diff -urN pdksh-5.2.14.org/eval.c pdksh-5.2.14/eval.c
--- pdksh-5.2.14.org/eval.c	2004-04-08 02:08:08.183779408 +0200
+++ pdksh-5.2.14/eval.c	2004-04-08 02:08:18.122268528 +0200
@@ -53,6 +53,8 @@
 				 char *end, int fdo));
 #endif
 
+int expression_evaluation = 0;
+
 /* compile and expand word */
 char *
 substitute(cp, f)
@@ -246,6 +248,7 @@
 				}
 				continue;
 			  case EXPRSUB:
+				expression_evaluation++;
 				word = IFS_WORD;
 				tilde_ok = 0;
 				if (f & DONTRUNCOMMAND) {
@@ -270,6 +273,7 @@
 						*dp++ = *p++;
 					}
 				}
+				expression_evaluation = 0;
 				continue;
 			  case OSUBST: /* ${{#}var{:}[=+-?#%]word} */
 			  /* format is:
diff -urN pdksh-5.2.14.org/expr.c pdksh-5.2.14/expr.c
--- pdksh-5.2.14.org/expr.c	2004-04-08 02:08:08.184779256 +0200
+++ pdksh-5.2.14/expr.c	2004-04-08 02:08:48.283683296 +0200
@@ -223,6 +223,7 @@
 	char tbuf[2];
 	const char *s;
 
+	expression_evaluation = 0;
 	switch (type) {
 	case ET_UNEXPECTED:
 		switch (es->tok) {
diff -urN pdksh-5.2.14.org/sh.h pdksh-5.2.14/sh.h
--- pdksh-5.2.14.org/sh.h	2004-04-08 02:08:08.189778496 +0200
+++ pdksh-5.2.14/sh.h	2004-04-08 02:08:18.124268224 +0200
@@ -376,6 +376,8 @@
 EXTERN	int	subst_exstat;	/* exit status of last $(..)/`..` */
 EXTERN	const char *safe_prompt; /* safe prompt if PS1 substitution fails */
 
+/* pld hack */
+EXTERN	int	expression_evaluation;	/* 1 if $(( )) expression is evaluated */
 
 /*
  * Area-based allocation built on malloc/free
diff -urN pdksh-5.2.14.org/var.c pdksh-5.2.14/var.c
--- pdksh-5.2.14.org/var.c	2004-04-08 02:08:08.187778800 +0200
+++ pdksh-5.2.14/var.c	2004-04-08 02:08:18.126267920 +0200
@@ -439,6 +439,15 @@
 	base = 10;
 	num = 0;
 	neg = 0;
+	if (expression_evaluation && *s == '0' && *(s+1)) {
+	    	s++;
+		if (*s == 'x' || *s == 'X') {
+		    	s++;
+			base = 16;
+		} else
+		    	base = 8;
+		have_base++;
+	}
 	for (c = *s++; c ; c = *s++) {
 		if (c == '-') {
 			neg++;