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Name

regina — An entire Regina data file

Synopsis

Content Model 
regina ::= (container|textdata|script|attachment|
            tri|link|spatiallink|snappeadata|
            angles|surfaces|hypersurfaces|
            filtercomb|filterprop|filtertrivial|
            anon|anonref)
Attributes
NameType
engineCDATA (required)

Added in Regina 7.0

Description

A regina element is the top-level element for a third-generation Regina data file. Its single child element represents the root of the packet tree stored in this data file.

This third-generation file format is the current format, and was first introduced with Regina 7.0.

Parents

Being the top-level element of a data file, regina has no parents.

Children

The following elements may occur in regina: angles, anon, anonref, attachment, container, filtercomb, filterprop, filtertrivial, hypersurfaces, link, script, snappeadata, spatiallink, surfaces, textdata, tri. This list includes all of Regina's packet types.

Attributes

engine

The full version of the Regina calculation engine that wrote this data file.

If a newer version of Regina exports to an older Regina file format, then the engine attribute will reflect the newer version of Regina that actually wrote the file.

If this file was created by hand or by an external program, the engine attribute should reflect this (it might contain the name and version of the external program, for instance).

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