master updated (0fac3f5 -> e8752cf)

[Richard M. Stallman]

rms pushed a change to branch master.

      from  0fac3f5   * lisp/calc: Fix a few issues introduced by lexical 
scoping
       new  e6aab30   Handle encrypting mime parts
       new  e8752cf   Handle retrying of MIME failure messages


Summary of changes:
 lisp/epa-mail.el   |  5 +++++
 lisp/mail/rmail.el | 61 +++++++++++++++++++++++++++---------------------------
 2 files changed, 36 insertions(+), 30 deletions(-)