model: Document base cases of `mdoc_or_fallback`

Signed-off-by: Jean-Christophe Beaupré <jcbrinfo@users.noreply.github.com>

diff --git a/src/model/model.nit b/src/model/model.nit
index bf3856a..cfb5778 100644 (file)
--- a/src/model/model.nit
+++ b/src/model/model.nit
@@ -566,7 +566,12 @@ class MClass
        # Is `self` and abstract class?
        var is_abstract: Bool is lazy do return kind == abstract_kind
 
-       redef fun mdoc_or_fallback do return intro.mdoc
+       redef fun mdoc_or_fallback
+       do
+               # Don’t use `intro.mdoc_or_fallback` because it would create an infinite
+               # recursion.
+               return intro.mdoc
+       end
 end
 
 
@@ -2054,7 +2059,12 @@ abstract class MProperty
 
        redef var location
 
-       redef fun mdoc_or_fallback do return intro.mdoc
+       redef fun mdoc_or_fallback
+       do
+               # Don’t use `intro.mdoc_or_fallback` because it would create an infinite
+               # recursion.
+               return intro.mdoc
+       end
 
        # The canonical name of the property.
        #