Add the logiPat plugin to the distribution.
diff --git a/runtime/doc/Makefile b/runtime/doc/Makefile
index 86ccb74..dc49bb7 100644
--- a/runtime/doc/Makefile
+++ b/runtime/doc/Makefile
@@ -75,6 +75,7 @@
 	pattern.txt \
 	pi_getscript.txt \
 	pi_gzip.txt \
+	pi_logipat.txt \
 	pi_netrw.txt \
 	pi_paren.txt \
 	pi_spec.txt \
@@ -207,6 +208,7 @@
 	pattern.html \
 	pi_getscript.html \
 	pi_gzip.html \
+	pi_logipat.html \
 	pi_netrw.html \
 	pi_paren.html \
 	pi_spec.html \