diff --git a/lib/ui/stdmenus.ui b/lib/ui/stdmenus.ui
index 0cd352acfa..80425eb848 100644
--- a/lib/ui/stdmenus.ui
+++ b/lib/ui/stdmenus.ui
@@ -380,6 +380,7 @@ Menuset
 		Item "LaTeX Preamble...|P" "dialog-show preamble"
 		Item "Start Appendix Here|A" "appendix"
 		Separator
+		Item "Compressed|o" "toggle-compression"
 		Item "Settings...|S" "dialog-show document"
 	End
 
diff --git a/src/BufferView_pimpl.C b/src/BufferView_pimpl.C
index 7578634399..476860eea2 100644
--- a/src/BufferView_pimpl.C
+++ b/src/BufferView_pimpl.C
@@ -1087,6 +1087,12 @@ FuncStatus BufferView::Pimpl::getStatus(FuncRequest const & cmd)
 	case LFUN_REJECT_ALL_CHANGES:
 		flag.enabled(buffer_ && buffer_->params().tracking_changes);
 		break;
+
+	case LFUN_TOGGLE_COMPRESSION: {
+		flag.setOnOff(buffer_->params().compressed);
+		break;
+	}
+
 	default:
 		flag.enabled(false);
 	}
@@ -1335,6 +1341,12 @@ bool BufferView::Pimpl::dispatch(FuncRequest const & cmd)
 		Alert::information(_("Count words"), message);
 	}
 		break;
+
+	case LFUN_TOGGLE_COMPRESSION:
+		// turn compression on/off
+		buffer_->params().compressed = !buffer_->params().compressed;
+		break;
+
 	default:
 		return false;
 	}
diff --git a/src/LyXAction.C b/src/LyXAction.C
index 911bef3d4c..af4ee4930c 100644
--- a/src/LyXAction.C
+++ b/src/LyXAction.C
@@ -110,6 +110,7 @@ void LyXAction::init()
 		{ LFUN_BEGINNINGBUFSEL, "buffer-begin-select", ReadOnly },
 		{ LFUN_CHILDOPEN, "buffer-child-open", ReadOnly },
 		{ LFUN_RUNCHKTEX, "buffer-chktex", ReadOnly },
+		{ LFUN_TOGGLE_COMPRESSION, "buffer-toggle-compression", Noop},
 		{ LFUN_CLOSEBUFFER, "buffer-close", ReadOnly },
 		{ LFUN_ENDBUF, "buffer-end", ReadOnly },
 		{ LFUN_ENDBUFSEL, "buffer-end-select", ReadOnly },
diff --git a/src/lfuns.h b/src/lfuns.h
index 0c7633df5c..294408be91 100644
--- a/src/lfuns.h
+++ b/src/lfuns.h
@@ -357,6 +357,7 @@ enum kb_action {
 	LFUN_BIBDB_ADD,
 	LFUN_BIBDB_DEL,
 	LFUN_INSERT_CITATION,
+	LFUN_TOGGLE_COMPRESSION,         // bpeng 20060427
 
 	LFUN_LASTACTION                  // end of the table
 };
diff --git a/status.14x b/status.14x
index 7e0c0d8b84..75776c516b 100644
--- a/status.14x
+++ b/status.14x
@@ -24,13 +24,16 @@ What's new
 - Update translations for German (User Guide, Extended Features) and
   Hungarian (Introduction, splash document, new tutorial examples).
 
-- add support for Austrian (new spelling) as document language.
+- Add support for Austrian (new spelling) as document language.
 
-- add "LaTeX (pdflatex)" output format. This new output format produces
+- Add "LaTeX (pdflatex)" output format. This new output format produces
   .tex files that are suitable for pdflatex, including figure conversion
   to png, pdf or jpeg instead of eps.
 
-- add biographynophoto style to IEEEtran.layout
+- Add biographynophoto style to IEEEtran.layout.
+
+- Add new function buffer-toggle-compression (and entry in Document
+  menu) to change whether the file will be compressed on disk or not.
 
 ** Bug fixes