cli show options. doc and testing

lib/src/clixon_proto.c

@@ -293,8 +293,8 @@ static int
 msg_dump(struct clicon_msg *msg)
 {
     int  i;
-    char buf[9*8];
-    char buf2[9*8];
+    char buf[9*8+1];
+    char buf2[9*8+1];
     
     memset(buf2, 0, sizeof(buf2));
     snprintf(buf2, sizeof(buf2), "%s:", __FUNCTION__);

lib/src/clixon_xml.c

@@ -881,7 +881,7 @@ xml_child_order(cxobj *xp,
  * Further, never manipulate the child-list during operation or using the
  * same object recursively, the function uses an internal field to remember the
  * index used. It works as long as the same object is not iterated concurrently. 
- * If you need to delete a node you can do somethjing like:
+ * If you need to delete a node you can do somethhing like:
  * @code
  *   cxobj *xprev = NULL;
  *   cxobj *x = NULL;
@@ -892,6 +892,7 @@ xml_child_order(cxobj *xp,
  *	    x = xprev;
  *	    continue;  
  *      }
+ *      xprev = x;
  *   }
  * @endcode
 #ifdef XML_EXPLICIT_INDEX

lib/src/clixon_xml_nsctx.c

@@ -310,6 +310,7 @@ xml_nsctx_node(cxobj *xn,
  * xml_nsctx_free(nsc)
  * @endcode
  * @see RFC7950 Sections 6.4.1 (and 9.9.2?)
+ * @note Assume yn is in a yang structure (eg has parents and belongs to a (sub)module)
  */
 int
 xml_nsctx_yang(yang_stmt *yn,