- lex_get (lexer);
- if ( ! lex_force_match (lexer, ',')) return 2;
- if ( ! lex_force_num (lexer) ) return 2;
- btp->category2 = lex_number (lexer);
- lex_get (lexer);
+ lex_get (lexer);
+ if ( lex_match (lexer, ','))
+ {
+ if ( ! lex_force_num (lexer) ) return 2;
+ btp->category2 = lex_number (lexer);
+ lex_get (lexer);
+ }
+ else
+ {
+ btp->cutpoint = btp->category1;
+ }
+