original question: Which html layout engine is used by the web browser written by [OpenDocument]?
answer: gecko
answer type: HTML Layout Engine.
auxiliary information: The Open Document Format for Office Applications, also known as OpenDocument, is an XML-based file format for spreadsheets, charts, presentations and word processing documents. It was developed with the aim of providing an open, XML-based file format specification for office applications. The standard was developed by a technical committee in the Organization for the Advancement of Structured Information Standards consortium. It was based on the Sun Microsystems specification for OpenOffice.org XML, the default format for OpenOffice.org, which had been specifically intended "to provide an open standard for office documents." In addition to being an OASIS standard, it was published as an ISO/IEC international standard ISO/IEC 26300 ‚Äî Open Document Format for Office Applications.
When a web browser is written by [OpenDocument], Which html layout is used?