(struct cp_options): Add a comment.

diff --git a/src/copy.h b/src/copy.h
index c5b1ab2355dfb97e502b78af0d5c7c2a40e10041..10cdce9796b75c83ba796c0575ca9a0781e2920a 100644 (file)
--- a/src/copy.h
+++ b/src/copy.h
@@ -54,6 +54,10 @@ enum Dereference_symlink
    || (Mode) == SPARSE_AUTO            \
    || (Mode) == SPARSE_ALWAYS)
 
+/* These options control how files are copied by at least the
+   following programs: mv (when rename doesn't work), cp, install.
+   So, if you add a new member, be sure to initialize it in
+   mv.c, cp.c, and install.c.  */
 struct cp_options
 {
   enum backup_type backup_type;