Try use raw LaTeX

.github/workflows/gh-pages.yml

@@ -49,7 +49,7 @@ jobs:
         uses: actions/configure-pages@v5
       - name: Install forester and build
         run: |
-          sudo apt-get install libev-dev
+          sudo apt-get install libev-dev dvisvgm
           brew install opam bubblewrap
           opam init --auto-setup --yes
           opam update --yes

trees/uts-0002.tree

@@ -8,5 +8,15 @@
 
 \p{This is also an experiment of using [Forester](https://www.jonmsterling.com/jms-005P.xml) for building [forests of evergreen notes](https://www.jonmsterling.com/tfmt-000V.xml). I wish to use it to organize many definitions and discussions about Spin groups. My hope to find these notes easier to reuse and refer to in blogs, papers, blueprints etc.}
 
+\def\my-tex[body]{
+\tex{
+\usepackage{tikz, tikz-cd, mathtools, amsmath, amssymb, stmaryrd}
+}{\body}
+}
+
+\my-tex{
+Let $M$ be a module over a commutative ring $R$, equipped with a quadratic form $Q: M \to R$.
+}
+
 \p{See [[lawson2016spin]].}