Merge from origin/emacs-26

6e6bf60 Don't let delete_frame select a tooltip frame (Bug#27647)
e9dd580 Filter obtrusive events in help-read-key-sequence.
90075e8 Fix symlink flag in tramp-gvfs-handle-file-attributes
c355529 Fix bug in tramp-handle-file-truename
4c21d04 Fix a typo in doc string of electric-indent-functions-without...
319c2de Avoid assertion violations in echo_area_display
63c7733 ; * lisp/ido.el (ido-find-alternate-file): Doc fix.  (Bug#29278)
cbd319a Fix case-folding in Occur
29520b0 Fix quick-calc in C mode with hex values
3e80124 Improve documentation of dired-next/prev-marked-file
90add18 Prevent aborts in line-move-visual
648c128 More fixes in src/.gdbinit
104f3e5 Document how to enter whitespace when using grep-read-files

1 files changed, 3 insertions, 1 deletions

diff --git a/lisp/vc/vc-git.el b/lisp/vc/vc-git.el
index f95e67f4f56..dff0fd1365c 100644
--- a/lisp/vc/vc-git.el
+++ b/lisp/vc/vc-git.el
@@ -1408,7 +1408,9 @@ This requires git 1.8.4 or later, for the \"-L\" option of \"git log\"."
   "Run git grep, searching for REGEXP in FILES in directory DIR.
 The search is limited to file names matching shell pattern FILES.
 FILES may use abbreviations defined in `grep-files-aliases', e.g.
-entering `ch' is equivalent to `*.[ch]'.
+entering `ch' is equivalent to `*.[ch]'.  As whitespace triggers
+completion when entering a pattern, including it requires
+quoting, e.g. `\\[quoted-insert]<space>'.
 
 With \\[universal-argument] prefix, you can edit the constructed shell command line
 before it is executed.