Index: head/science/2d-rewriter/Makefile
===================================================================
--- head/science/2d-rewriter/Makefile	(revision 529203)
+++ head/science/2d-rewriter/Makefile	(revision 529204)
@@ -1,28 +1,22 @@
 # Created by: Igor Serikov <iserikov@acm.org>
 # $FreeBSD$
 
 PORTNAME=	2d-rewriter
-PORTVERSION=	1.5
-PORTREVISION=	1
+PORTVERSION=	1.6
 CATEGORIES=	science
-#MASTER_SITES=	http://www.crowdeduniverse.org/distfiles/
 
 MAINTAINER=	iserikov@acm.org
 COMMENT=	Cellular automata simulator
 
 USES=		imake xorg
 USE_XORG=	x11 xext
 USE_GITHUB=	yes
 GH_ACCOUNT=	iserikov
 
 OPTIONS_DEFINE=	EXAMPLES
 
-.include <bsd.port.options.mk>
-
-.if ${PORT_OPTIONS:MEXAMPLES}
-post-install:
+do-install-EXAMPLES-on:
 	${MKDIR} ${STAGEDIR}${EXAMPLESDIR}
 	(cd ${WRKSRC}/examples/ && ${COPYTREE_SHARE} \* ${STAGEDIR}${EXAMPLESDIR})
-.endif
 
 .include <bsd.port.mk>
Index: head/science/2d-rewriter/distinfo
===================================================================
--- head/science/2d-rewriter/distinfo	(revision 529203)
+++ head/science/2d-rewriter/distinfo	(revision 529204)
@@ -1,2 +1,3 @@
-SHA256 (iserikov-2d-rewriter-1.5_GH0.tar.gz) = 794bbd1e6d4edaeba6dd63c1eaa0b68a2a1132cfaae1bda4e187de10fec755a8
-SIZE (iserikov-2d-rewriter-1.5_GH0.tar.gz) = 15859
+TIMESTAMP = 1585246506
+SHA256 (iserikov-2d-rewriter-1.6_GH0.tar.gz) = 904efb7d185ec818a75436f966145a7dfb4fd39fa0affddf593b7fdc18174a92
+SIZE (iserikov-2d-rewriter-1.6_GH0.tar.gz) = 15848
Index: head/science/2d-rewriter/pkg-descr
===================================================================
--- head/science/2d-rewriter/pkg-descr	(revision 529203)
+++ head/science/2d-rewriter/pkg-descr	(revision 529204)
@@ -1,19 +1,12 @@
-2d-rewriter is a cellular automata simulator.
-
-               Key features
-
-Declarative input language for rules and initial patterns definition.
-
-Ability to emulate Conway's "Life Game" via proper rules specification.
-
-Ability to demonstrate self replicating loops.
-
-Patterns are tried in 4 orientations.
-
-Cell directions are defined against the pattern orientation.
-
-Total number of rules can be substantially decreased by using
+2d-rewriter is a cellular automata simulator. Key features:
+- Declarative input language for rules and initial patterns definition.
+- Ability to emulate Conway's "Life Game" via proper rules specification.
+- Ability to demonstrate self replicating loops.
+- Patterns are tried in 4 orientations.
+- Cell directions are defined against the pattern orientation.
+- Total number of rules can be substantially decreased by using
 sets and defining patterns using variables.
-
-Required run time environment is a minimal X window system installation
+- Required run time environment is a minimal X window system installation
 on a POSIX-compatible system (*BSD/Linux/Mac OS X/Cygwin/...).
+
+WWW: https://github.com/iserikov/2d-rewriter