master updated (d6eddf2 -> dcfb8f6)

[Stefan Kangas]

skangas pushed a change to branch master.

      from  d6eddf2   * list/emacs-lisp/edebug.el: Don't overload 
`edebug-form-spec`
       new  8147bf5   Use lexical-binding in mail-utils.el and add tests
       new  dcfb8f6   Use lexical-binding in dns-mode.el


Summary of changes:
 lisp/mail/mail-utils.el               |   4 +-
 lisp/textmodes/dns-mode.el            |  20 +++----
 test/lisp/mail/mail-utils-tests.el    | 104 ++++++++++++++++++++++++++++++++++
 test/lisp/textmodes/dns-mode-tests.el |  21 +++++++
 4 files changed, 135 insertions(+), 14 deletions(-)
 create mode 100644 test/lisp/mail/mail-utils-tests.el