2 files changed, 17 insertions, 11 deletions

diff --git a/admin/notes/hydra b/admin/notes/hydra
index d5959354b08..4c1944a57da 100644
--- a/admin/notes/hydra
+++ b/admin/notes/hydra
@@ -6,13 +6,12 @@ See the end of the file for license conditions.
 NOTES FOR EMACS CONTINUOUS BUILD ON HYDRA
 
 A continuous build for Emacs can be found at
-http://hydra.nixos.org/jobset/gnu/emacs-trunk
-http://hydra.nixos.org/jobset/gnu/emacs-24
+https://hydra.nixos.org/jobset/gnu/emacs-trunk
 
 * It builds Emacs on various platforms.
 Sometimes jobs fail due to hydra problems rather than Emacs problems.
-Eg it seems like the cygwin build will never work again.
-http://lists.gnu.org/archive/html/hydra-users/2013-08/msg00000.html
+Eg it seems like the darwin build will never work again.
+https://lists.gnu.org/archive/html/hydra-users/2016-01/msg00000.html
 
 * Mail notifications
 In addition to the web interface, Hydra can send notifications by
@@ -21,7 +20,7 @@ SUCCEEDED to FAILED.  It sends notifications about build status in
 Emacs trunk to emacs-buildstatus@gnu.org.
 
 If you want to receive these notifications, please subscribe at
-http://lists.gnu.org/mailman/listinfo/emacs-buildstatus
+https://lists.gnu.org/mailman/listinfo/emacs-buildstatus
 
 * The Emacs jobset consists of the following jobs:
 
@@ -31,23 +30,29 @@ by running make-dist to create a tarball.  If this job fails, all the
 others will too (because they use the tarball as input).
 
 ** The 'build' job
-which starts from the tarball and does a normal build
+which starts from the tarball and does a normal build.
 
 ** The 'coverage' job
-does a gcov build and then runs 'make check'.  Fails if any test fails.
+does a gcov build and then runs 'make check-expensive'.  Fails if any
+test fails.
 
 * Nix expressions
 The recipe for GNU Emacs are available via Git:
-http://git.savannah.gnu.org/cgit/hydra-recipes.git/tree/emacs
+https://git.savannah.gnu.org/cgit/hydra-recipes.git/tree/emacs
 
 To modify the build job, email the patch to hydra-users@gnu.org.  The
 build recipes are written in the Nix language.
 
+* Identifying hydra
+Lisp packages, Makefiles, scripts, and other software could determine
+whether they run on hydra by checking for the environment variable
+EMACS_HYDRA_CI.
+
 * Other Information
 For a list of other GNU packages that have a continuous build on
-Hydra, see http://hydra.nixos.org/project/gnu
+Hydra, see https://hydra.nixos.org/project/gnu
 
-See http://www.gnu.org/software/devel.html#Hydra for more information.
+See https://www.gnu.org/software/devel.html#Hydra for more information.
 
 
 This file is part of GNU Emacs.
diff --git a/admin/notes/unicode b/admin/notes/unicode
index 0d6c6af015f..8284e1b44cf 100644
--- a/admin/notes/unicode
+++ b/admin/notes/unicode
@@ -15,9 +15,10 @@ Emacs uses the following files from the Unicode Character Database
   . BidiBrackets.txt
   . IVD_Sequences.txt
   . NormalizationTest.txt
+  . SpecialCasing.txt
   . BidiCharacterTest.txt
 
-First, the first 6 files need to be copied into admin/unidata/, and
+First, the first 7 files need to be copied into admin/unidata/, and
 then Emacs should be rebuilt for them to take effect.  Rebuilding
 Emacs updates several derived files elsewhere in the Emacs source
 tree, mainly in lisp/international/.