diff --git a/manual/mkidx.ist b/manual/mkidx.ist
new file mode 100644
index 0000000000..b8d7571c4a
--- /dev/null
+++ b/manual/mkidx.ist
@@ -0,0 +1,4 @@
+headings_flag 1
+heading_prefix "{\\bf "
+heading_suffix "}\\nopagebreak%\n \\vskip.2\\baselineskip\\nopagebreak%"
+