Minor special level and compiler tweakage

Fix allowed map characters.
Make some predefined MAPs blend in better with randomly
generated parts.

dat/gehennom.des

@@ -163,43 +163,43 @@ INIT_MAP:mines,'.','}',true,true,unlit,false
 # guarantee at least one open spot to ensure successful stair placement
 GEOMETRY:left,bottom
 MAP
-}}}}}}}}
-}}...}}}
-}}}...}}
-}}}}.}}}
-}}}}}}}}
+xxxxxxxx
+xx...xxx
+xxx...xx
+xxxx.xxx
+xxxxxxxx
 ENDMAP
 OBJECT:('`',"boulder"),random
 GEOMETRY:right,top
 MAP
-}}}}}}}}
-}}}}.}}}
-}}}...}}
-}}...}}}
-}}}}}}}}
+xxxxxxxx
+xxxx.xxx
+xxx...xx
+xx...xxx
+xxxxxxxx
 ENDMAP
 OBJECT:('`',"boulder"),random
 # lair
 GEOMETRY:center,center
 MAP
-..}}}}}.}}}}}.}}}}}.}}}}}.}}}}}.}}}}}.}}}}}.}}}}}..
-.}}}.}}}}}..}}}..}}}}}..}}}..}}}}}..}}}..}}}}}.}}}.
+xx}}}}}x}}}}}x}}}}}x}}}}}x}}}}}x}}}}}x}}}}}x}}}}}xx
+x}}}.}}}}}..}}}..}}}}}..}}}..}}}}}..}}}..}}}}}.}}}x
 }}}...}}..}}.}.}}.}}.}}}...}}}.}}}..}}}..}}}}...}}}
-.}}}.}}.}}}.}}.}}.}}...}}.}}.....}}.....}....}.}}}.
-..}}}..}}}.}}.}}.}}..}}.....}}.}}}.}}.}}}}}}}}}}}..
-.}}}..}}}}}.}}.}}.}}...}}}}}.....}}.}}}}}}.....}}}.
+x}}}.}}.}}}.}}.}}.}}...}}.}}.....}}.....}....}.}}}x
+xx}}}..}}}.}}.}}.}}..}}.....}}.}}}.}}.}}}}}}}}}}}xx
+x}}}..}}}}}.}}.}}.}}...}}}}}.....}}.}}}}}}.....}}}x
 }}}..}}...}}..}}.}}}.}}}...}}}.}}}.}.}}}}..P.P..}}}
 }}.}}}}...}}}}}.}...}}}..P..}}}.}.}}}.}}}}.....}}}}
-}.}}}}.}}.}..}.}}}}}}}..P.P..}}}.}}}.}}..}}...}}}}.
-.}}}}.}}}}....}}}}}.}}}..P..}}}.}}}}.}}..}}...}}}.}
+}.}}}}.}}.}..}.}}}}}}}..P.P..}}}.}}}.}}..}}...}}}}x
+x}}}}.}}}}....}}}}}.}}}..P..}}}.}}}}.}}..}}...}}}.}
 }}}}..}}.}}..}}}}...}}}}...}}}.}}}}}.}}}}.}}}}}}.}}
 }}}...}}...}}}..}}}}}}}}}}}}.....}}}}.}}...}..}.}}}
-.}}}..}}.}}}}....}}..}}}..}}.....}}}}.}}}.}....}}}.
-..}}}.}}}}..}}..}}..}}..}}..}}.}}}..}.}..}}}..}}}..
-.}}}.}}}}....}}}}..}}....}}}}}}}...}}}....}}}}.}}}.
+x}}}..}}.}}}}....}}..}}}..}}.....}}}}.}}}.}....}}}x
+xx}}}.}}}}..}}..}}..}}..}}..}}.}}}..}.}..}}}..}}}xx
+x}}}.}}}}....}}}}..}}....}}}}}}}...}}}....}}}}.}}}x
 }}}...}}}....}}}..}}}....}}}..}}...}}}....}}}...}}}
-.}}}.}}}}}..}}}..}}}}}..}}}..}}}}}..}}}..}}}}}.}}}.
-..}}}}}.}}}}}.}}}}}.}}}}}.}}}}}.}}}}}.}}}}}.}}}}}..
+x}}}.}}}}}..}}}..}}}}}..}}}..}}}}}..}}}..}}}}}.}}}x
+xx}}}}}x}}}}}x}}}}}x}}}}}x}}}}}x}}}}}x}}}}}x}}}}}xx
 ENDMAP
 # Random registers
 $monster = monster: { 'j','b','P','F' }