see:
List of Known Unofficial META Commands and the Programs That Use Them [4]
Author
LDraw.org Official Library Header Specification [5]
BFC
LDraw.org Language Extension for Clipping (BFC) [6]
!CATEGORY
LDraw.org CATEGORY and KEYWORDS Language Extension [7]
CLEAR
LDraw 1.0 file format [8]
!CMDLINE
LDraw.org Official Library Header Specification [9]
!COLOUR
LDraw.org Colour Definition Language Extension [10]
!HELP
LDraw.org Official Library Header Specification [11]
!HISTORY
LDraw.org Official Library Header Specification [12]
!KEYWORDS
LDraw.org CATEGORY and KEYWORDS Language Extension [13]
!LDRAW_ORG
LDraw.org Official Library Header Specification [14]
LDRAW_ORG
Deprecated in favour of !LDRAW_ORG
!LICENSE
LDraw.org Official Library Header Specification [15]
Name
LDraw.org Official Library Header Specification [16]
PAUSE
LDraw 1.0 file format [17]
PRINT
LDraw 1.0 file format [18]
SAVE
LDraw 1.0 file format [19]
STEP
LDraw 1.0 file format [20]
WRITE
LDraw 1.0 file format [21]
Note:
This document is an offical LSC specification and/or language extension. Material changes can only be made after ratification by the LSC.