3 files changed, 59 insertions, 50 deletions
diff --git a/crawl-ref/README.txt b/crawl-ref/README.txt
index c32c404beb..de29d3fa52 100644
--- a/crawl-ref/README.txt
+++ b/crawl-ref/README.txt
@@ -145,12 +145,15 @@ branches.
 * Tiles.
 Since version 0.4, tiles are integrated within Crawl. Having variants of
 often-used glyphs is always good. If you want to give this a shot, please
-contact us via the mailing list.
+contact us via the mailing list. In case you drew some tiles of your own,
+tell us via the list.
 
 * Patches.
 If you like to, you can download the source code and apply patches. Both
 patches for bug fixes as well as implementation of new features are very much
-welcome. 
+welcome. If you want to code a cool feature that is likely to be accepted but
+unlikely to be coded by the devteam, search the Feature Requests tracker on 
+the Sourceforge site for Groups "Patches Welcome".
 Please be sure to read docs/coding_conventions.txt first.
 
 Thank you, and have fun crawling!
diff --git a/crawl-ref/source/dat/didact.des b/crawl-ref/source/dat/didact.des
new file mode 100644
index 0000000000..df6a4cbad9
--- /dev/null
+++ b/crawl-ref/source/dat/didact.des
@@ -0,0 +1,54 @@
+##############################################################################
+#
+# This file contains vaults and lua for didactical purposes --
+# it is not included in clua/loadmaps.lua (and shouldn't be!).
+#
+##############################################################################
+
+###################################################################
+# Multilevel portal vault structure:
+# This is how a multilevel portal vault should be laid out. All
+# stairs are one-way; the player cannot return to a level once left.
+
+NAME: multilevel_portal_vault_entry
+# Demo vault, disabled.
+WEIGHT: 0
+MARKER: O = lua:one_way_stair { \
+              dst="multilevel portal vault", \
+              desc="An entrance to a multilevel portal vault" \
+            }
+KFEAT: O = enter_portal_vault
+MAP
+O
+ENDMAP
+
+NAME: portal_level_1
+TAGS: multilevel_portal_vault
+: portal_vault(_G, "multilevel_portal_vault")
+# portal_next() links all downstairs to the vault with the specified tag.
+: portal_next(_G, "multilevel_portal_vault_b")
+MAP
+xxxxxx
+xA..]x
+xxxxxx
+ENDMAP
+
+NAME: portal_level_2
+: portal_vault(_G, "multilevel_portal_vault_b")
+: portal_next(_G, "multilevel_portal_vault_c")
+MAP
+xxxxxx
+xAWW]x
+xxxxxx
+ENDMAP
+
+NAME: portal_level_3
+: portal_vault(_G, "multilevel_portal_vault_c")
+KFEAT: < = exit_portal_vault
+MAP
+xxxxxxx
+xlllllx
+xA...<x
+xlllllx
+xxxxxxx
+ENDMAP
diff --git a/crawl-ref/source/dat/ziggurat.des b/crawl-ref/source/dat/ziggurat.des
index 3bf0f645cc..af5de4c5ca 100644
--- a/crawl-ref/source/dat/ziggurat.des
+++ b/crawl-ref/source/dat/ziggurat.des
@@ -156,51 +156,3 @@ NAME: ziggurat1
 MAP
 ENDMAP
 
-
-#############################################################################
-# Multilevel portal vault structure:
-# This is how a multilevel portal vault should be laid out. All stairs are
-# one-way; the player cannot return to a level once left.
-
-NAME: multilevel_portal_vault_entry
-# Demo vault, disabled.
-WEIGHT: 0
-MARKER: O = lua:one_way_stair { \
-              dst="multilevel portal vault", \
-              desc="An entrance to a multilevel portal vault" \
-            }
-KFEAT: O = enter_portal_vault
-MAP
-O
-ENDMAP
-
-NAME: portal_level_1
-TAGS: multilevel_portal_vault
-: portal_vault(_G, "multilevel_portal_vault")
-# portal_next() links all downstairs to the vault with the specified tag.
-: portal_next(_G, "multilevel_portal_vault_b")
-MAP
-xxxxxx
-xA..]x
-xxxxxx
-ENDMAP
-
-NAME: portal_level_2
-: portal_vault(_G, "multilevel_portal_vault_b")
-: portal_next(_G, "multilevel_portal_vault_c")
-MAP
-xxxxxx
-xAWW]x
-xxxxxx
-ENDMAP
-
-NAME: portal_level_3
-: portal_vault(_G, "multilevel_portal_vault_c")
-KFEAT: < = exit_portal_vault
-MAP
-xxxxxxx
-xlllllx
-xA...<x
-xlllllx
-xxxxxxx
-ENDMAP