Index: db.scm
==================================================================
--- db.scm
+++ db.scm
@@ -50,9 +50,6 @@
 
 (define *rundb-mutex* (make-mutex)) ;; prevent problems opening/closing rundb's
 (define *number-of-writes* 0)
 (define *number-non-write-queries* 0)
 
-
-;; tiresome setup for rmtmod (and other mods) goes here
-;; (set-fn 'db:dbfile-path common:get-db-tmp-area)
 (set-fn 'db:setup       dbmod#db:setup)

Index: dbmod.scm
==================================================================
--- dbmod.scm
+++ dbmod.scm
@@ -4484,9 +4484,11 @@
     ;; brutal clean up
     (stack-push! (dbr:dbstruct-dbstack dbstruct) dbdat)
     (system "rm -rf tempdir")))
 
 ;; (db:extract-ods-file db "outputfile.ods" '(("sysname" "%")("fsname" "%")("datapath" "%")) "%")
+;; tiresome setup for rmtmod (and other mods) goes here
+;; (set-fn 'db:dbfile-path common:get-db-tmp-area)
 
 
 
 )

ADDED   docs/code/Makefile
Index: docs/code/Makefile
==================================================================
--- /dev/null
+++ docs/code/Makefile
@@ -0,0 +1,3 @@
+module-hierarchy.pdf : module-hierarchy.dot
+	dot -Tpdf module-hierarchy.dot -o module-hierarchy.pdf
+

ADDED   docs/code/module-hierarchy.dot
Index: docs/code/module-hierarchy.dot
==================================================================
--- /dev/null
+++ docs/code/module-hierarchy.dot
@@ -0,0 +1,84 @@
+//  Copyright 2006-2017, Matthew Welland.
+// 
+// This file is part of Megatest.
+// 
+//     Megatest is free software: you can redistribute it and/or modify
+//     it under the terms of the GNU General Public License as published by
+//     the Free Software Foundation, either version 3 of the License, or
+//     (at your option) any later version.
+// 
+//     Megatest is distributed in the hope that it will be useful,
+//     but WITHOUT ANY WARRANTY; without even the implied warranty of
+//     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+//     GNU General Public License for more details.
+// 
+//     You should have received a copy of the GNU General Public License
+//     along with Megatest.  If not, see <http://www.gnu.org/licenses/>.
+// 
+digraph megatest_code_hierarchy {
+  ranksep=0.05;
+  // rankdir=LR
+
+  node [shape=box,style=filled];
+
+  "common" [label="common module"];
+
+  subgraph cluster_megatest {
+    label="megatest";
+    "common" -> "api" -> "rmt";
+    "common" -> "rmt";
+  }
+  
+//  subgraph cluster_code_hierarchy {
+//    label="Packets";
+//    "SPKTS" [ label = "Sensor Packets" ];
+//    "run code-hierarchy";
+//    "work code-hierarchy";
+//    "user request code-hierarchy";
+//  }
+}
+
+//  "SENSORS" [ label = "{ Sensor Processing | { file | git | fossil | script }}"
+//	      shape = "record"; ];
+//  
+//  "RUNS"    [ label = "{ Runs Processing | { launch | clean | re-run | archive } | { dispatcher }}";
+//	      shape = "record"; ];
+//
+//  "WORK"    [ label = "{ Work Items | { start task | task competed }}";
+//	      shape = "record"; ];
+//
+//  "USERREQ" [ label = "{ User Requests (Unix and Web) | { launch | clean | re-run | archive }}";
+//	      shape = "record"; ];
+//
+//  "MTAREA1" [ label = "{ Megatest Area 1 | { parallel job\nmanagement | test\nmanagement | data\nrollup }}";
+//	      shape = "record"; ];
+//  
+//  "MTAREA2" [ label = "{ Megatest Area 2 | { parallel job\nmanagement | test\nmanagement | data\nrollup }}";
+//	      shape = "record"; ];
+//  
+//  "MTAREA3" [ label = "More Megatest Areas ... ";
+//	      shape = "record"; ];
+//
+//  "PGDB"    [ label = "postgres database";
+//	      shape = "cylinder"; ];
+//
+//  "WEBAPP"  [ label = "{ Web View | { Runs | Contours | Control | Time View }}";
+//	      shape = "record"; ];
+//
+//  // "WEBCTRL" [ label = "{ Web View \n(control) }";
+//  //	      shape = "record"; ];
+//  
+//  "SENSORS" -> "SPKTS";
+//  "RUNS"    -> "run code-hierarchy";
+//  "run code-hierarchy" -> "RUNS";
+//  "WORK"    -> "work code-hierarchy";
+//  "work code-hierarchy" -> "RUNS";
+//  "USERREQ" -> "user request code-hierarchy";
+//  "SPKTS"   -> "RUNS";
+//  "user request code-hierarchy" -> "RUNS";
+//  "RUNS"    -> "MTAREA1" -> "PGDB";
+//  "RUNS"    -> "MTAREA2" -> "PGDB";
+//  "RUNS"    -> "MTAREA3" -> "PGDB";
+//  "PGDB"    -> "WEBAPP";
+//  // "WEBCTRL" -> "run code-hierarchy";
+