shell/math: better comment. no code changes
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| @@ -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) { | |