rename bs to backspace

doc.go

@@ -80,7 +80,7 @@ The following command line commands are provided by lf:
     cmd-home                 (default '<c-a>' and '<home>')
     cmd-end                  (default '<c-e>' and '<end>')
     cmd-delete               (default '<c-d>' and '<delete>')
-    cmd-delete-back          (default '<bs>' and '<bs2>')
+    cmd-delete-back          (default '<backspace>' and '<backspace2>')
     cmd-delete-home          (default '<c-u>')
     cmd-delete-end           (default '<c-k>')
     cmd-delete-unix-word     (default '<c-w>')
@@ -426,7 +426,7 @@ Move the cursor to the left/right.
 Move the cursor to the beginning/end of line.
 
     cmd-delete               (default '<c-d>' and '<delete>')
-    cmd-delete-back          (default '<bs>' and '<bs2>')
+    cmd-delete-back          (default '<backspace>' and '<backspace2>')
 
 Delete the next character in forward/backward direction.
 

lf.1

@@ -92,7 +92,7 @@ The following command line commands are provided by lf:
     cmd-home                 (default '<c-a>' and '<home>')
     cmd-end                  (default '<c-e>' and '<end>')
     cmd-delete               (default '<c-d>' and '<delete>')
-    cmd-delete-back          (default '<bs>' and '<bs2>')
+    cmd-delete-back          (default '<backspace>' and '<backspace2>')
     cmd-delete-home          (default '<c-u>')
     cmd-delete-end           (default '<c-k>')
     cmd-delete-unix-word     (default '<c-w>')
@@ -526,7 +526,7 @@ Move the cursor to the beginning/end of line.
 .PP
 .EX
     cmd-delete               (default '<c-d>' and '<delete>')
-    cmd-delete-back          (default '<bs>' and '<bs2>')
+    cmd-delete-back          (default '<backspace>' and '<backspace2>')
 .EE
 .PP
 Delete the next character in forward/backward direction.

opts.go

@@ -174,8 +174,8 @@ func init() {
 	gOpts.cmdkeys["<c-p>"] = &callExpr{"cmd-history-prev", nil, 1}
 	gOpts.cmdkeys["<delete>"] = &callExpr{"cmd-delete", nil, 1}
 	gOpts.cmdkeys["<c-d>"] = &callExpr{"cmd-delete", nil, 1}
-	gOpts.cmdkeys["<bs>"] = &callExpr{"cmd-delete-back", nil, 1}
-	gOpts.cmdkeys["<bs2>"] = &callExpr{"cmd-delete-back", nil, 1}
+	gOpts.cmdkeys["<backspace>"] = &callExpr{"cmd-delete-back", nil, 1}
+	gOpts.cmdkeys["<backspace2>"] = &callExpr{"cmd-delete-back", nil, 1}
 	gOpts.cmdkeys["<left>"] = &callExpr{"cmd-left", nil, 1}
 	gOpts.cmdkeys["<c-b>"] = &callExpr{"cmd-left", nil, 1}
 	gOpts.cmdkeys["<right>"] = &callExpr{"cmd-right", nil, 1}

ui.go

@@ -23,11 +23,11 @@ const gEscapeCode = 27
 
 var gKeyVal = map[tcell.Key]string{
 	tcell.KeyEnter:          "<enter>",
-	tcell.KeyBackspace:      "<bs>",
+	tcell.KeyBackspace:      "<backspace>",
 	tcell.KeyTab:            "<tab>",
 	tcell.KeyBacktab:        "<backtab>",
 	tcell.KeyEsc:            "<esc>",
-	tcell.KeyBackspace2:     "<bs2>",
+	tcell.KeyBackspace2:     "<backspace2>",
 	tcell.KeyDelete:         "<delete>",
 	tcell.KeyInsert:         "<insert>",
 	tcell.KeyUp:             "<up>",