From 6e7c89c40b9e33883a2bcf76cc3b8bdf0b0ac59a Mon Sep 17 00:00:00 2001 From: Martin Mares Date: Thu, 31 May 2018 16:14:00 +0200 Subject: [PATCH] =?utf8?q?Fail=20if=20we=20are=20not=20compiled=20by=20an?= =?utf8?q?=20=CE=B5-TeX=20compatible=20engine?= MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit --- ucwmac.tex | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/ucwmac.tex b/ucwmac.tex index 86dc5e5..a3d5f4d 100644 --- a/ucwmac.tex +++ b/ucwmac.tex @@ -1,5 +1,5 @@ % The UCW Macro Collection (a successor of mjmac.tex) -% Written by Martin Mares in 2010--2013 and placed into public domain +% Written by Martin Mares in 2010--2018 and placed into public domain % ------------------------------------------------------------------------------- %%% Prolog %%% @@ -7,6 +7,10 @@ % We'll use internal macros of plain TeX \catcode`@=11 +\ifx\eTeXversion\undefined +\errmessage{ucwmac requires the e-TeX engine or its successor} +\fi + %%% PDF output detection %%% \newif\ifpdf -- 2.39.2