Docs: Remove extra backslashes from commented config

Update docs to use \e in the example.

kitty/conf/types.py

@@ -113,6 +113,8 @@ def remove_markup(text: str) -> str:
         if key in ('ac', 'opt'):
             t, q = extract(m)
             return f'{t} {q}' if q and q != t else t
+        if key == 'code':
+            return m.group(2).replace('\\\\', '\\')
 
         return str(m.group(2))
 

kitty/options/definition.py

@@ -3991,8 +3991,8 @@ keyboard protocol. The special value :code:`all` means all of them.
 Some more examples::
 
     # Output a word and move the cursor to the start of the line (like typing and pressing Home)
-    map ctrl+alt+a send_text normal Word\\x1b[H
-    map ctrl+alt+a send_text application Word\\x1bOH
+    map ctrl+alt+a send_text normal Word\\e[H
+    map ctrl+alt+a send_text application Word\\eOH
     # Run a command at a shell prompt (like typing the command and pressing Enter)
     map ctrl+alt+a send_text normal,application some command with arguments\\r
 '''