diff --git a/Makefile b/Makefile
new file mode 100644
index 0000000..47f2018
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,5 @@
+valid: 
+	xmllint --dtdvalid schema/tei_all.dtd --xinclude header.xml --noout            
+
+chars: 
+	ag --nofilename -o "(?<=<said who=\")[\w\'\. ]*" *.xml | sort | uniq