* GuiTabular.cpp: Fix regression introduced in r30650 (LyX 1.6.4, not in trunk):

The column width field was not cleared for non-fixed columns, leading to unwanted width applications.

I wonder why this bug was never reported.

git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/branches/BRANCH_1_6_X@37371 a592a061-630c-0410-9148-cb99ea01b6c8

src/frontends/qt4/GuiTabular.cpp

@@ -737,7 +737,8 @@ void GuiTabular::updateContents()
 	if (!pwidth.zero()) {
 		colwidth = pwidth.asString();
 		lengthToWidgets(widthED, widthUnit, colwidth, default_unit);
-	}
+	} else
+		widthED->clear();
 
 	// if there is a LaTeX argument, the width and alignment will be overwritten
 	// therefore disable them in this case

status.16x

@@ -131,6 +131,9 @@ What's new
 - Do not allow to put the cursor in an InsetInfo. Instead, a context
   menu item is added to facilitate copying of the contents (bug 5446).
   
+- Clear column width field in the tabular dialog when moving in a column
+  without a fixed width.
+
 - Fix the display of the horizontal alignment of table cells (bug 7007).
 
 - Numbered items in insets that do not produce any output (e.g. Notes)