Merge branch 'maint'

* maint:
  Small correction in reading of commit headers
  Documentation: fix typo in git-remote.txt
  Add test for blame corner cases.
  blame: -C -C -C
  blame: Notice a wholesale incorporation of an existing file.
  Fix --boundary output
  diff format documentation: describe raw combined diff format
  Mention version 1.5.1 in tutorial and user-manual
  Add --no-rebase option to git-svn dcommit
  Fix markup in git-svn man page

commit.c

@@ -638,7 +638,9 @@ static char *get_header(const struct commit *commit, const char *key)
 			next = NULL;
 		} else
 			next = eol + 1;
-		if (!strncmp(line, key, key_len) && line[key_len] == ' ') {
+		if (eol - line > key_len &&
+		    !strncmp(line, key, key_len) &&
+		    line[key_len] == ' ') {
 			int len = eol - line - key_len;
 			char *ret = xmalloc(len);
 			memcpy(ret, line + key_len + 1, len - 1);