master updated (5195678 -> 7b82650)

[Stefan Kangas]

skangas pushed a change to branch master.

      from  5195678   Merge from origin/emacs-27
       new  eb65ac5   Improve list-dynamic-libraries when alist empty
       new  0e2cd5f   Use lexical-binding in misc.el and add tests
       new  7b82650   Use lexical-binding in dig.el and add tests


Summary of changes:
 lisp/misc.el               |  8 +++--
 lisp/net/dig.el            | 11 +++----
 test/lisp/misc-tests.el    | 77 ++++++++++++++++++++++++++++++++++++++++++++++
 test/lisp/net/dig-tests.el | 56 +++++++++++++++++++++++++++++++++
 4 files changed, 142 insertions(+), 10 deletions(-)
 create mode 100644 test/lisp/misc-tests.el
 create mode 100644 test/lisp/net/dig-tests.el