help transition form deprecated events a bit more

terminal.d

@@ -2852,6 +2852,7 @@ struct RealTimeConsoleInput {
 struct KeyboardEvent {
 	bool pressed; ///
 	dchar which; ///
+	alias key = which; /// I often use this when porting old to new so i took it
 	uint modifierState; ///
 
 	///
@@ -3061,6 +3062,11 @@ struct InputEvent {
 		CustomEvent /// .
 	}
 
+	/// If this event is deprecated, you should filter it out in new programs
+	bool isDeprecated() {
+		return type == Type.CharacterEvent || type == Type.NonCharacterKeyEvent;
+	}
+
 	/// .
 	@property Type type() { return t; }
 
@@ -3817,6 +3823,8 @@ class LineGetter {
 			string editor = environment.get("EDITOR", "vi");
 		}
 
+		// FIXME the spawned process changes terminal state!
+
 		spawnProcess([editor, tmpName]).wait;
 		import std.string;
 		return to!(dchar[])(cast(char[]) std.file.read(tmpName)).chomp;