[This is preliminary documentation and is subject to change.]
Returns a new Section encompassing both this and a given section.
Parameters- section (Section)
- The section to encompass.
Return ValueThe new encompassing Section.
Remarks The resulting section will encompass the area from the lower of
given and current section's start points to the higher of the given and
current sections end points. If this section is empty, returns the given
section, if the given section is empty, returns this section.