diff --git a/docs/schema.pdf b/docs/schema.pdf
new file mode 100644
index 0000000..3f5474a
Binary files /dev/null and b/docs/schema.pdf differ
diff --git a/docs/schema.typ b/docs/schema.typ
index db1a811..c915cd8 100644
--- a/docs/schema.typ
+++ b/docs/schema.typ
@@ -11,4 +11,5 @@
 /// This functions
 /// - structures (dictionary): A schema dictionary, as returned by #doc-ref("schema.load")
 /// - config (auto, dictionary): The configuration parameters, as returned by #doc-ref("config.config")
-#let render(structures, config: auto)
\ No newline at end of file
+/// - width (ratio, length): The width of the generated figure
+#let render(structures, config: auto, width: 100%) = {}
\ No newline at end of file
diff --git a/manual.pdf b/manual.pdf
index 414b565..fd03bfe 100644
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