Update notes/issues

docs/ideas.txt

@@ -9,6 +9,14 @@ IDEAS: Possible future additions/improvements to the game
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+- High tier door ideas
+	- Require higher-tier doors to operate higher-tier
+	  tools/heads?
+	- Limit ability of lower-tier doors to drive higher-tier
+	  doors, e.g. only allow driving up to 1 tier above?  This
+	  could allow one-way slippage mechanisms.
+	- Some doors can't be hand-operated, only ablated.
+
 - Plants from nc_nature?
 	- Rushes, mushrooms
 	- Require/consume special dirt (humus/peat) to grow/repro?

docs/issues-game.txt

@@ -9,6 +9,13 @@ ISSUES-GAME: Gameplay-affecting issues
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+- Door upward conveying is sort of useless right now; make it also
+  push objects outward, so this motion can be useful for upward
+  item transport?
+
+- Valleys mapgen rivers seem to rely on having an actual separate
+  river water registration with a specific liquid range.
+
 - Should item ents experience more drag when in fluids?
 
 - Door-wheels do not affect attached glyphs...
@@ -111,6 +118,7 @@ ISSUES-GAME: Gameplay-affecting issues
 
 - Shelf recipe reform
 	- Add a "shelf frame" node made from wooden frames
+		- Name: "form"?
 	- Add appropriate material to shelf frame to make shelf
 	- 2-stage construction should make it easier to discover
 	- Shelf frame can gain its own distinct uses