Follow-up Comment #2, bug #58639 (project make):
Paul, do you think we can describe this scenario this explicitly in the doc?
E.g.
diff --git a/doc/make.texi b/doc/make.texi
index 733c0b9..9c625d7 100644
--- a/doc/make.texi
+++ b/doc/make.texi
@@ -10342,9 +10342,9 @@ A pattern rule can be used to build a given file only
if there is a
target pattern that matches the file name, @emph{and} all
prerequisites in that rule either exist or can be built. The rules
you write take precedence over those that are built in. Note however,
-that a rule whose prerequisites actually exist or are mentioned always
-takes priority over a rule with prerequisites that must be made by
-chaining other implicit rules.
+that a rule whose prerequisites actually exist or are mentioned or
+which has no prerequisites always takes priority over a rule with
+prerequisites that must be made by chaining other implicit rules.
@cindex stem, shortest
It is possible that more than one pattern rule will meet these
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