[elpa] externals/denote updated (a8c286577c -> 31e6bcb2eb)

[ELPA Syncer]

elpasync pushed a change to branch externals/denote.

      from  a8c286577c Make denote-file-has-identifier-p not error out
       new  2ac68a135b Implement denote-prompt-for-date-return-id
       new  6df993ee6c Make minor correction to a doc string
       new  582f38c642 Add optional DATE in function that returns identifier
       new  31e6bcb2eb Add optional DATE to denote-rename-file


Summary of changes:
 README.org | 66 ++++++++++++++++++++++++++++++++++++++++++++++++--------------
 denote.el  | 52 +++++++++++++++++++++++++++++++++++++++----------
 2 files changed, 93 insertions(+), 25 deletions(-)