# HG changeset patch
# User mpm@selenic.com
# Date 1126638975 18000
# Node ID eb3cc5e2eb89fb69996adc346da5cd1b1ac95911
# Parent  effff847870f7dd033c61f0f02f60098a2d42f72
Revert some exception type changes in revlog



diff --git a/mercurial/revlog.py b/mercurial/revlog.py
--- a/mercurial/revlog.py
+++ b/mercurial/revlog.py
@@ -291,8 +291,8 @@ class revlog:
             for n in self.nodemap:
                 if hex(n).startswith(id):
                     c.append(n)
-            if len(c) > 1: raise RevlogError("Ambiguous identifier")
-            if len(c) < 1: raise RevlogError("No match found")
+            if len(c) > 1: raise KeyError("Ambiguous identifier")
+            if len(c) < 1: raise KeyError("No match found")
             return c[0]
 
         return None