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-rw-r--r--shell/math.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/shell/math.c b/shell/math.c
index 9d3b912..760645d 100644
--- a/shell/math.c
+++ b/shell/math.c
@@ -652,10 +652,10 @@ evaluate_string(arith_state_t *math_state, const char *expr)
* integer stack.
* But for binary operators, "apply" everything on the operator
* stack until we find an operator with a lesser priority than the
- * one we have just extracted.
+ * one we have just extracted. If op is right-associative,
+ * then stop "applying" on the equal priority too.
* Left paren is given the lowest priority so it will never be
* "applied" in this way.
- * if associativity is right and priority eq, applied also skip
*/
prec = PREC(op);
if ((prec > 0 && prec < UNARYPREC) || prec == SPEC_PREC) {