master updated (e31287e -> d672ad6)

[Glenn Morris]

gm pushed a change to branch master.

      from  e31287e   Fix implicit declaration of getenv and atol
      adds  e4791f3   ;* etc/TODO: Update.
      adds  d47b157   Handle tab-bar clicks on a GPM-capable console.
      adds  37e0d00   Improve ERC's matching of nicks and URLs (bug#38257)
      adds  0ed9cfa   vc-dir: ensure we don't use a pager with git
      adds  c42198f   ; *etc/NEWS: Fix typo.
      adds  d645628   Always use lexical-binding in lisp-interaction-mode 
(bug#38835)
      adds  08cd247   ; * etc/NEWS: Fix typo.
      adds  7ec66a5   Document spacing issues with Xft for some fonts
      adds  7b14329   ; * lisp/simple.el (messages-buffer): Doc fix.  
(Bug#39124)
      adds  fdee034   * lisp/isearch.el: Fix corner cases of isearch-lazy-count.
      adds  c34f7e8   Add new node "Package Statuses" to manual
      adds  0e936f1   Fix build failure with --with-cairo --without-png
       new  d672ad6   Merge from origin/emacs-27


Summary of changes:
 doc/emacs/emacs.texi         |  1 +
 doc/emacs/package.texi       | 76 ++++++++++++++++++++++++++++++++++++--------
 doc/lispref/variables.texi   |  3 ++
 etc/NEWS.27                  | 21 +++++++++---
 etc/PROBLEMS                 | 12 +++++++
 etc/TODO                     | 43 +++++++------------------
 lisp/erc/erc-button.el       | 11 ++-----
 lisp/erc/erc-match.el        |  3 --
 lisp/isearch.el              |  7 ++--
 lisp/progmodes/elisp-mode.el |  3 +-
 lisp/simple.el               |  2 +-
 lisp/startup.el              |  4 +--
 lisp/tab-line.el             |  4 +--
 lisp/vc/vc-git.el            |  3 +-
 src/image.c                  |  8 ++---
 src/term.c                   |  8 +++++
 src/xdisp.c                  |  4 +++
 17 files changed, 137 insertions(+), 76 deletions(-)