Bind alt-left/alt-right to backward-word/forward-word by default

Fix #4833

CHANGELOG.md

@@ -11,6 +11,7 @@ CHANGELOG
       (seq 100; sleep 1; seq 100) | fzf --query 1 \
         --bind 'result:transform-header(echo result: $FZF_MATCH_COUNT),result-final:transform-footer(echo final: $FZF_MATCH_COUNT)'
       ```
+- Bound `alt-left` to `backward-word` and `alt-right` to `forward-word` by default (#4833)
 
 0.73.1
 ------

man/man1/fzf.1

@@ -2012,7 +2012,7 @@ A key or an event can be bound to one or more of the following actions.
     \fBbackward\-kill\-subword\fR
     \fBbackward\-kill\-word\fR           \fIalt\-bs\fR
     \fBbackward\-subword\fR
-    \fBbackward\-word\fR                \fIalt\-b   shift\-left\fR
+    \fBbackward\-word\fR                \fIalt\-b   shift\-left  alt\-left\fR
     \fBbecome(...)\fR                  (replace fzf process with the specified command; see below for the details)
     \fBbeginning\-of\-line\fR            \fIctrl\-a  home\fR
     \fBbell\fR                         (ring the terminal bell)
@@ -2059,7 +2059,7 @@ A key or an event can be bound to one or more of the following actions.
     \fBfirst\fR                        (move to the first match; same as \fBpos(1)\fR)
     \fBforward\-char\fR                 \fIctrl\-f  right\fR
     \fBforward\-subword\fR
-    \fBforward\-word\fR                 \fIalt\-f   shift\-right\fR
+    \fBforward\-word\fR                 \fIalt\-f   shift\-right alt\-right\fR
     \fBignore\fR
     \fBjump\fR                         (EasyMotion-like 2-keystroke movement)
     \fBkill\-line\fR

src/terminal.go

@@ -871,8 +871,10 @@ func defaultKeymap() map[tui.Event][]*action {
 
 	addEvent(tui.AltKey('b'), actBackwardWord)
 	add(tui.ShiftLeft, actBackwardWord)
+	add(tui.AltLeft, actBackwardWord)
 	addEvent(tui.AltKey('f'), actForwardWord)
 	add(tui.ShiftRight, actForwardWord)
+	add(tui.AltRight, actForwardWord)
 	addEvent(tui.AltKey('d'), actKillWord)
 	add(tui.AltBackspace, actBackwardKillWord)