hugolib: Add capitalizeListTitles config option

Whether to capitalize automatic page titles, applicable to section,
taxonomy, and term pages. Default is true.

Closes #9793
Closes #12115

hugolib/page__meta_test.go

@@ -0,0 +1,59 @@
+// Copyright 2024 The Hugo Authors. All rights reserved.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package hugolib_test
+
+import (
+	"strings"
+	"testing"
+
+	"github.com/gohugoio/hugo/hugolib"
+)
+
+// Issue 9793
+// Issue 12115
+func TestListTitles(t *testing.T) {
+	t.Parallel()
+
+	files := `
+-- hugo.toml --
+disableKinds = ['home','rss','sitemap']
+capitalizeListTitles = true
+pluralizeListTitles = true
+[taxonomies]
+tag = 'tags'
+-- content/section-1/page-1.md --
+---
+title: page-1
+tags: 'tag-a'
+---
+-- layouts/_default/list.html --
+{{ .Title }}
+-- layouts/_default/single.html --
+{{ .Title }}
+	`
+
+	b := hugolib.Test(t, files)
+
+	b.AssertFileContent("public/section-1/index.html", "Section-1s")
+	b.AssertFileContent("public/tags/index.html", "Tags")
+	b.AssertFileContent("public/tags/tag-a/index.html", "Tag-A")
+
+	files = strings.Replace(files, "true", "false", -1)
+
+	b = hugolib.Test(t, files)
+
+	b.AssertFileContent("public/section-1/index.html", "section-1")
+	b.AssertFileContent("public/tags/index.html", "tags")
+	b.AssertFileContent("public/tags/tag-a/index.html", "tag-a")
+}