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

setup.c

@@ -216,7 +216,7 @@ const char *setup_git_directory_gently(int *nongit_ok)
 		die("Not a git repository: '%s'", gitdirenv);
 	}
 
-	if (!getcwd(cwd, sizeof(cwd)) || cwd[0] != '/')
+	if (!getcwd(cwd, sizeof(cwd)-1) || cwd[0] != '/')
 		die("Unable to read current working directory");
 
 	offset = len = strlen(cwd);