Devhelp index trims function names for python docs making them unsearchable

[Alek Kowalczyk]

The devhelp index for Python 3.8 docs (Ubuntu 20.04) trims method and attribute names from the index items, leaving only the "(<...> method|attribute)" part.
Effectively that makes most of the items there unsearchable through devehelp interface.

For instance, the index shows:
(str method)
(str static method)
(struct.Struct attribute)

instead of expected:
capitalize (str method)
maketrans (str static method)
size (struct.Struct attribute)

Attached a screenshot.