--- rxvt-unicode/README.configure	2004/08/14 03:07:50	1.16
+++ rxvt-unicode/README.configure	2004/08/15 18:59:05	1.18
@@ -18,9 +18,14 @@
         them, you don't pay for them.
 
     --with-codesets=NAME,...
-        Compile in support for additional codeset groups:
+        Compile in support for additional codeset (encoding) groups. These
+        codeset tables are currently only used for driving X11 core fonts,
+        they are not required for Xft fonts. Compiling them in will make
+        your binary bigger (together about 700kB), but it doesn't increase
+        memory usage unless you use an X11 font requiring one of these
+        encodings.
 
-           all             all of the above 
+           all             all available codeset groups 
            cn              common chinese encodings 
            cn_ext          rarely used but very big chinese encodigs 
            jp              common japanese encodings 
@@ -159,6 +164,11 @@
         to have. Normally you want this, but for very small binaries you may
         want to disable this.
 
+    --enable-iso14755
+        Enable extended ISO 14755 support (see rxvt(1), or doc/rxvt.1.txt).
+        Basic support (section 5.1) is enabled by "--enable-frills", while
+        support for 5.2, 5.3 and 5.4 is enabled with this switch.
+
     --enable-linespace
         Add support to provide user specified line spacing between text
         rows.