/usr/share/mecab/dic/juman/feature.def is in mecab-jumandic-utf8 7.0-20130310-4.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 | # POS Unigram
UNIGRAM U1:%F[0]
UNIGRAM U2:%F[0],%F?[1]
# Word-POS
UNIGRAM W0:%F[4]
UNIGRAM W1:%F[0]/%F[4]
UNIGRAM W2:%F[0],%F?[1]/%F[4]
# Word-Read-POS
UNIGRAM R0:%F[5]
UNIGRAM R1:%F[4],%F[5]
UNIGRAM R2:%F[0]/%F[4],%F[5]
UNIGRAM R3:%F[0],%F?[1]/%F[4],%F[5]
# char type
UNIGRAM T0:%t
UNIGRAM T1:%F[0]/%t
UNIGRAM T2:%F[0],%F?[1]/%t
# 品詞
BIGRAM B00:%L[0]/%R[0]
BIGRAM B01:%L[0],%L?[1]/%R[0]
BIGRAM B02:%L[0]/%R[0],%R?[1]
BIGRAM B03:%L[0]/%R[0],%R[1],%R?[2]
BIGRAM B04:%L[0],%L?[1]/%R[0],%R[1],%R?[2]
# 活用
BIGRAM B20:%L[0],%L?[2]/%R[0]
BIGRAM B21:%L[0],%L?[3]/%R[0]
BIGRAM B22:%L[0],%L?[2],%L?[3]/%R[0]
BIGRAM B23:%L[0]/%R[0],%R?[2]
BIGRAM B24:%L[0]/%R[0],%R?[3]
BIGRAM B25:%L[0]/%R[0],%R?[2],%R?[3]
BIGRAM B26:%L[0],%L?[2]/%R[0],%R?[2]
BIGRAM B27:%L[0],%L?[2]/%R[0],%R?[3]
BIGRAM B28:%L[0],%L?[3]/%R[0],%R?[2]
BIGRAM B29:%L[0],%L?[3]/%R[0],%R?[3]
BIGRAM B30:%L[0],%L?[2],%L?[3]/%R[0],%R?[2]
BIGRAM B31:%L[0],%L?[2],%L?[3]/%R[0],%R?[3]
BIGRAM B32:%L[0],%L?[2]/%R[0],%R?[2],%R?[3]
BIGRAM B33:%L[0],%L?[3]/%R[0],%R?[2],%R?[3]
BIGRAM B34:%L[0],%L?[2],%L?[3]/%R[0],%R?[2],%R?[3]
# leaf
BIGRAM B40:%L[0],%L?[1],%L?[2]/%R[0],%R?[1]
BIGRAM B41:%L[0],%L?[1],%L?[3]/%R[0],%R?[1]
BIGRAM B42:%L[0],%L?[1],%L?[2],%L?[3]/%R[0],%R?[1]
BIGRAM B43:%L[0],%L?[1]/%R[0],%R?[1],%R?[2]
BIGRAM B44:%L[0],%L?[1]/%R[0],%R?[1],%R?[3]
BIGRAM B45:%L[0],%L?[1]/%R[0],%R?[1],%R?[2],%R?[3]
BIGRAM B46:%L[0],%L?[1],%L?[2]/%R[0],%R?[1],%R?[2]
BIGRAM B47:%L[0],%L?[1],%L?[2]/%R[0],%R?[1],%R?[3]
BIGRAM B48:%L[0],%L?[1],%L?[3]/%R[0],%R?[1],%R?[2]
BIGRAM B49:%L[0],%L?[1],%L?[3]/%R[0],%R?[1],%R?[3]
BIGRAM B50:%L[0],%L?[1],%L?[2],%L?[3]/%R[0],%R?[1],%R?[2]
BIGRAM B51:%L[0],%L?[1],%L?[2],%L?[3]/%R[0],%R?[1],%R?[3]
BIGRAM B52:%L[0],%L?[1],%L?[2]/%R[0],%R?[1],%R?[2],%R?[3]
BIGRAM B53:%L[0],%L?[1],%L?[3]/%R[0],%R?[1],%R?[2],%R?[3]
BIGRAM B54:%L[0],%L?[1],%L?[2],%L?[3]/%R[0],%R?[1],%R?[2],%R?[3]
# 語彙化
BIGRAM B61:%L[0],%L[1],%L[2],%L[3],%L?[4]/%R[0],%R[1]
BIGRAM B61:%L[0],%L[1],%L[2],%L[3],%L?[4]/%R[0],%R[1],%R[2]
BIGRAM B62:%L[0],%L[1],%L[2],%L[3],%L?[4]/%R[0],%R[1],%R[3]
BIGRAM B63:%L[0],%L[1],%L[2],%L[3],%L?[4]/%R[0],%R[1],%R[2],%R[3]
BIGRAM B64:%L[0],%L[1]/%R[0],%R[1],%R[2],%R[3],%R?[4]
BIGRAM B65:%L[0],%L[1],%L[2]/%R[0],%R[1],%R[2],%R[3],%R?[4]
BIGRAM B66:%L[0],%L[1],%L[3]/%R[0],%R[1],%R[2],%R[3],%R?[4]
BIGRAM B67:%L[0],%L[1],%L[2],%L[3]/%R[0],%R[1],%R[2],%R[3],%R?[4]
BIGRAM B70:%L?[4]/%R?[4]
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