diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index bcb213e..89cbb25 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -31,7 +31,7 @@ jobs:
           mkdir -p ~/.local/bin
           ~/.TinyTeX/bin/x86_64-linux/tlmgr option sys_bin ~/.local/bin
           ~/.TinyTeX/bin/x86_64-linux/tlmgr path add
-          ~/.TinyTeX/bin/x86_64-linux/tlmgr install libertinus-otf
+          ~/.TinyTeX/bin/x86_64-linux/tlmgr install libertinus-fonts
 
       - name: install dependencies for diagram.lua and webshot2
         run: sudo apt update && sudo apt install -y inkscape libcurl4-openssl-dev
diff --git a/.gitignore b/.gitignore
index 2bbefe3..f238278 100644
--- a/.gitignore
+++ b/.gitignore
@@ -3,7 +3,11 @@
 /.luarc.json
 /.quarto/
 /*_files
+/*_cache
+/_freeze
 .Rprofile
 computo-quarto-extension.html
 computo-quarto-extension.pdf
 _environment
+/.micromamba/
+
diff --git a/_extensions/computo/_extensions/pandoc-ext/diagram/diagram.lua b/_extensions/computo/_extensions/pandoc-ext/diagram/diagram.lua
index 3042b33..dfa27d3 100644
--- a/_extensions/computo/_extensions/pandoc-ext/diagram/diagram.lua
+++ b/_extensions/computo/_extensions/pandoc-ext/diagram/diagram.lua
@@ -10,7 +10,7 @@ PANDOC_VERSION:must_be_at_least '3.0'
 if warn then
   warn '@on'
 else
-  warn = function (...) io.stderr:write(...) end
+  warn = function(...) io.stderr:write(table.concat({ ... })) end
 end
 
 local system = require 'pandoc.system'
@@ -148,8 +148,7 @@ local mermaid = {
 --- packages as the first, and the actual TikZ code as the second
 --- argument.
 local tikz_template = pandoc.template.compile [[
-\documentclass{standalone}
-\usepackage{tikz}
+\documentclass[tikz]{standalone}
 $for(header-includes)$
 $it$
 $endfor$
@@ -192,13 +191,19 @@ local tikz = {
         write_file(tikz_file, tex_code)
 
         -- Execute the LaTeX compiler:
-        pandoc.pipe(
+        local output, status, signal = pandoc.pipe(
           self.execpath or 'pdflatex',
-          {'-output-directory', tmpdir, tikz_file},
+          { '-interaction=nonstopmode', '-output-directory', tmpdir, tikz_file },
           ''
         )
-
-        return read_file(pdf_file), 'application/pdf'
+        pdf_content = read_file(pdf_file)
+        if status ~= 0 or signal ~= 0 or pdf_content == nil then
+          warn(string.format(
+          "pdflatex failed with status %s and signal %s. Output:\n%s",
+            tostring(status), tostring(signal), tostring(output)))
+        end
+
+        return pdf_content, 'application/pdf'
       end)
     end)
   end
@@ -206,7 +211,7 @@ local tikz = {
 
 --- Asymptote diagram engine
 local asymptote = {
-  line_comment_start = '//',
+  line_comment_start = '%%',
   mime_types = {
     ['application/pdf'] = true,
   },
diff --git a/_quarto.yml b/_quarto.yml
index 3de3655..236f95a 100644
--- a/_quarto.yml
+++ b/_quarto.yml
@@ -1,2 +1,16 @@
 project:
   title: "computo-quarto-extension"
+  render: 
+    - computo-quarto-extension.qmd
+  resources: 
+    - environment.yml
+    - .nojekyll
+
+execute: 
+  cache: true
+  freeze: auto
+
+format:
+  computo-html: 
+    output-file: index.html
+  computo-pdf: default  
\ No newline at end of file