======= Frames =======
|<frame>  |:=  |OS_FRAME ident '[' <number> ',' <number> ']' '{' <framestlist> '}'  |
|  |  ;  |  |
|<framestlist>  |:=  |<framest> <framestlist>  |
|  |  ;  |  |
|<framest>  |:=  |OS_BORDERCOLOR <number> ';'  |
|  |  ''|''  |OS_BORDERWIDTH <number> ';'  |
|  |  ''|''  |OS_BORDERMAP <number> ';'  |
|  |  ''|''  |OS_BORDERTYPE <number> ';'  |
|  |  ''|''  |OS_TLCOLOR <number> ';'  |
|  |  ''|''  |OS_BGCOLOR <number> ';'  |
|  |  ''|''  |OS_LINEHEIGHT <number> ';'  |
|  |  ''|''  |OS_TITLE <number> ';'  |
|  |  ''|''  |OS_TITLEPOS <number> ';'  |
|  |  ''|''  |OS_TALIGN <number> ';'  |
|  |  ''|''  |OS_MFIELDLIST '{' <positionfieldlist> '}'  |
|  |  ;  |  |
|<updateframe>  |:=  |OS_UPDATEFRAME ident '[' <number> ',' <number> ']' '{' <framestlist> '}'  |
|  |  ;  |  |
|<positionfieldlist>  |:=  |<addormove> ident '[' <number> ',' <number> ']' ';'  |
|  |  ''|''  |OS_DELETE ident ';'  |
|<addormove>  |:=  |OS_ADD  |
|  |  ''|''  |OS_MOVE  |
|  |  ;  |  |