Add cross references between the docstrings for regular SBValue iteration:

    for child in value:
        # do something with the child value

and SBValue.linked_list_iter():

    for task in task_head.linked_list_iter('next', eol_test):
        # visit each item in the linked list


git-svn-id: https://llvm.org/svn/llvm-project/llvdb/trunk@136015 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/scripts/Python/modify-python-lldb.py b/scripts/Python/modify-python-lldb.py
index 6b44f26..0a0ad24 100644
--- a/scripts/Python/modify-python-lldb.py
+++ b/scripts/Python/modify-python-lldb.py
@@ -83,17 +83,23 @@
 '''
 
 #
-# linked_list_iter() is a special purpose iterator to treat the SBValue as a
-# list data structure, where you specify the child member name which points to
-# the next item on the list and you specify the end-of-list function which takes
-# an SBValue and returns True if EOL is reached and False if not.
+# linked_list_iter() is a special purpose iterator to treat the SBValue as the
+# head of a list data structure, where you specify the child member name which
+# points to the next item on the list and you specify the end-of-list function
+# which takes an SBValue and returns True if EOL is reached and False if not.
 #
 linked_list_iter_def = '''
     # ==================================================
     # Iterator for lldb.SBValue treated as a linked list
     # ==================================================
     def linked_list_iter(self, next_item_name, end_of_list):
-        """A generator adaptor to support iteration for SBValue as a linked list.
+        """Generator adaptor to support iteration for SBValue as a linked list.
+
+        linked_list_iter() is a special purpose iterator to treat the SBValue as
+        the head of a list data structure, where you specify the child member
+        name which points to the next item on the list and you specify the
+        end-of-list test function which takes an SBValue for an item and returns
+        True if EOL is reached and False if not.
 
         For example,