--- code/trunk/README	2007/12/17 14:46:11	286
+++ code/trunk/README	2007/12/18 20:11:28	287
@@ -258,11 +258,23 @@
 
   This automatically implies --enable-rebuild-chartables (see above).
 
-. It is possible to compile pcregrep to use libz and/or libbz2 to read .gz
-  and .bz2 files (respectively) by specifying one or both of
+. It is possible to compile pcregrep to use libz and/or libbz2, in order to 
+  read .gz and .bz2 files (respectively), by specifying one or both of
 
   --enable-pcregrep-libz
   --enable-pcregrep-libbz2
+  
+  Of course, the relevant libraries must be installed on your system.
+  
+. It is possible to compile pcretest so that it links with the libreadline 
+  library, by specifying
+  
+  --enable-pcretest-libreadline 
+  
+  If this is done, when pcretest's input is from a terminal, it reads it using
+  the readline() function. This provides line-editing and history facilities.
+  Note that libreadline is GPL-licenced, so if you distribute a binary of
+  pcretest linked in this way, there may be licensing issues.
 
 The "configure" script builds the following files for the basic C library:
 
@@ -731,4 +743,4 @@
 Philip Hazel
 Email local part: ph10
 Email domain: cam.ac.uk
-Last updated: 17 December 2007
+Last updated: 18 December 2007