Fix for some etc/refcards encoding issues

* etc/refcards/cs-dired-ref.tex, etc/refcards/cs-refcard.tex:
* etc/refcards/cs-survival.tex, etc/refcards/sk-dired-ref.tex:
* etc/refcards/sk-refcard.tex, etc/refcards/sk-survival.tex:
Input "utf8off", which seems to be needed.

etc/ChangeLog

+2014-04-11  Glenn Morris  <rgm@gnu.org>
+
+	* refcards/cs-dired-ref.tex, refcards/cs-refcard.tex:
+	* refcards/cs-survival.tex, refcards/sk-dired-ref.tex:
+	* refcards/sk-refcard.tex, refcards/sk-survival.tex:
+	Input "utf8off", which seems to be needed.
+
 2014-03-14  Rüdiger Sonderfeld  <ruediger@c-plusplus.de>
 
 	* tutorials/TUTORIAL.de: Adapt to recent changes in TUTORIAL.

etc/refcards/cs-dired-ref.tex

@@ -31,6 +31,11 @@
 % Czech hyphenation rules applied
 \chyph
 
+% Without this, pdfTeX 3.1415926-2.5-1.40.14 (TeX Live 2013/Debian)
+% aborts with: "! UTF-8 INPUT IS CORRUPTED !
+% May be you are using another input encoding"
+\input utf8off
+
 % This file can be printed with 1, 2, or 3 columns per page.
 % Specify how many you want here.
 \newcount\columnsperpage

etc/refcards/cs-refcard.tex

@@ -49,6 +49,11 @@
 % Czech hyphenation rules applied
 \chyph
 
+% Without this, pdfTeX 3.1415926-2.5-1.40.14 (TeX Live 2013/Debian)
+% aborts with: "! UTF-8 INPUT IS CORRUPTED !
+% May be you are using another input encoding"
+\input utf8off
+
 % This file can be printed with 1, 2, or 3 columns per page.
 % Specify how many you want here.
 \newcount\columnsperpage

etc/refcards/cs-survival.tex

@@ -54,6 +54,11 @@
 % Czech hyphenation rules applied
 \chyph
 
+% Without this, pdfTeX 3.1415926-2.5-1.40.14 (TeX Live 2013/Debian)
+% aborts with: "! UTF-8 INPUT IS CORRUPTED !
+% May be you are using another input encoding"
+\input utf8off
+
 \input emacsver.tex
 
 \def\copyrightnotice{\penalty-1\vfill

etc/refcards/sk-dired-ref.tex

@@ -32,6 +32,11 @@
 % Slovak hyphenation rules applied
 \shyph
 
+% Without this, pdfTeX 3.1415926-2.5-1.40.14 (TeX Live 2013/Debian)
+% aborts with: "! UTF-8 INPUT IS CORRUPTED !
+% May be you are using another input encoding"
+\input utf8off
+
 % This file can be printed with 1, 2, or 3 columns per page.
 % Specify how many you want here.
 \newcount\columnsperpage

etc/refcards/sk-refcard.tex

@@ -50,6 +50,11 @@
 % Slovak hyphenation rules applied
 \shyph
 
+% Without this, pdfTeX 3.1415926-2.5-1.40.14 (TeX Live 2013/Debian)
+% aborts with: "! UTF-8 INPUT IS CORRUPTED !
+% May be you are using another input encoding"
+\input utf8off
+
 % This file can be printed with 1, 2, or 3 columns per page.
 % Specify how many you want here.
 \newcount\columnsperpage

etc/refcards/sk-survival.tex

@@ -55,6 +55,11 @@
 % Slovak hyphenation rules applied
 \shyph
 
+% Without this, pdfTeX 3.1415926-2.5-1.40.14 (TeX Live 2013/Debian)
+% aborts with: "! UTF-8 INPUT IS CORRUPTED !
+% May be you are using another input encoding"
+\input utf8off
+
 \input emacsver.tex
 
 \def\copyrightnotice{\penalty-1\vfill