hgext/histedit.py

--- a/hgext/histedit.py	Sun Jun 28 17:52:29 2020 +0200
+++ b/hgext/histedit.py	Mon Jun 29 20:53:32 2020 +0900
@@ -201,7 +201,6 @@
     termios = None
 
 import functools
-import locale
 import os
 import struct
 
@@ -1711,11 +1710,8 @@
         ctxs = []
         for i, r in enumerate(revs):
             ctxs.append(histeditrule(ui, repo[r], i))
-        # Curses requires setting the locale or it will default to the C
-        # locale. This sets the locale to the user's default system
-        # locale.
-        locale.setlocale(locale.LC_ALL, '')
-        rc = curses.wrapper(functools.partial(_chisteditmain, repo, ctxs))
+        with util.with_lc_ctype():
+            rc = curses.wrapper(functools.partial(_chisteditmain, repo, ctxs))
         curses.echo()
         curses.endwin()
         if rc is False: