Boolean feature. Is this an abbreviation? Note that the abbreviated word(s) typically belongs to a part of speech other than u-pos/X.
Note: This feature is new in UD version 2. It was used as a language-specific addition in several treebanks in version 1.
Yes: it is abbreviation
Examples: [en] etc., J., UK
Abbr in other languages: [ar] [cs] [da] [et] [fi] [fo] [la] [pl] [ro] [u]