diff options
| -rw-r--r-- | shell/math.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/shell/math.c b/shell/math.c index 0426e2d..9e81d60 100644 --- a/shell/math.c +++ b/shell/math.c @@ -856,9 +856,11 @@ evaluate_string(arith_state_t *math_state, const char *expr) */ prec = PREC(op); if (prec != PREC_LPAREN && prec < UNARYPREC) { - /* binary, ternary or RPAREN */ + /* Binary, ternary or RPAREN */ if (lasttok != TOK_VALUE) { - /* must be preceded by a num (example?) */ + /* Must be preceded by a value. + * $((2 2 + * 3)) would be accepted without this. + */ goto syntax_err; } /* if op is RPAREN: |