21b604e0db
https://github.com/odoo/enterprise/commit/f39862263c7e2332468a69736589a35d66d87b16
introduced two new subformulas for aggregations, but they were still
missing in the doc.
closes odoo/documentation#4562
X-original-commit: de095cc4ad
Signed-off-by: Castillo Jonathan (jcs) <jcs@odoo.com>