help config: update windows documentation to match implementation
This shows how confusing the current implementation is on Windows.
--- a/mercurial/help/config.txt Tue Apr 27 09:47:33 2010 +0200
+++ b/mercurial/help/config.txt Mon Apr 26 16:36:08 2010 +0200
@@ -5,12 +5,13 @@
- ``<repo>\.hg\hgrc``
- ``%USERPROFILE%\.hgrc``
-- ``%USERPROFILE%\Mercurial.ini``
+- ``%USERPROFILE%\mercurial.ini``
- ``%HOME%\.hgrc``
-- ``%HOME%\Mercurial.ini``
-- ``C:\Mercurial\Mercurial.ini``
-- ``HKEY_LOCAL_MACHINE\SOFTWARE\Mercurial``
-- ``<install-dir>\Mercurial.ini``
+- ``%HOME%\mercurial.ini``
+- ``C:\mercurial\mercurial.ini`` (unless regkey or hgrc.d\ or mercurial.ini found)
+- ``HKEY_LOCAL_MACHINE\SOFTWARE\Mercurial`` (unless hgrc.d\ or mercurial.ini found)
+- ``<hg.exe-dir>\hgrc.d\*.rc`` (unless mercurial.ini found)
+- ``<hg.exe-dir>\mercurial.ini``
On Unix, these files are read: