[commit: ghc] master: Add missing initial version for extension doc. (2c0ab47)

[git at git.haskell.org]

Repository : ssh://git@git.haskell.org/ghc

On branch  : master
Link       : http://ghc.haskell.org/trac/ghc/changeset/2c0ab47f7cab42c2123410f07b909f8a06b6920a/ghc

>---------------------------------------------------------------

commit 2c0ab47f7cab42c2123410f07b909f8a06b6920a
Author: superfunc <superfunc at protonmail.ch>
Date:   Sun Aug 13 20:20:47 2017 -0400

    Add missing initial version for extension doc.


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2c0ab47f7cab42c2123410f07b909f8a06b6920a
 docs/users_guide/glasgow_exts.rst | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/docs/users_guide/glasgow_exts.rst b/docs/users_guide/glasgow_exts.rst
index 5afc7e1..e6aeaf2 100644
--- a/docs/users_guide/glasgow_exts.rst
+++ b/docs/users_guide/glasgow_exts.rst
@@ -2912,6 +2912,8 @@ Record field disambiguation
 
 .. ghc-flag:: -XDisambiguateRecordFields
 
+    :since: 6.8.1
+
     Allow the compiler to automatically choose between identically-named
     record selectors based on type (if the choice is unambiguous).