Merge pull request #4 from hayashidac/Issue3

Issue3 handle line feed code
Corresponding to the new line in the cell.

Author: nuitsjp

CopyFromExcelToMarkdownAddIn/CopyFromExcelToMarkdownAddIn/ThisAddIn.cs

@@ -75,7 +75,7 @@ private void CopyToMarkdown(CommandBarButton ctrl, ref bool cancelDefault)
                         var cell = (Range)range.Cells[1, x];
 
                         resultBuffer.Append("|");
-                        resultBuffer.Append(cell.Text == null ? string.Empty : cell.Text);
+                        resultBuffer.Append(cell.Text == null ? string.Empty : cell.Text.Replace("\n", "<br>"));
                         switch ((int)cell.HorizontalAlignment)
                         {
                             case AlignmentCenter:
@@ -104,7 +104,7 @@ private void CopyToMarkdown(CommandBarButton ctrl, ref bool cancelDefault)
                             var cell = (Range)range.Cells[y, x];
 
                             resultBuffer.Append("|");
-                            resultBuffer.Append(cell.Text == null ? string.Empty : cell.Text);
+                            resultBuffer.Append(cell.Text == null ? string.Empty : cell.Text.Replace("\n","<br>"));
                         }
                         resultBuffer.Append("|");
                         resultBuffer.Append(Environment.NewLine);