Created attachment 154836 [details]
Example DOC compared in MSO and LO
Triple table border from DOC/DOCX is not recognized by Writer.
Can be seen if attachment 126157 [details] DOC from bug 100844 opens in Writer, as shown in attached screenshot.
Build ID: 52cda5c5ae426761ccbdb4f20419098eab195303
CPU threads: 4; OS: Linux 4.15; UI render: default; VCL: gtk3;
Locale: ca-ES (ca_ES.UTF-8); UI-Language: en-US