Use the core utilities tagfile for linked docs.

.github/workflows/doxygenate.yaml

@@ -10,18 +10,27 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@v4
+
     - name: Add Pretty CSS
       uses: wei/wget@v1
       with:
         args: -O docs/doxygen-awesome.css https://raw.githubusercontent.com/jothepro/doxygen-awesome-css/main/doxygen-awesome.css
-    - name: Download tagfile
+
+    - name: Download tatami tagfile
       uses: wei/wget@v1
       with:
         args: -O docs/tatami.tag https://tatami-inc.github.io/tatami/tatami.tag
+
+    - name: Download core utilities tagfile
+      uses: wei/wget@v1
+      with:
+        args: -O docs/scran_core_utils.tag https://libscran.github.io/core_utils/scran_core_utils.tag
+
     - name: Doxygen Action
       uses: mattnotmitt/doxygen-action@v1
       with:
         working-directory: docs/
+
     - name: GH Pages Deployment
       uses: JamesIves/github-pages-deploy-action@v4
       with:

.gitignore

@@ -3,3 +3,4 @@
 build/
 docs/html
 docs/latex
+docs/*.tag

docs/Doxyfile

@@ -2323,7 +2323,8 @@ SKIP_FUNCTION_MACROS   = YES
 # the path). If a tag file is not located in the directory in which doxygen is
 # run, you must also specify the path to the tagfile here.
 
-TAGFILES               = tatami.tag=https://tatami-inc.github.io/tatami
+TAGFILES               = tatami.tag=https://tatami-inc.github.io/tatami \
+                         scran_core_utils.tag=https://libscran.github.io/core_utils
 
 # When a file name is specified after GENERATE_TAGFILE, doxygen will create a
 # tag file that is based on the input files it reads. See section "Linking to