acmart.layout: fix generation of Index

also add booktabs.

diff --git a/lib/layouts/acmart.layout b/lib/layouts/acmart.layout
index 9363a0dc8f17a44dc9877c9b76a956191757f318..ae9b83399ba1cbf22e83adaf8d96537a25d79216 100644 (file)
--- a/lib/layouts/acmart.layout
+++ b/lib/layouts/acmart.layout
@@ -30,6 +30,7 @@ Provides ifxetex 1
 Provides inconsolata 1
 Provides latex-tools 1
 Provides libertine 1
+Provides makeidx 1
 Provides manyfoot 1
 Provides microtype 1
 Provides mmap 1