Fix url.icu entity ref

diff --git a/doc/installation.xml b/doc/installation.xml
index aed87c0..49a60ae 100644 (file)
--- a/doc/installation.xml
+++ b/doc/installation.xml
@@ -87,7 +87,7 @@
 
     <para>
      YAZ 3.0.16 and later includes a wrapper for the 
 
     <para>
      YAZ 3.0.16 and later includes a wrapper for the 

-     <ulink url="%url.icu;">ICU</ulink> 
+     <ulink url="&url.icu;">ICU</ulink> 

      (International Components for Unicode).
      In order to use this, the developer version of the ICU library
      must be available.
      (International Components for Unicode).
      In order to use this, the developer version of the ICU library
      must be available.