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/[ \t\n]/ { /* Skip spaces and tabs. */ }
/\/\/[^\n]*/ { /* Comments. */ }
/[0-9]+(\.[0-9]+)?%/ { lval.s = yylex.Text(); return FRAC }
/[a-zA-Z][0-9a-zA-Z]*\(/ { lval.s = yylex.Text(); return FUNC }
/[0-9a-zA-Z]*/ { lval.s = yylex.Text(); return ID }
/\[[:_0-9a-zA-Z,. -]*\]/ { lval.s = yylex.Text(); return XREF }
/\$[0-9]*(\.[0-9][0-9])?/ { lval.s = yylex.Text(); return MONEY }
/[0-9a-zA-Z][_0-9a-zA-Z,. -]*=/ { lval.s = yylex.Text(); return ASSIGN }
/[0-9a-zA-Z][_0-9a-zA-Z,. -]*{/ { lval.s = yylex.Text(); return DEF_FORM }
/./ { lval.s = yylex.Text(); return int(lval.s[0]) }
//
package main
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