Grammar PdfText
	Tokens
		NUMERIC = /-?(([0-9]*[.,_][0-9]+)|([0-9]+))/n
		SPACE = /\s+/n [:Skip]
		HEXSNIPPET = /[0-9A-F]+/in
		ALPHANUMERIC  = /[A-Z0-9\-_?\.]+/in
		TEXTSNIPPET = /\(([^\)\\]|\\[\)\\]?)+\)/n
		TJSNIPPET = /\((\\\(|\([^\(\)]*\)|[^\)\\]|\\[\)\\]?)*\)/n
		IDENTIFIER = /^\/[\w:+\#\-\.]*(, ?[\w:+\#\-\.]*)*/n
		WORD = /[a-z\.]{2,}/in
	Productions
		Target			->	'BT' Exprs 'ET'	[: _, values, _]
		Exprs				->	Expr+ [^: values]
		Expr				->	TmElement [^: val]
								|		Array		[^: val]
								|		TDElement [^: val]
								|		TdElement [^: val]
								|		TcElement [^: val]
								|		TWElement [^: val]	
								|		TfElement [^: val]
								|		TjElement [^: val]
								|		TrElement [^: val]
							  |		TjHex			[^: val]
								|		TStarElement [^: val]
								|		TSElement [^: val]
								|		TLElement [^: val]
								|		TZElement	[^: val]
								|		RgElement[^: val]
								|		Apostroph [^: val]
								|		Quotes [^: val]
                |   LineWidth [^: val]
								|		UElement  [^: val]
		Array			->	'[' TJArrayElements /\]\s*TJ/n
										 [: _, values, _]
		TmElement		->	NUMERIC NUMERIC NUMERIC NUMERIC
										NUMERIC NUMERIC 'Tm'
										[Tm: xscale, alpha, beta, yscale, tmx, tmy, _]
		TDElement		->	NUMERIC NUMERIC 'TD'
										[TD: tdleadx, tdleady,_]
		TdElement		->	NUMERIC NUMERIC 'Td'
										[Td: xpos, ypos,_]
		TcElement		->	NUMERIC 'Tc'
										[Tc: charspace, _]
		TWElement		->	NUMERIC 'Tw'
										[TW: wordspace, _]
		TfElement		->	'/' ALPHANUMERIC NUMERIC 'Tf' 
										[Tf: _, fontname, fontsize, _]
		TLElement		->	NUMERIC 'TL'
										[TL: lead, _]
		TjElement		->	TJSNIPPET 'Tj'
										[Tj: snippet, _ ]
		HexElement	->	'<' HEXSNIPPET '>'
										[^: _, hex, _ ]
                |   '<' '>'
										[^: _, _ ]
	  TjHex				->	HexElement 'Tj'
										[Tjhex: hexsnippet, _ ]
		TJArrayElements	->	TJSingleElement+
												[^: values ]
		TJSingleElement	->	TJSNIPPET
												[: snippet ]
										|		NUMERIC
												[: kerning ]
										|		HexElement
												[: hexsnippet ]
                    |   '())'
		TSElement		->	NUMERIC 'Ts'
										[Ts: textrise]
		TStarElement ->	'T*'
										[TStar: linebreak ]
		TZElement		->	NUMERIC 'Tz'
										[Tz: hscaling]
		RgElement		->	NUMERIC NUMERIC NUMERIC 'rg'
										[Rg: _, _, _, _]
		TrElement		->  NUMERIC 'Tr'
										[Tr: render]
		Apostroph		->	TJSNIPPET	"'"
										[Apo: aposnippet, _]
		Quotes			->	NUMERIC NUMERIC	TJSNIPPET '"'
										[Quo: wordspace, charspace, aposnippet, _]
    LineWidth   ->  NUMERIC 'w'
										[Width: width, _]
		BTElement		->	/^BT$/n
										[BT: _]
		ETElement		->	/^ET$/n
										[ET: _]
		Hash				->	'<<' (IDENTIFIER HashExpr)* '>>'
										[: _, pairs, _]
		HashExpr		->	IDENTIFIER [^: val]
								|		NUMERIC [^: val]
								|		WORD [^: val]
		UElement		->	NUMERIC NUMERIC NUMERIC NUMERIC 'k'
								|		'/' ALPHANUMERIC /[gc]s/in
								|		'/' ALPHANUMERIC Hash /BDC|BMC/
								|		'EMC'
								|		CNElements /scn?/in
								|		NUMERIC /[gijJMG]/n
								|		NUMERIC NUMERIC NUMERIC 'RG'
								|		'[]' NUMERIC 'd'
    CNElements  ->  CNElement+
    CNElement   ->  ALPHANUMERIC
                |   '/' ALPHANUMERIC ALPHANUMERIC?