65 Use of indefinite article where StE favours zero

A - feature is pervasive or obligatory0
B - feature is neither pervasive nor extremely rare7
C - feature exists, but is extremely rare5
D - attested absence of feature51
X - feature is not applicable (given the structural make-up of the variety/P/C)6
? - no information on feature is available7

Feature area:
Noun phrase
Typical example:
about a three fields
Example source:
Kortmann/Szmrecsanyi (2004)
Variety World Region Type Value
Id Primary text Variety Variety Type