list of failing files updated

+ one file added

diff --git a/matita/matita/lib/fail.txt b/matita/matita/lib/fail.txt
index 6da43596dafbc1360684b11cccf84006d731c6f5..018bed89725ee69d61a92ba11c5c29663b6f8f2c 100644 (file)
--- a/matita/matita/lib/fail.txt
+++ b/matita/matita/lib/fail.txt
@@ -1,7 +1,10 @@
+FAILING FILES 2018-12-17
+
 matitac.opt binding/fp.ma
 matitac.opt binding/ln_concrete.ma
 matitac.opt binding/ln.ma
 matitac.opt binding/names.ma
+matitac.opt extraction.ma
 matitac.opt finite_lambda/confluence.ma
 matitac.opt finite_lambda/reduction.ma
 matitac.opt finite_lambda/terms_and_types.ma