Merge tag '0.28.1'

notmuch 0.28.1 release

diff --combined NEWS
index 434f920a42f639e3165e9da348b71271837aa010,7de5ea7fd94f1bd010b21e33149c8f68fdbbec34..d46035cd080d121b40f0d60e9731586f34041bd7
--- 1/NEWS
--- 2/NEWS
+++ b/NEWS
@@@ -1,12 -1,12 +1,21 @@@
 +Notmuch 0.29 (UNRELEASED)
 +=========================
 +
 +Command Line Interface
 +----------------------
 +
 +`notmuch show` now supports --body=false and --include-html with
 +--format=text
 +
+ Notmuch 0.28.1 (2019-02-01)
+ ===========================
+ 
+ Build System
+ ------------
+ 
+ `configure` no longer uses the special variable BASH, as this causes
+ problems on systems where /bin/sh is bash.
+ 
  Notmuch 0.28 (2018-10-12)
  =========================
  

diff --combined configure
index 3ae26241df2a9d16fa6b319ad963bdf2af56fb92,ea22587b24ff257bfe8d2b2dff3e27e7d9d2f2f2..a6f5dfa2ca2b894da29ff4bd93ef96a3266587ab
--- 1/configure
--- 2/configure
+++ b/configure
@@@ -53,7 -53,7 +53,7 @@@ f
  
  # Set several defaults (optionally specified by the user in
  # environment variables)
- BASH=${BASH:-bash}
+ BASHCMD=${BASHCMD:-bash}
  PERL=${PERL:-perl}
  CC=${CC:-cc}
  CXX=${CXX:-c++}
@@@ -560,13 -560,13 +560,13 @@@ els
  fi
  
  printf "Checking for bash... "
- if command -v ${BASH} > /dev/null; then
+ if command -v ${BASHCMD} > /dev/null; then
      have_bash=1
-     bash_absolute=$(command -v ${BASH})
+     bash_absolute=$(command -v ${BASHCMD})
      printf "Yes (%s).\n" "$bash_absolute"
  else
      have_bash=0
-     printf "No. (%s not found)\n" "${BASH}"
+     printf "No. (%s not found)\n" "${BASHCMD}"
  fi
  
  printf "Checking for perl... "
@@@ -623,8 -623,8 +623,8 @@@ if [ -z "${EMACSETCDIR-}" ]; the
      EMACSETCDIR="\$(prefix)/share/emacs/site-lisp"
  fi
  
 -printf "Checking if emacs is available... "
 -if emacs --quick --batch > /dev/null 2>&1; then
 +printf "Checking if emacs (>= 24) is available... "
 +if emacs --quick --batch --eval '(if (< emacs-major-version 24) (kill-emacs 1))' > /dev/null 2>&1; then
      printf "Yes.\n"
      have_emacs=1
  else