diff --git a/core/java/src/net/i2p/util/WorkingDir.java b/core/java/src/net/i2p/util/WorkingDir.java
index ef037a6448..1f5960d2f2 100644
--- a/core/java/src/net/i2p/util/WorkingDir.java
+++ b/core/java/src/net/i2p/util/WorkingDir.java
@@ -95,6 +95,12 @@ public class WorkingDir {
             return cwd;
         }
 
+        // apparently configured for "portable" ?
+        try {
+            if (oldDirf.getCanonicalPath().equals(dirf.getCanonicalPath()))
+                return cwd;
+        } catch (IOException ioe) {}
+
         // where we want to go
         String rv = dirf.getAbsolutePath();
         if (dirf.exists()) {
diff --git a/history.txt b/history.txt
index 1e7a954320..edc69debf1 100644
--- a/history.txt
+++ b/history.txt
@@ -1,3 +1,8 @@
+2009-07-26 zzz
+    * Add wrapper.config and i2prouter comments for 'portable'
+    * Recognize same base and config dir in WorkingDir
+    * Reformat XInfoPanel in installer for clarity
+
 2009-07-25 dr|z3d
     * Enhance the layout of /graphs.jsp
     * Fix some of the irks in I2PSnark UI.
diff --git a/installer/resources/i2prouter b/installer/resources/i2prouter
index c8bab7911e..2b0edd4204 100644
--- a/installer/resources/i2prouter
+++ b/installer/resources/i2prouter
@@ -18,6 +18,9 @@
 # If you did not run the installer, replace them with the appropriate path.
 I2P="%INSTALL_PATH"
 I2PTEMP="%SYSTEM_java_io_tmpdir"
+# PORTABLE installation:
+# Use the following instead.
+#I2PTEMP="%INSTALL_PATH"
 
 # Application
 APP_NAME="i2p"
diff --git a/installer/resources/start-i2p.txt b/installer/resources/start-i2p.txt
index 9da29e3948..e20ed1e734 100644
--- a/installer/resources/start-i2p.txt
+++ b/installer/resources/start-i2p.txt
@@ -1 +1,3 @@
-To start I2P, run "$INSTALL_PATH/i2prouter start"
+To start I2P, run:
+
+$INSTALL_PATH/i2prouter start
diff --git a/installer/resources/wrapper.config b/installer/resources/wrapper.config
index 1790970ba8..295811d9e1 100644
--- a/installer/resources/wrapper.config
+++ b/installer/resources/wrapper.config
@@ -11,6 +11,13 @@
 # with the runplain.sh script on Linux. Use the 'restartable'
 # icon on Windows or the i2prouter script on Linux to run the wrapper.
 #
+# NOTE - Directory organization:
+# The standard I2P Installation will set up a "split" directory structure
+# with code in the install directory, data and configuration files in the
+# user's home directory, and temporary files in the system temporary directory.
+# To set up a single-directory "portable" installation suitable for
+# a USB stick, make several changes specified below (search for PORTABLE).
+#
 # NOTE - The izpack installer performs variable subsitiution on this
 # file upon installation. If you did not use izpack, you must
 # find and replace all instances of (dollar)INSTALL_PATH and
@@ -47,12 +54,22 @@ wrapper.java.library.path.1=$INSTALL_PATH
 wrapper.java.library.path.2=$INSTALL_PATH/lib
 
 # Java Additional Parameters
+# Numbers must be consecutive (except for stripquotes)
 wrapper.java.additional.1=-DloggerFilenameOverride=logs/log-router-@.txt
 wrapper.java.additional.2=-Dorg.mortbay.http.Version.paranoid=true
 wrapper.java.additional.3=-Dorg.mortbay.util.FileResource.checkAliases=false
 wrapper.java.additional.4=-Dorg.mortbay.xml.XmlParser.NotValidating=true
 wrapper.java.additional.5=-Di2p.dir.base="$INSTALL_PATH"
 wrapper.java.additional.5.stripquotes=TRUE
+# PORTABLE installation:
+# uncomment the following
+#wrapper.java.additional.6=-Di2p.dir.pid="$INSTALL_PATH"
+#wrapper.java.additional.6.stripquotes=TRUE
+#wrapper.java.additional.7=-Di2p.dir.temp="$INSTALL_PATH"
+#wrapper.java.additional.7.stripquotes=TRUE
+#wrapper.java.additional.8=-Di2p.dir.config="$INSTALL_PATH"
+#wrapper.java.additional.8.stripquotes=TRUE
+#
 # Uncomment this for better performance.
 # If it doesn't work, server mode is not available in your JVM.
 # This may not be required if your machine is already "server-class".
@@ -95,6 +112,10 @@ wrapper.console.loglevel=INFO
 # (change X to the next available number)
 # wrapper.java.additional.X=-Dwrapper.logfile=/path/to/wrapper.log
 wrapper.logfile=$SYSTEM_java_io_tmpdir/wrapper.log
+# PORTABLE installation:
+# Use the following instead. I2P will find the logfile here,
+# no need for a wrapper.java.additional line too.
+#wrapper.logfile=$INSTALL_PATH/wrapper.log
 
 # Format of output for the log file.  (See docs for formats)
 wrapper.logfile.format=LPTM
@@ -151,6 +172,9 @@ wrapper.use_system_time=false
 # and edit the i2prouter script to change the WRAPPER_CONF setting
 # to point to the new wrapper.config location.
 wrapper.java.pidfile=$SYSTEM_java_io_tmpdir/routerjvm.pid
+# PORTABLE installation:
+# Use the following instead.
+#wrapper.java.pidfile=$INSTALL_PATH/routerjvm.pid
 # pid file for the service monitoring the JVM
 #
 # From i2prouter:
@@ -162,6 +186,9 @@ wrapper.java.pidfile=$SYSTEM_java_io_tmpdir/routerjvm.pid
 # This means i2prouter looks for './i2p.pid'.
 # See comments above for wrapper.java.pidfile
 wrapper.pidfile=$SYSTEM_java_io_tmpdir/i2p.pid
+# PORTABLE installation:
+# Use the following instead.
+#wrapper.pidfile=$INSTALL_PATH/i2p.pid
 
 #********************************************************************
 # Wrapper NT Service Properties
diff --git a/router/java/src/net/i2p/router/RouterVersion.java b/router/java/src/net/i2p/router/RouterVersion.java
index 9a7f805ca0..1e23e3febc 100644
--- a/router/java/src/net/i2p/router/RouterVersion.java
+++ b/router/java/src/net/i2p/router/RouterVersion.java
@@ -18,7 +18,7 @@ public class RouterVersion {
     /** deprecated */
     public final static String ID = "Monotone";
     public final static String VERSION = CoreVersion.VERSION;
-    public final static long BUILD = 26;
+    public final static long BUILD = 27;
     /** for example "-test" */
     public final static String EXTRA = "-rc";
     public final static String FULL_VERSION = VERSION + "-" + BUILD + EXTRA;