fix 100% cpu usage

Makefile

@@ -0,0 +1,6 @@
+all: bin/crossword bin/crossword-ssh
+
+bin/crossword: main.go puz/puz.go game/game.go
+	go build -o $@ .
+bin/crossword-ssh: ssh/main.go puz/puz.go game/game.go
+	go build -o $@ ./ssh

README.md

@@ -5,7 +5,6 @@ todo
 - timer
 - reveal grid/word
 - .puz checksums
-- fix shift+enter in other terminals
+- fix shift+enter / short+tab in other terminals
 - after entering letter, jump to next unfilled cell (even if it's backwards)
-- tab/shift+tab
 - clear grid

game/game.go

@@ -396,6 +396,7 @@ func (state *State) HandleInput(buffer []byte) (exited bool) {
 		if state.GridFilled() {
 			if state.CheckPuzzle() {
 				state.SolveState = 2
+				return true
 			} else {
 				state.SolveState = 1
 			}
@@ -417,7 +418,7 @@ func (state *State) HandleInput(buffer []byte) (exited bool) {
 		}
 	}
 
-	if buffer[0] == '\r' {
+	if buffer[0] == '\r' || buffer[0] == '\t' {
 		state.NextWord()
 	}
 	if buffer[0] == '~' {

ssh/main.go

@@ -56,7 +56,10 @@ func main() {
 		})
 
 		for {
-			scanner.Scan()
+			ok := scanner.Scan()
+			if !ok {
+				break
+			}
 			buffer := scanner.Bytes()
 
 			exited := state.HandleInput(buffer)