8fa0fea02d
- Usually the user only wants to tweak `polycoef[1]`, after this change `"0 2"` is equivalent to `"0 2 0 0 0"`. - Also improve documentation of this attribute. - Tighten margins of documentation display equations. PiperOrigin-RevId: 639720742 Change-Id: Ibafa0e093cebe1c1c75bf2e47ff3bd2ad7619414