diff --git a/parsers/survex.py b/parsers/survex.py
index 003760b..1360d4b 100644
--- a/parsers/survex.py
+++ b/parsers/survex.py
@@ -485,10 +485,11 @@ class LoadingSurvex:
         the foreign keys are enabled and one can do queries on the database.
         
         The sequence of survex blocks is constructed from the *include links,
-        depth first, so the list iof survex blocks is topologically sorted. 
+        depth first, so the list of survex blocks is topologically sorted. 
         HOWEVER what matters to the .parent links is the topological sorting
         of the *begin/*end inclusions, which may or may not match the *include sort
-        sequence. Yuk.
+        sequence. The survex dataset is currently OK, but pathological data
+        in future could expose this vulnerability.
         """
         
         def get_toposorted_blocks(blocks):
@@ -588,8 +589,8 @@ class LoadingSurvex:
                     chunk,
                     update_conflicts=True, # root item probably exists already
                     # update_fields needed if we allow conflict update
-                    update_fields=['name', 'title', 'parent', 'date',
-                    'expedition', 'survexfile', 'scanswallet', 'legsall', 'legslength', 'foreigners',], 
+                    update_fields=['name', 'title', 'parent', 'ref_text', 'date',
+                    'expedition', 'survexfile', 'scanswallet', 'legsall', 'legslength', 'foreigners',], # i.e. all of them
                     unique_fields=['_blockid']
                 )
                 print(f"  -   {len(chunk)} SurvexBlocks bulk-created in db", file=sys.stderr)
@@ -599,7 +600,7 @@ class LoadingSurvex:
                 print(message)
                 print(message, file=sys.stderr)
                 stash_data_issue(parser="survex", message=message)
-                
+                # if failure, go and do them individually:
                 sb_save_mysql()
                 
         def sb_save_mysql():
@@ -608,7 +609,8 @@ class LoadingSurvex:
             for sb in chunk:
                 sb.save() # simplest is best, if it works
                 continue
-                
+                # Not using on MariaDB yet: tricky to get foreign keys working
+                # and survex blocks have a foreign key to itself: the "parent"
                 got_obj, created = SurvexBlock.objects.get_or_create(
                     _blockid=sb._blockid,
                 ) # missing most fields
@@ -667,7 +669,8 @@ class LoadingSurvex:
             # return
             try:            
                 SurvexPersonRole.objects.bulk_create(valid_list,
-                    update_fields = ['survexblock', 'personname', 'person', 'personexpedition'],
+                    update_fields = ['survexblock', 'personname', 'person', 
+                        'personexpedition'],
                     unique_fields = ['survexblock', 'personname', 'person', 'personexpedition']
                     )
                 print(f"  - all {len(valid_list)} SurvexPersonRoles bulk-created to db", file=sys.stderr)
@@ -684,7 +687,8 @@ class LoadingSurvex:
             ns = 0
             for pr in valid_list:
                 pr.save() # simplest is best, if it works
-                continue                
+                continue
+                # Not using on MariaDB yet: tricky to get foreign keys working
                 # This is not the complete set of fields we need:
                 got_obj, created = SurvexPersonRole.objects.get_or_create(
                     survexblock=pr.survexblock,
@@ -721,7 +725,7 @@ class LoadingSurvex:
                     parser="survex",
                     message=message
                 )  
-        print(f"  - {len(valid_list)} SurvexPersonRoles in list", file=sys.stderr)
+        print(f"  - {len(valid_list)} SurvexPersonRoles in ist, savibg.. ({connection.vendor})", file=sys.stderr)
         if connection.vendor == 'mysql': 
             pr_save_mysql()
         else:
@@ -733,28 +737,30 @@ class LoadingSurvex:
         """This should be run only after all the survexblocks have 
         been saved to the database and so have _blockid that can be used as a ForeignKey
         
-        Actually we need to update all the fields, not just the co-unique ones,
-        so this is not working correctly at all.
+        Actually we need to create all the fields, not just the co-unique ones,
+        but that is the default. "update_fields" has effect only in conflicts.
         """
         def qm_save_sqlite():
-            qm_save_mysql()
-            return
-            # MariaDB/MySQL do not support (and don't need) unique_fields by sqlite neeeds them
+            # qm_save_mysql()
+            # return
+            # MariaDB/MySQL do not support (and don't need) unique_fields but sqlite needs them
             bulk_kwargs = {
                 "update_conflicts": True,
-                "update_fields": ['block', 'cave', 'blockname', 'grade', 'number', 'expoyear'],
+                # https://docs.djangoproject.com/en/6.0/ref/models/querysets/#bulk-create
+                "update_fields": ['block', 'cave', 'blockname', 'grade', 
+                'number', 'expoyear'], # these updated IF a conflict fails, see documn.
                 "unique_fields": ['cave', 'blockname', 'grade', 'number', 'expoyear'],
             }
             
-            bulk_kwargs
             try:            
-                 QM.objects.bulk_create(qms_valid_list, **bulk_kwargs)                    
+                 QM.objects.bulk_create(qms_valid_list, **bulk_kwargs)    
+                 print(f"  - QMs bulk-created in db", file=sys.stderr)             
             except Exception as e:
                 message = f"\n ! - EXCEPTION '{e}' - in QM bulk update. Falling back onto sequential updates"
                 print(message)
                 print(message, file=sys.stderr)
                 stash_data_issue(parser="survex", message=message)
-                
+                # if failure, go and do them individually:
                 qm_save_mysql()
                            
         def qm_save_mysql():
@@ -763,8 +769,8 @@ class LoadingSurvex:
             for qm in qms_valid_list:
                 qm.save() # simplest is best, if it works
                 continue
-                
-                # This is not the complete set of fields we need:
+                # Not using on MariaDB yet: tricky to get foreign keys working
+                # This is not the complete set of fields we need. Needs extendin
                 got_obj, created = QM.objects.get_or_create(
                     cave_id=qm.cave_id,
                     blockname=qm.blockname,
@@ -786,7 +792,7 @@ class LoadingSurvex:
         qms = []
         for blk in self._pending_qm_saves:
             qms += self._pending_qm_saves[blk]
-        print(f" - Saving {len(qms)} QMs to db", file=sys.stderr)
+        print(f" - Saving {len(qms)} QMs to db, saving.. ({connection.vendor})", file=sys.stderr)
  
         qms_valid_list = self.validify(qms, "QM")
         if connection.vendor == 'mysql':