diff --git a/notes.py b/notes.py
new file mode 100644
index 0000000..a3eef53
--- /dev/null
+++ b/notes.py
@@ -0,0 +1,38 @@
+#!/usr/bin/env python
+# file notes.py
+# author Florent Guiotte <florent.guiotte@uhb.fr>
+# version 0.0
+# date 27 mai 2019
+"""Abstract
+
+doc.
+"""
+
+import panflute as pf
+import re
+
+f = None
+
+def prepare(doc):
+    global f
+    doc.ignore = False
+    f = open('test.pdfpc', 'w')
+
+def comment(el, doc):
+    global f
+    is_relevant = (type(el) == pf.RawBlock)# and (el.format == 'html')
+    if is_relevant and re.search("::notes", el.text):
+        doc.ignore = True
+    if doc.ignore:
+        if is_relevant and re.search("::", el.text):
+            doc.ignore = False
+        f.write('{}\n'.format(el.text))
+        return []
+
+def finalize(doc):
+    global f
+    f.close()
+
+if __name__ == "__main__":
+    pf.toJSONFilter(comment, prepare=prepare, finalize=finalize)
+