fragment program
<optLegacyTexUnitNum> ::= ""
| "[" <legacyTexUnitNum> "]"
-
-NOTE: <optLegaceTexUnitNum> is not optional.
*/
optLegacyTexUnitNum
+ optLegacyTexUnitNum_1 .or .true .emit 0x00;
+optLegacyTexUnitNum_1
lbracket_ne .and legacyTexUnitNum .and rbracket;
/*
' ' .or '\t' .or '\n' .or '\r';
comment_block
- '#' .and .loop comment_char .and new_line;
+ '#' .and .loop comment_char .and optional_new_line;
/* All ASCII characters except '\r', '\n' and '\0' */
comment_char
'\x0E'-'\xFF' .or '\x01'-'\x09' .or '\x0B'-'\x0C';
-new_line
- '\n' .or crlf .or '\0';
+optional_new_line
+ '\n' .or crlf .or .true;
crlf
'\r' .and '\n';