diff --git a/codepot/etc/Makefile.am b/codepot/etc/Makefile.am
index 12e9e21a..9503fa79 100644
--- a/codepot/etc/Makefile.am
+++ b/codepot/etc/Makefile.am
@@ -1,7 +1,7 @@
 
 cfgdir=$(CFGDIR)
 cfg_DATA = codepot.ini codepot.sql codepot.a2ldap
-cfg_SCRIPTS = start-commit pre-commit post-commit
+cfg_SCRIPTS = start-commit pre-commit post-commit pre-revprop-change post-revprop-change
 
 EXTRA_DIST = $(cfg_DATA)  $(cfg_SCRIPTS)
 
diff --git a/codepot/etc/post-revprop-change b/codepot/etc/post-revprop-change
new file mode 100755
index 00000000..791bcdeb
--- /dev/null
+++ b/codepot/etc/post-revprop-change
@@ -0,0 +1,13 @@
+#!/bin/sh
+
+REPOBASE="`basename "${1}"`"
+REV="${2}"
+USER="${3}"
+PROPNAME="${4}"
+ACTION="${5}"
+
+# [STDIN] PROPVAL  ** the old property value is passed via STDIN.
+
+# does not care if logging has failed.
+wget -q -O- "%API%/logRevpropChange/svn/${REPOBASE}/${REV}" 2>/dev/null
+exit 0
diff --git a/codepot/etc/pre-revprop-change b/codepot/etc/pre-revprop-change
new file mode 100755
index 00000000..e59c0f38
--- /dev/null
+++ b/codepot/etc/pre-revprop-change
@@ -0,0 +1,24 @@
+#!/bin/sh
+
+REPOBASE="`basename "${1}"`"
+USER="${2}"
+USER="${3}"
+PROPNAME="${4}"
+ACTION="${5}"
+
+# [STDIN] PROPVAL  ** the new property value is passed via STDIN.
+
+ans="`wget -q -O- "%API%/projectHasMember/${REPOBASE}/${USER}" 2>/dev/null`"
+[ "${ans}" = "YES" ] && exit 0
+
+[ "${ans}" = "NO" ] && {
+	echo "-------------------------------------------------------------" >&2
+	echo " ${USER} is not a member of ${REPOBASE}" >&2
+	echo "-------------------------------------------------------------" >&2
+	exit 1
+}
+
+echo "---------------------------------------------------------------------" >&2
+echo " Failed to check membership of ${REPOBASE} for ${USER}" >&2
+echo "---------------------------------------------------------------------" >&2
+exit 1
diff --git a/codepot/src/codepot/controllers/api.php b/codepot/src/codepot/controllers/api.php
index bd500bdf..da92dd0f 100644
--- a/codepot/src/codepot/controllers/api.php
+++ b/codepot/src/codepot/controllers/api.php
@@ -53,5 +53,16 @@ class API extends Controller
 		$this->email->send ();
 		*/
 	}
+
+	function logCodeRevpropChange ($type, $repo, $rev, $propname)
+	{
+		$this->check_access ();
+
+		if (!isset($repo) || !isset($rev) || !isset($propname)) return;
+
+		$this->load->model ('LogModel', 'logs');
+		// TODO:
+		//$this->logs->writeCodeRevpropChange ($type, $repo, $rev, '');
+	}
 }
 
diff --git a/codepot/src/codepot/views/code_file.php b/codepot/src/codepot/views/code_file.php
index 68ff0503..ec5b222d 100644
--- a/codepot/src/codepot/views/code_file.php
+++ b/codepot/src/codepot/views/code_file.php
@@ -202,8 +202,11 @@ if (array_key_exists('properties', $file) && count($file['properties']) > 0)
 	{
 		print '<li>';
 		print htmlspecialchars($pn);
-		print ' - ';
-		print htmlspecialchars($pv);
+		if ($pv != '')
+		{
+			print ' - ';
+			print htmlspecialchars($pv);
+		}
 		print '</li>';
 	}
 	print '</ul>';
diff --git a/codepot/src/codepot/views/code_folder.php b/codepot/src/codepot/views/code_folder.php
index 2598fe62..c0877a73 100644
--- a/codepot/src/codepot/views/code_folder.php
+++ b/codepot/src/codepot/views/code_folder.php
@@ -54,8 +54,11 @@ $this->load->view (
 				{
 					print '<li>';
 					print htmlspecialchars ($pk);
-					print ' - ';
-					print htmlspecialchars ($pv);
+					if ($pv != '')
+					{
+						print ' - ';
+						print htmlspecialchars ($pv);
+					}
 					print '</li>';
 				}	
 				print '</ul>';
@@ -133,7 +136,7 @@ $this->load->view (
 		$xpar = $this->converter->AsciiTohex ($headpath);
 		if ($revision > 0 && $revision < $next_revision)
 		{
-			print anchor ("code/file/{$project->id}", $this->lang->line('Head revision'));
+			print anchor ("code/file/{$project->id}/{$xpar}", $this->lang->line('Head revision'));
 			print ' | ';
 		}
 		print anchor ("code/history/{$project->id}/{$xpar}", $this->lang->line('History'));