master updated (7dd671f -> fd43ecd)

[Lars Ingebrigtsen]

larsi pushed a change to branch master.

      from  7dd671f   Use lexical-binding in time-stamp.el
       new  29eff32   Add new user option bibtex-unify-case-convert
       new  7ab6213   Use 'eshell-find-alias-function' instead of fboundp
       new  fd43ecd   Fix gnus-mime-display-alternative button natigation


Summary of changes:
 etc/NEWS                 |  5 +++
 lisp/eshell/esh-cmd.el   |  2 +-
 lisp/gnus/gnus-art.el    |  2 +-
 lisp/textmodes/bibtex.el | 89 +++++++++++++++++++++++++++---------------------
 4 files changed, 58 insertions(+), 40 deletions(-)