<!-- Syntax tokens -->
<!ENTITY % token_values "NULL | COMMENT1 | COMMENT2 | COMMENT3 | COMMENT4 |
	DIGIT | FUNCTION | INVALID | KEYWORD1 | KEYWORD2 | KEYWORD3 | KEYWORD4 |
	LABEL | LITERAL1 | LITERAL2 | LITERAL3 | LITERAL4 | MARKUP | OPERATOR" >
<!ENTITY % tokens "( %token_values; )" >

<!-- Entities for attributes shared by multiple rules -->
<!ENTITY % att-bool '( TRUE | FALSE ) #IMPLIED' >
<!ENTITY % att-type 'TYPE %tokens; #IMPLIED' >
<!ENTITY % att-position-mix 'AT_LINE_START %att-bool;
	AT_WHITESPACE_END %att-bool;
	AT_WORD_START %att-bool; ' >
<!ENTITY % att-match-type 'MATCH_TYPE ( %token_values; | CONTEXT | RULE ) #IMPLIED' >
<!ENTITY % att-delegate 'DELEGATE CDATA #IMPLIED' >
<!ENTITY % att-span-mix 'NO_LINE_BREAK %att-bool;
	NO_WORD_BREAK %att-bool;
    ESCAPE CDATA #IMPLIED '>
<!ENTITY % att-hash-char 'HASH_CHAR CDATA #IMPLIED
	HASH_CHARS CDATA #IMPLIED' >

<!-- MODE element -->
<!ELEMENT MODE ( PROPS?, RULES* ) >

<!-- MODE children -->
<!-- PROPS element -->
<!ELEMENT PROPS ( PROPERTY+ ) >

<!-- PROPS children -->
<!ELEMENT PROPERTY EMPTY >
<!ATTLIST PROPERTY
	NAME CDATA #REQUIRED
	VALUE CDATA #REQUIRED >

<!-- RULES element -->
<!ELEMENT RULES ( PROPS?, ( IMPORT | TERMINATE | SEQ | SEQ_REGEXP | SPAN
	| SPAN_REGEXP | EOL_SPAN | EOL_SPAN_REGEXP | MARK_PREVIOUS
	| MARK_FOLLOWING )*, KEYWORDS? ) >

<!-- RULES attributes -->
<!ATTLIST RULES
	SET CDATA #IMPLIED
	IGNORE_CASE %att-bool;
	HIGHLIGHT_DIGITS %att-bool;
	DIGIT_RE CDATA #IMPLIED
	ESCAPE CDATA #IMPLIED
	DEFAULT %tokens; #IMPLIED
	NO_WORD_SEP CDATA #IMPLIED >

<!-- IMPORT element -->
<!ELEMENT IMPORT EMPTY >
<!ATTLIST IMPORT DELEGATE CDATA #REQUIRED >

<!-- TERMINATE element -->
<!ELEMENT TERMINATE EMPTY >
<!ATTLIST TERMINATE AT_CHAR CDATA #REQUIRED >

<!-- SEQ element -->
<!ELEMENT SEQ ( #PCDATA ) >

<!-- SEQ attributes -->
<!ATTLIST SEQ
	%att-type;
	%att-position-mix;
	%att-delegate; >

<!-- SEQ_REGEXP element -->
<!ELEMENT SEQ_REGEXP ( #PCDATA ) >

<!-- SEQ_REGEXP attributes -->
<!ATTLIST SEQ_REGEXP
	%att-hash-char;
	%att-type;
	%att-position-mix;
	%att-delegate; >

<!-- SPAN element -->
<!ELEMENT SPAN ( BEGIN, END ) >

<!-- SPAN attributes -->
<!ATTLIST SPAN
	%att-type;
	%att-position-mix;
	%att-span-mix;
	%att-match-type;
	%att-delegate; >

<!-- SPAN_REGEXP element -->
<!ELEMENT SPAN_REGEXP ( BEGIN, END ) >

<!-- SPAN_REGEXP attributes -->
<!ATTLIST SPAN_REGEXP
	%att-hash-char;
	%att-type;
	%att-position-mix;
	%att-span-mix;
	%att-match-type;
	%att-delegate; >

<!-- SPAN and SPAN_REGEXP children -->
<!ELEMENT BEGIN ( #PCDATA ) >
<!ATTLIST BEGIN %att-position-mix; >
<!ELEMENT END ( #PCDATA ) >
<!ATTLIST END %att-position-mix; >

<!-- EOL_SPAN element -->
<!ELEMENT EOL_SPAN ( #PCDATA ) >

<!-- EOL_SPAN attributes -->
<!ATTLIST EOL_SPAN
	%att-type;
	%att-position-mix;
	%att-match-type;
	%att-delegate; >

<!-- EOL_SPAN_REGEXP element -->
<!ELEMENT EOL_SPAN_REGEXP ( #PCDATA ) >

<!-- EOL_SPAN_REGEXP attributes -->
<!ATTLIST EOL_SPAN_REGEXP
	%att-hash-char;
	%att-type;
	%att-position-mix;
	%att-match-type;
	%att-delegate; >

<!-- MARK_FOLLOWING element -->
<!ELEMENT MARK_FOLLOWING ( #PCDATA ) >

<!-- MARK_FOLLOWING attributes -->
<!ATTLIST MARK_FOLLOWING
	%att-type;
	%att-position-mix;
	%att-match-type; >

<!-- MARK_PREVIOUS element -->
<!ELEMENT MARK_PREVIOUS ( #PCDATA ) >

<!-- MARK_PREVIOUS attributes -->
<!ATTLIST MARK_PREVIOUS
	%att-type;
	%att-position-mix;
	%att-match-type; >

<!-- KEYWORDS element -->
<!ELEMENT KEYWORDS (%tokens;)+ >

<!-- KEYWORDS children -->
<!ELEMENT COMMENT1 ( #PCDATA ) >
<!ELEMENT COMMENT2 ( #PCDATA ) >
<!ELEMENT COMMENT3 ( #PCDATA ) >
<!ELEMENT COMMENT4 ( #PCDATA ) >
<!ELEMENT DIGIT ( #PCDATA ) >
<!ELEMENT FUNCTION ( #PCDATA ) >
<!ELEMENT KEYWORD1 ( #PCDATA ) >
<!ELEMENT KEYWORD2 ( #PCDATA ) >
<!ELEMENT KEYWORD3 ( #PCDATA ) >
<!ELEMENT KEYWORD4 ( #PCDATA ) >
<!ELEMENT LABEL ( #PCDATA ) >
<!ELEMENT LITERAL1 ( #PCDATA ) >
<!ELEMENT LITERAL2 ( #PCDATA ) >
<!ELEMENT LITERAL3 ( #PCDATA ) >
<!ELEMENT LITERAL4 ( #PCDATA ) >
<!ELEMENT MARKUP ( #PCDATA ) >
<!ELEMENT NULL ( #PCDATA ) >
<!ELEMENT OPERATOR ( #PCDATA ) >
<!ELEMENT INVALID ( #PCDATA ) >
