Draft: Add a minimal test playbook / site

.github/workflows/ci.yml

@@ -160,6 +160,11 @@ jobs:
         run: |
           make setup_tutorial
 
+      - name: "build test site"
+        # This should be a separate step from the overall site build, just here ATM for testing
+        working-directory: docs-site
+        run: npx antora uitest.yml --to-dir build/uitest --stacktrace
+
       - name: "prepare repos with make"
         run: make prep-sources
 

Makefile

@@ -97,6 +97,9 @@ export CI = true
 build-site:
 	cd docs-site && npx antora antora-playbook.yml --stacktrace
 
+build-uitest:
+	cd docs-site && npx antora --to-dir build/uitest uitest.yml --stacktrace
+
 # Clean Antora site (but not prepared component sources)
 clean:
 	rm -rf docs-site/build/site

docs-site/uitest.yml

@@ -0,0 +1,35 @@
+# Copyright 2026 The Khronos Group Inc.
+# SPDX-License-Identifier: Apache-2.0
+
+site:
+  title: Khronos Antora UI Test Project
+  start_page: spec::index.adoc
+content:
+# Do not include 'Edit this Page' link per
+# https://docs.antora.org/antora/latest/playbook/content-edit-url/#disable-edit-u
+  edit_url: ~
+  sources:
+    - url: ..
+      branches: HEAD
+      start_paths: docs-site/uitest/spec
+antora:
+  extensions:
+    - require: '@antora/lunr-extension'
+      index_latest_only: true
+
+asciidoc:
+  extensions:
+    # We use a slightly modified version of the @djencks/asciidoctor-mathjax
+    # package, adding AMS macro support to the base MathJax configuration.
+    # This has been sent back upstream in
+    #   https://gitlab.com/djencks/asciidoctor-mathjax.js/-/merge_requests/10
+    - ./js/asciidoctor-mathjax.js
+ui:
+  bundle:
+    # We build our own bundle from this repository.
+    # The Khronos UI is forked from the Antora default UI.
+    url: ui-bundle.zip
+  # Supplemental UI - everything under this path is overlaid on the default
+  # bundle.
+  # This is only for testing quickly without rebuilding the bundle.
+  # supplemental_files: ./supplemental-ui

docs-site/uitest/spec/antora.yml

@@ -0,0 +1,10 @@
+name: spec
+title: Khronos Antora UI Test
+version: latest
+# stem (latexmath) support is provided by the @djencks/asciidoctor-mathjax
+# extension, loaded in the playbook.
+asciidoc:
+  attributes:
+    stem: latexmath
+nav:
+- modules/ROOT/nav.adoc

docs-site/uitest/spec/modules/ROOT/nav.adoc

@@ -0,0 +1 @@
+* xref:page.adoc[UI test page]

docs-site/uitest/spec/modules/ROOT/pages/index.adoc

@@ -0,0 +1,4 @@
+= Spec Index
+
+This is xref:index.adoc[] in the 'spec' component
+Also see xref:page.adoc[page.adoc]

docs-site/uitest/spec/modules/ROOT/pages/page.adoc

@@ -0,0 +1,34 @@
+:data-uri:
+:!icons:
+:attribute-missing: warn
+
+= Khronos Antora UI Test Page
+
+This page tries to exercise UI elements used in the Khronos Vulkan
+Documentation Project, allowing a quick way of reviewing UI changes without
+building the entire, enormous site.
+
+== Unbroken
+
+stem:[\sqrt{ -1 }]
+
+[stem]
+++++
+\sqrt{ i \times i }
+++++
+
+  * latexmath:[\left\lfloor i_G \times 0.5 \right\rfloor = i_B = i_R]
+
+== Broken
+
+stem:[\sqrt{
+-1 }]
+
+[stem]
+++++
+\sqrt{ i
+\times i }
+++++
+
+  * latexmath:[\left\lfloor i_G \times 0.5
+    \right\rfloor = i_B = i_R]