[elpa] elpa-admin 697b29b81e 1/2: * README: Improve documentation of :core packages.

[Stefan Kangas]

branch: elpa-admin
commit 697b29b81efafe50a4c337b3da118ddb45d5fdc8
Author: Stefan Kangas <stefankangas@gmail.com>
Commit: Stefan Kangas <stefankangas@gmail.com>

    * README: Improve documentation of :core packages.
---
 README | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/README b/README
index 0d7dc48a39..2dd6e54277 100644
--- a/README
+++ b/README
@@ -1,5 +1,5 @@
 #+TITLE: ELPA-Admin README
-#+DATE: 2022-10-26
+#+DATE: 2022-12-11
 
 Copyright (C) 2010-2022 Free Software Foundation, Inc. \\
 See the end of the file for license conditions.
@@ -113,9 +113,11 @@ The URL can be =nil= if there is no upstream repository.
 
 ** =:core FILES=
 This property has to come first.
-Indicates that this is a special package which will be built by extracting
-files directly from Emacs's source code.  For this to work, the Emacs
-source code should be available in the =emacs= subdirectory.
+Indicates that this is a special package which will be built by
+extracting files directly from Emacs's source code.  For this to work,
+the Emacs git repository should be cloned in the =emacs= subdirectory.
+(Using a symlink pointing outside of the elpa root is currently
+unsupported.)  Making a fresh clone only for this is recommended.
 FILES specifies the files that will be contained in the generated tarballs.
 It can be a single file name or a list of file names.