fix references to files in repository

4 files changed, 4 insertions, 5 deletions

diff --git a/docs/antora.yml b/docs/antora.yml
index 396b2f43..e1ac0d95 100644
--- a/docs/antora.yml
+++ b/docs/antora.yml
@@ -9,7 +9,6 @@ asciidoc:
     release-line: '2.3.x'
     url-gem: https://rubygems.org/gems/asciidoctor-pdf
     url-project-repo: https://github.com/asciidoctor/asciidoctor-pdf
-    url-repo-root: https://github.com/asciidoctor/asciidoctor-pdf/tree/main
     url-project-issues: https://github.com/asciidoctor/asciidoctor-pdf/issues
     url-api-docs: https://www.rubydoc.info/github/asciidoctor/asciidoctor-pdf/Asciidoctor/PDF/Converter
     url-prawn: https://prawnpdf.org
diff --git a/docs/modules/theme/pages/create-theme.adoc b/docs/modules/theme/pages/create-theme.adoc
index ba9e2296..4d700665 100644
--- a/docs/modules/theme/pages/create-theme.adoc
+++ b/docs/modules/theme/pages/create-theme.adoc
@@ -161,7 +161,7 @@ extends: ~
 Although no theme keys are set in this case, Asciidoctor PDF will still resort to using fallback values when a theme setting is required.
 Thus, "`from scratch`" really means mostly from scratch.
 
-If you choose not to extend a theme, you should consult the {url-repo-root}/data/themes/base-theme.yml[base theme] to discover which keys you'll need to set to support the visual hierarchy and styling of core block and inline elements.
+If you choose not to extend a theme, you should consult the {url-project-repo}/blob/{page-origin-refname}/data/themes/base-theme.yml[base theme^] to discover which keys you'll need to set to support the visual hierarchy and styling of core block and inline elements.
 You can also find the location of the [.path]_data/themes_ directory on your local disk by running the following command:
 
  $ gem contents asciidoctor-pdf --show-install-dir
diff --git a/docs/modules/theme/pages/keys.adoc b/docs/modules/theme/pages/keys.adoc
index 320779b6..0595d731 100644
--- a/docs/modules/theme/pages/keys.adoc
+++ b/docs/modules/theme/pages/keys.adoc
@@ -11,9 +11,9 @@ This nested structure is for organizational purposes only.
 All keys are flatted when the theme is loaded (e.g., `text-align` nested under `base` becomes `base-text-align`).
 
 The converter uses the values of these keys to control how most elements are arranged and styled in the PDF.
-The default values listed in this section get inherited from the {url-repo-root}/data/themes/base-theme.yml[base theme^].
+The default values listed in this section get inherited from the {url-project-repo}/blob/{page-origin-refname}/data/themes/base-theme.yml[base theme^].
 
-IMPORTANT: The {url-repo-root}/data/themes/default-theme.yml[default theme^] has a different set of values which are not shown in this guide.
+IMPORTANT: The {url-project-repo}/blob/{page-origin-refname}/data/themes/default-theme.yml[default theme^] has a different set of values which are not shown in this guide.
 
 When creating a theme that extends the base theme, all keys are optional.
 Required keys are provided by the base theme.
diff --git a/docs/modules/theme/pages/prepare-custom-font.adoc b/docs/modules/theme/pages/prepare-custom-font.adoc
index 6f84a875..7893d295 100644
--- a/docs/modules/theme/pages/prepare-custom-font.adoc
+++ b/docs/modules/theme/pages/prepare-custom-font.adoc
@@ -109,5 +109,5 @@ Performing all this font modification manually can be tedious (not to mention ha
 Fortunately, FontForge provides a {url-fontforge-scripting}[scripting interface^], which you can use to automate the process.
 
 In fact, that's what we use to prepare the fonts that are bundled with Asciidoctor PDF.
-You can find that FontForge script, the Bash script that calls it, and the Docker image in which it is run in the {url-repo-root}/scripts[scripts directory^] of this project.
+You can find that FontForge script, the Bash script that calls it, and the Docker image in which it is run in the {url-project-repo}/tree/{page-origin-refname}/scripts[scripts directory^] of this project.
 You can use that script as a starting point or reference for your own font preparation / modification script.