Disable book exploration on stands

docs/PORTING.md

@@ -253,6 +253,10 @@ weather, lighting, and day/night behavior while retaining distinct terrain.
 Caves remain enclosed. Skylands use Minecraft's uniform floating-island noise
 and Overworld-like surfaces without the End's central dragon island.
 
+Version 0.2.16.14 replaces the Explore text control with a compact eye symbol.
+Books opened from a Book Stand display the control disabled and do not request
+an explorable remote preview, preventing exploration while the book is mounted.
+
 Version 0.2.14.0 restores the legacy Linking and Descriptive Book artwork for
 inventory items and gives each book its matching open-book texture when placed
 on a Book Stand. Return Linking Books created inside another Age also retain and