/[ \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