update docr19

3 files changed, 23 insertions, 0 deletions

diff --git a/doc.go b/doc.go
index 9f64999..b96c8f7 100644
--- a/doc.go
+++ b/doc.go
@@ -1202,6 +1202,13 @@ You can define it just as you would define any other command:
         lf -remote "send $id set promptfmt \"$fmt\""
     }}
 
+If you want to print escape sequences, you may redirect 'printf' output to '/dev/tty'.
+The following xterm specific escape sequence sets the terminal title to the working directory:
+
+    cmd on-cd &{{
+        printf "\033]0; $PWD\007" > /dev/tty
+    }}
+
 This command runs whenever you change directory but not on startup.
 You can add an extra call to make it run on startup as well:
 
diff --git a/docstring.go b/docstring.go
index 66aee68..67ca426 100644
--- a/docstring.go
+++ b/docstring.go
@@ -1346,6 +1346,14 @@ define any other command:
         lf -remote "send $id set promptfmt \"$fmt\""
     }}
 
+If you want to print escape sequences, you may redirect 'printf' output to
+'/dev/tty'. The following xterm specific escape sequence sets the terminal
+title to the working directory:
+
+    cmd on-cd &{{
+        printf "\033]0; $PWD\007" > /dev/tty
+    }}
+
 This command runs whenever you change directory but not on startup. You can
 add an extra call to make it run on startup as well:
 
diff --git a/lf.1 b/lf.1
index 8503e09..21a56e9 100644
--- a/lf.1
+++ b/lf.1
@@ -1323,6 +1323,14 @@ There is a special command 'on-cd' that runs a shell command when it is defined
     }}
 .EE
 .PP
+If you want to print escape sequences, you may redirect 'printf' output to '/dev/tty'. The following xterm specific escape sequence sets the terminal title to the working directory:
+.PP
+.EX
+    cmd on-cd &{{
+        printf "\e033]0; $PWD\e007" > /dev/tty
+    }}
+.EE
+.PP
 This command runs whenever you change directory but not on startup. You can add an extra call to make it run on startup as well:
 .PP
 .EX