updated

diff --git a/man/pc_prlib.7 b/man/pc_prlib.7
index 61b4059..c72c084 100644 (file)
--- a/man/pc_prlib.7
+++ b/man/pc_prlib.7
@@ -51,7 +51,7 @@ procedure     _rst(var p:^integer);
 procedure      _pac(var ad,zd:arrdescr; var zp:arr2; i:integer;
                      var ap:arr1);
 procedure      _unp(var ad,zd:arrdescr; i:integer; var ap:arr1;
-                     var zp:arr2;);
+                     var zp:arr2;nosgnext:boolean);
 function       _asz(var dp:arrdescr):integer;
 
 procedure      _ass(line:integer; b:boolean);
@@ -252,7 +252,8 @@ Pack until \fIz\fP is full.
 Unpack \fIz\fP into \fIa\fP.
 \fIap\fP, \fIzp\fP, \fIad\fP and \fIzd\fP are as for _pac. \fIi\fP is
 the index in \fIa\fP where the first element of \fIz\fP is copied into.
-Unpack all elements of \fIz\fP.
+Unpack all elements of \fIz\fP. The boolean flag \fInosgnext\fP indicates
+whether the values should or should not be sign-extended.
 .IP _asz
 Compute array size. Used for copying conformant arrays.
 .PD