--- .home/.cargo/macports/clap-3.1.18/src/output/help.rs	1973-11-30 05:33:09.000000000 +0800
+++ .home/.cargo/macports/clap-3.1.18/src/output/help.rs	2026-01-06 23:55:09.000000000 +0800
@@ -1026,13 +1026,14 @@
                 }
             ) => {
                 match $part {
-                    $(
-                        part if part.starts_with(concat!($tag, "}")) => {
-                            $action
-                            let rest = &part[$tag.len()+1..];
-                            self.none(rest)?;
-                        }
-                    )*
+// Broken, just fall back.
+//                     $(
+//                         part if part.starts_with(concat!($tag, "}")) => {
+//                             $action
+//                             let rest = &part[$tag.len()+1..];
+//                             self.none(rest)?;
+//                         }
+//                     )*
 
                     // Unknown tag, write it back.
                     part => {