Update the tutorial a bit

diff --git a/diff-files.c b/diff-files.c
index 4d60017e46b1aa54ea07a85b478592408dc34233..3221e319798c46b6208da54b23232b9ec4a048d2 100644 (file)
--- a/diff-files.c
+++ b/diff-files.c
@@ -45,7 +45,7 @@ int main(int argc, const char **argv)
        int i;
 
        while (1 < argc && argv[1][0] == '-') {
-               if (!strcmp(argv[1], "-p"))
+               if (!strcmp(argv[1], "-p") || !strcmp(argv[1], "-u"))
                        diff_output_format = DIFF_FORMAT_PATCH;
                else if (!strcmp(argv[1], "-q"))
                        silent = 1;