eolian: disallow ptr() on things that are already pointer-like

This disallows deeply nested pointers, you can only explicitly
ptr() on types that are strictly value types.

For a few cases where it was necessary to override this behavior,
you can use legacy(ptr(x)) as a temporary measure.

1 files changed, 1 insertions, 1 deletions

diff --git a/src/lib/elementary/elm_map.eo b/src/lib/elementary/elm_map.eo
index 7f5376ad85..908444da84 100644
--- a/src/lib/elementary/elm_map.eo
+++ b/src/lib/elementary/elm_map.eo
@@ -431,7 +431,7 @@ class Elm.Map (Elm.Widget, Elm.Interface_Scrollable,
 
            At least available sources of name type are "Nominatim".
          ]]
-         return: ptr(string); [[The char pointer array of source names.]]
+         return: legacy(ptr(string)); [[The char pointer array of source names.]]
          params {
             @in type: Elm.Map.Source_Type; [[Source type.]]
          }