Two examples, one with break working and one not
chart-label-break.ods (application/vnd.oasis.opendocument.spreadsheet), 42.71 KB, created by Luke on 2015-11-29 07:33:55 UTC
(hide)
 
Creator: Luke
Created: 2015-11-29 07:33:55 UTC
Size: 42.71 KB

Attachment is not viewable in your browser because its MIME type (application/vnd.oasis.opendocument.spreadsheet) is not one that your browser is able to display.

Download the attachment.

Actions: View
Attachments on bug 96124: 120862