--- a/RelaxNG/publiquiz.rnc mer. août 14 20:01:39 2019 +0200
+++ b/RelaxNG/publiquiz.rnc jeu. août 15 10:55:28 2019 +0200
@@ -170,7 +170,7 @@
blanks-fill.content =
(blanks.block+ | blanks.section+),
- keyboard
+ keyboard?
blanks-select.content =
blanks.intruders?,
(blanks.block+ | blanks.section+)