Fix bug #10153: There's a mechanism in XHTML output that defers the

output of tags until we know they're needed. In the case of HTML
tables, empty cells should of course be output, so we need to force
the tags to be output.

(cherry picked from commit 35d449c5da)

src/insets/InsetTabular.cpp

@@ -3019,7 +3019,7 @@ docstring Tabular::xhtmlRow(XHTMLStream & xs, row_type row,
 		else if (isMultiRow(cell))
 			attr << " rowspan='" << rowSpan(cell) << "'";
 
-		xs << html::StartTag(celltag, attr.str()) << html::CR();
+		xs << html::StartTag(celltag, attr.str(), true) << html::CR();
 		ret += cellInset(cell)->xhtml(xs, runparams);
 		xs << html::EndTag(celltag) << html::CR();
 		++cell;

status.22x

@@ -69,6 +69,8 @@ What's new
 - Resolve problem on Windows with importing files from directories with
   accented characters on FAT drives (bug 10218).
 
+- Make sure we output all XHTML table cells, even the empty ones (bug 10153).
+
 
 * LYX2LYX