diff --git a/src/ChangeLog b/src/ChangeLog
index 21859dd22a..ffd4f5a07e 100644
--- a/src/ChangeLog
+++ b/src/ChangeLog
@@ -1,3 +1,8 @@
+2007-01-19  Jean-Marc Lasgouttes  <lasgouttes@lyx.org>
+
+	* lyx_main.C (readUIFile): when reading an include file which name
+	ends in .ui, try the .inc version too (support for user ui files)
+
 2007-01-17  Martin Vermeer  <martin.vermeer@hut.fi>
 
 	* text.C (breakParagraph): when tracking changes, do not remove
diff --git a/src/lyx_main.C b/src/lyx_main.C
index 2e3a2b0f53..2644dc5a5c 100644
--- a/src/lyx_main.C
+++ b/src/lyx_main.C
@@ -62,6 +62,7 @@
 using lyx::support::AddName;
 using lyx::support::AddPath;
 using lyx::support::bformat;
+using lyx::support::ChangeExtension;
 using lyx::support::createDirectory;
 using lyx::support::createLyXTmpDir;
 using lyx::support::FileSearch;
@@ -714,7 +715,7 @@ void LyX::readRcFile(string const & name)
 
 
 // Read the ui file `name'
-void LyX::readUIFile(string const & name)
+void LyX::readUIFile(string const & name, bool include)
 {
 	enum Uitags {
 		ui_menuset = 1,
@@ -746,7 +747,16 @@ void LyX::readUIFile(string const & name)
 
 	lyxerr[Debug::INIT] << "About to read " << name << "..." << endl;
 
-	string const ui_path = LibFileSearch("ui", name, "ui");
+
+	string ui_path;
+	if (include) {
+		ui_path = LibFileSearch("ui", name, "inc");
+		if (ui_path.empty())
+			ui_path = LibFileSearch("ui", 
+						ChangeExtension(name, "inc"));
+	}
+	else
+		ui_path = LibFileSearch("ui", name, "ui");	
 
 	if (ui_path.empty()) {
 		lyxerr[Debug::INIT] << "Could not find " << name << endl;
@@ -772,7 +782,7 @@ void LyX::readUIFile(string const & name)
 		case ui_include: {
 			lex.next(true);
 			string const file = lex.getString();
-			readUIFile(file);
+			readUIFile(file, true);
 			break;
 		}
 		case ui_menuset:
diff --git a/src/lyx_main.h b/src/lyx_main.h
index 6466da745d..b8f853c2da 100644
--- a/src/lyx_main.h
+++ b/src/lyx_main.h
@@ -85,7 +85,7 @@ private:
 	/// read lyxrc/preferences
 	void readRcFile(std::string const & name);
 	/// read the given ui (menu/toolbar) file
-	void readUIFile(std::string const & name);
+	void readUIFile(std::string const & name, bool include = false);
 	/// read the given languages file
 	void readLanguagesFile(std::string const & name);
 	/// read the given encodings file
diff --git a/status.14x b/status.14x
index 894985ebb8..ba8aa4171f 100644
--- a/status.14x
+++ b/status.14x
@@ -86,7 +86,7 @@ What's new
 
 - Revert fix from 1.4.3 for better display of script insets with a nucleus
   with more than one element (like {a'}^{2}), since it was buggy and it is
-  very difficult to do it right.
+  very difficult to do it right (bug 2921)
 
 - Re-enable Address paragraph style in AMS article classes (bug 2890).