diff -r c18b991eaad2 -r bdd731e4edbf progs/lexer/lex.sc
--- a/progs/lexer/lex.sc	Wed Nov 04 17:34:52 2020 +0000
+++ b/progs/lexer/lex.sc	Sat Nov 07 00:07:28 2020 +0000
@@ -145,7 +145,7 @@
 }
 def RANGE(s: String) = Range(s.toList)
 
-val SYM = RANGE("ABCDEFGHIJKLMNOPQRSTUVXYZabcdefghijklmnopqrstuvwxyz_")
+val SYM = RANGE("ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz_")
 val DIGIT = RANGE("0123456789")
 val ID = SYM ~ (SYM | DIGIT).% 
 val NUM = PLUS(DIGIT)