diff --git a/VERSION b/VERSION
index 6e70b3e3..2a2964ec 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-8.3.330
+8.3.331
diff --git a/calma/CalmaWrite.c b/calma/CalmaWrite.c
index f2d4588a..fe609447 100644
--- a/calma/CalmaWrite.c
+++ b/calma/CalmaWrite.c
@@ -1221,6 +1221,8 @@ calmaOutFunc(def, f, cliprect)
     int type;
     int dbunits;
     calmaOutputStruct cos;
+    bool propfound;
+    char *propvalue;
 
     cos.f = f;
     cos.area = (cliprect == &TiPlaneRect) ? NULL : cliprect;
@@ -1277,6 +1279,19 @@ calmaOutFunc(def, f, cliprect)
 
     /* Output all the tiles associated with this cell; skip temporary layers */
     GEO_EXPAND(&def->cd_bbox, CIFCurStyle->cs_radius, &bigArea);
+
+    /* Include any fixed bounding box as part of the area to process,	*/
+    /* in case the fixed bounding box is larger than the geometry.	*/
+    propvalue = (char *)DBPropGet(def, "FIXED_BBOX", &propfound);
+    if (propfound)
+    {
+	Rect bbox;
+
+        if (sscanf(propvalue, "%d %d %d %d", &bbox.r_xbot, &bbox.r_ybot,
+                &bbox.r_xtop, &bbox.r_ytop) == 4)
+	    GeoInclude(&bbox, &bigArea);
+    }
+
     CIFErrorDef = def;
     CIFGen(def, def, &bigArea, CIFPlanes, &DBAllTypeBits, TRUE, TRUE, FALSE,
 		(ClientData)f);
diff --git a/doc/html/lef.html b/doc/html/lef.html
index 9de27c4e..52b1f31d 100644
--- a/doc/html/lef.html
+++ b/doc/html/lef.html
@@ -39,7 +39,7 @@ LEF-format input and output
 		to annotate existing layouts, and ignore all other macros.
 	   <DT> <B>write</B> [<I>cell</I>] [<B>-tech</B>]
 		[<B>-hide</B> [<I>distance</I>]] [<B>-toplayer</B>]
-		[<B>-nomaster</B>]
+		[<B>-pinonly</B> [<I>distance</I>]] [<B>-nomaster</B>]
 	   <DD> Write LEF for the current or indicated cell.<BR>
 		Option <B>-tech</B> writes the technology information (layer
 		mapping and rules) to the same file as the cell macro. <BR>
@@ -57,6 +57,12 @@ LEF-format input and output
 		Option <B>-toplayer</B> outputs pin geometry only for the
 		topmost layer belonging to the pin;  all connected layers
 		underneath will be output as obstructions. <BR>
+		Option <B>-pinonly</B> will mark only areas that are port
+		labels as pins, while marking the rest of each related net
+		as an obstruction.  Value <I>distance</I>, if given, will
+		extend any pin beyond the marked port label along the length
+		of the same net, to the specified distance into the interior
+		of the cell. <BR>
 		Option <B>-nomaster</B> will prevent the generation of
 		output geometry on layers defined as MASTERSLICE.
 	   <DT> <B>writeall</B> [<B>-tech</B>] [<B>-hide</B> [<I>distance</I>]]