master ff0fe62002 02/10: Mention that vc-prepare-patch can interact with a log-view

[Philip Kaludercic]

branch: master
commit ff0fe620024b79a1cae4e31c2f4ed6f857b9db9e
Author: Philip Kaludercic <philipk@posteo.net>
Commit: Philip Kaludercic <philipk@posteo.net>

    Mention that vc-prepare-patch can interact with a log-view
    
    ; * doc/emacs/vc1-xtra.texi (Preparing Patches): Extend documentation.
---
 doc/emacs/vc1-xtra.texi | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/doc/emacs/vc1-xtra.texi b/doc/emacs/vc1-xtra.texi
index 66d3f51c30..23d5f50432 100644
--- a/doc/emacs/vc1-xtra.texi
+++ b/doc/emacs/vc1-xtra.texi
@@ -291,8 +291,13 @@ When collaborating on projects it is common to send 
patches via email,
 to share changes.  If you wish to do this using VC, you can use the
 @code{vc-prepare-patch} command.  This will prompt you for the
 revisions you wish to share, and which destination email address(es)
-to use.  The command will then prepare those revisions using your
-@abbr{MUA, Mail User Agent} for you to review and send.
+to use.  The revisions are separated using commas (or whatever was
+configured by @var{crm-separator}).  The command will then prepare
+those revisions using your @abbr{MUA, Mail User Agent} for you to
+review and send.
+
+When invoked interactively in a Log View buffer with marked revisions,
+these revisions will be used.
 
 @vindex vc-prepare-patches-separately
 Depending on the value of the user option