Don't prompt user when killing Flymake processes

* lisp/progmodes/flymake.el (flymake-start-syntax-check-process):
Don’t prompt the user when killing Flymake processes.

* doc/misc/flymake.texi (Starting the syntax check process):
Document new behavior.

1 files changed, 2 insertions, 1 deletions

diff --git a/doc/misc/flymake.texi b/doc/misc/flymake.texi
index 1c4644bba14..998f1b35170 100644
--- a/doc/misc/flymake.texi
+++ b/doc/misc/flymake.texi
@@ -697,7 +697,8 @@ The command line (command name and the list of arguments) for launching a proces
 initialization function.  Flymake then just calls @code{start-process}
 to start an asynchronous process and configures a process filter and
 sentinel, which are used for processing the output of the syntax check
-tool.
+tool.  When exiting Emacs, running Flymake processes will be killed
+without prompting the user.
 
 @node Parsing the output
 @section Parsing the output