[chem] write prac intro & format results

diff --git a/spec/spec-collated.tex b/spec/spec-collated.tex
index 0525085edb4a24ea2b82239d61b478374fc9ce3b..e747466de93d642db8a9f7785a72ac874570398d 100644 (file)
--- a/spec/spec-collated.tex
+++ b/spec/spec-collated.tex
@@ -22,6 +22,7 @@
     decorations,
     decorations.markings,
     decorations.text,
+    decorations.pathreplacing,
     scopes
 }
 \usetikzlibrary{datavisualization.formats.functions}