Fix ambigous error on site.GetPage

Fixes #7016

hugolib/pagecollections_test.go

@@ -334,3 +334,52 @@ NOT FOUND
 	b.AssertFileContent("public/who/index.html", `NOT FOUND`)
 
 }
+
+// https://github.com/gohugoio/hugo/issues/7016
+func TestGetPageMultilingual(t *testing.T) {
+	b := newTestSitesBuilder(t)
+
+	b.WithConfigFile("yaml", `
+baseURL: "http://example.org/"
+languageCode: "en-us"
+defaultContentLanguage: ru
+title: "My New Hugo Site"
+uglyurls: true
+
+languages:
+  ru: {}
+  en: {}
+`)
+
+	b.WithContent(
+		"docs/1.md", "\n---title: p1\n---",
+		"news/1.md", "\n---title: p1\n---",
+		"news/1.en.md", "\n---title: p1en\n---",
+		"news/about/1.md", "\n---title: about1\n---",
+		"news/about/1.en.md", "\n---title: about1en\n---",
+	)
+
+	b.WithTemplates("index.html", `
+{{ with site.GetPage "docs/1" }}
+    Docs p1: {{ .Title }}
+{{ else }}
+NOT FOUND
+{{ end }}
+`)
+
+	b.Build(BuildCfg{})
+
+	b.AssertFileContent("public/index.html", `Docs p1: p1`)
+	b.AssertFileContent("public/en/index.html", `NOT FOUND`)
+
+}
+
+func TestShouldDoSimpleLookup(t *testing.T) {
+	c := qt.New(t)
+
+	c.Assert(shouldDoSimpleLookup("foo.md"), qt.Equals, true)
+	c.Assert(shouldDoSimpleLookup("/foo.md"), qt.Equals, true)
+	c.Assert(shouldDoSimpleLookup("./foo.md"), qt.Equals, false)
+	c.Assert(shouldDoSimpleLookup("docs/foo.md"), qt.Equals, false)
+
+}