--- a/mercurial/dispatch.py	Thu Oct 22 09:58:05 2020 -0700
+++ b/mercurial/dispatch.py	Thu Oct 22 10:57:11 2020 -0700
@@ -248,8 +248,6 @@
             _(b"hg: parse error at %s: %s\n")
             % (pycompat.bytestr(inst.location), inst.message)
         )
-        if inst.message.startswith(b' '):
-            write(_(b"unexpected leading whitespace\n"))
     else:
         write(_(b"hg: parse error: %s\n") % inst.message)
         _reportsimilar(write, similar)