From: Vincent van Ravesteijn <vfr@lyx.org>
Date: Sun, 22 Nov 2009 02:03:09 +0000 (+0000)
Subject: Fix bug #6310: Incorrect latex for sparse matrices with vertical lines.
X-Git-Tag: 2.0.0~5049
X-Git-Url: https://git.lyx.org/gitweb/?a=commitdiff_plain;h=cd514c458a58875c41a9d6ab8c37346b1fd0fdc9;p=features.git

Fix bug #6310: Incorrect latex for sparse matrices with vertical lines.

git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@32145 a592a061-630c-0410-9148-cb99ea01b6c8
---

diff --git a/src/mathed/InsetMathGrid.cpp b/src/mathed/InsetMathGrid.cpp
index b42a262892..52c8b28884 100644
--- a/src/mathed/InsetMathGrid.cpp
+++ b/src/mathed/InsetMathGrid.cpp
@@ -994,13 +994,19 @@ void InsetMathGrid::write(WriteStream & os,
 {
 	MathEnsurer ensurer(os, false);
 	docstring eol;
+	LYXERR0( " " << beg_col << " " << end_col );
+
+	LYXERR0( (colinfo_[beg_col].lines_) );
+	LYXERR0( (colinfo_[end_col].lines_) );
 	for (row_type row = beg_row; row < end_row; ++row) {
 		os << verboseHLine(rowinfo_[row].lines_);
-		// don't write & and empty cells at end of line
+		// don't write & and empty cells at end of line,
+		// unless there are vertical lines
 		col_type lastcol = 0;
 		bool emptyline = true;
 		for (col_type col = beg_col; col < end_col; ++col)
-			if (!cell(index(row, col)).empty()) {
+			if (!cell(index(row, col)).empty()
+				  || colinfo_[col + 1].lines_) {
 				lastcol = col + 1;
 				emptyline = false;
 			}