diff -up doc/otherformats/xmltex/base/langtest.xml.me doc/otherformats/xmltex/base/langtest.xml
--- doc/otherformats/xmltex/base/langtest.xml.me	2018-11-09 19:15:17.265859217 +0100
+++ doc/otherformats/xmltex/base/langtest.xml	2018-11-09 19:15:37.403926239 +0100
@@ -3,8 +3,6 @@
 
 <!ENTITY englishutf8 SYSTEM "englishutf8.xml">
 <!ENTITY portugeselatin1 SYSTEM "portugeselatin1.xml">
-<!ENTITY englishutf16 SYSTEM "englishutf16.xml">
-<!ENTITY russiankoi8 SYSTEM "russiankoi8.xml">
 <!ENTITY russianutf8 SYSTEM "russianutf8.xml">
 
 ]>
@@ -12,9 +10,7 @@
 <langtest>
 
 &englishutf8;
-&englishutf16;
 &portugeselatin1;
-&russiankoi8;
 &russianutf8;