# HG changeset patch
# User Martin von Zweigbergk <martinvonz@google.com>
# Date 1428714781 25200
# Node ID 32b268cbff00b6af35c5ce82c4b93f8934febabc
# Parent  64cd23a1bc138eeba43958d7420528c5b6a3e98d
manifestdict: drop empty-string argument when creating empty manifest

manifestdict() creates an empty manifestdict, so let's consistently
use that instead of explicitly parsing an empty string (which does
result in an empty manifest).

diff -r 64cd23a1bc13 -r 32b268cbff00 mercurial/manifest.py
--- a/mercurial/manifest.py	Sun Apr 12 06:51:13 2015 -0700
+++ b/mercurial/manifest.py	Fri Apr 10 18:13:01 2015 -0700
@@ -270,7 +270,7 @@
                     m._lm[fn] = lm[fn]
             return m
 
-        m = manifestdict('')
+        m = manifestdict()
         m._lm = self._lm.filtercopy(match)
         return m
 
@@ -307,7 +307,7 @@
             return default
 
     def copy(self):
-        c = manifestdict('')
+        c = manifestdict()
         c._lm = self._lm.copy()
         return c