Merge branch 'maint'

* maint:
  git.el: Retrieve commit log information from .dotest directory.
  git.el: Avoid appending a signoff line that is already present.
  setup_git_directory_gently: fix off-by-one error
  user-manual: install user manual stylesheet with other web documents
  user-manual: fix rendering of history diagrams
  user-manual: fix missing colon in git-show example
  user-manual: fix inconsistent use of pull and merge
  user-manual: fix inconsistent example
  glossary: fix overoptimistic automatic linking of defined terms
  Documentation: s/seperator/separator/
  Adjust reflog filemode in shared repository

refs.c

@@ -921,6 +921,8 @@ static int log_ref_write(const char *ref_name, const unsigned char *old_sha1,
 				     log_file, strerror(errno));
 	}
 
+	adjust_shared_perm(log_file);
+
 	msglen = 0;
 	if (msg) {
 		/* clean up the message and make sure it is a single line */