- Dokumentation updates

- Fixed bad file generated through nuweb
- fixed problems in synchronize.c
- New file writing scheme implemented
- Changes to hkl

conman.c

@@ -958,6 +958,15 @@ void SCSetWriteFunc(SConnection *self, writeFunc x)
         return 0;
      }
 
+     /*
+       do nothing if no data
+     */
+     if(pName == NULL || pData == NULL)
+     {
+       SCWrite(self,"ERROR: no data to write in SCWriteZiped",eError);
+       return 0;
+     }
+
      /* initialize the compression stuff */
      compStream.zalloc =  (alloc_func)NULL;
      compStream.zfree  =  (free_func)NULL;