Documentation: clarify -u<mode> option defaults

diff --git a/revision.h b/revision.h
index 36fdf22b299c4cc7e6f20d767d5c6a6c3f69d952..05659c64acd7fe8eb7be011cee6174e397e57baf 100644 (file)
--- a/revision.h
+++ b/revision.h
@@ -151,6 +151,7 @@ extern volatile show_early_output_fn_t show_early_output;
 struct setup_revision_opt {
        const char *def;
        void (*tweak)(struct rev_info *, struct setup_revision_opt *);
+       const char *submodule;
 };
 
 extern void init_revisions(struct rev_info *revs, const char *prefix);