shithub: kwa

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treat all empty strings equally (from 9front)

--- a/run.c

+++ b/run.c

@@ -290,7 +290,7 @@

 	y = gettemp();

 	y->csub = CCOPY;	/* prevents freeing until call is over */

 	y->nval = x->nval;	/* BUG? */

-	y->sval = x->sval != nil && x->sval != EMPTY ? tostring(x->sval) : EMPTY;

+	y->sval = x->sval != nil && *x->sval ? tostring(x->sval) : EMPTY;

 	y->fval = x->fval;

 	y->tval = x->tval & ~(CON|FLD|REC|DONTFREE);	/* copy is not constant or field */

 	if (y->sval == EMPTY)

-- 

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