tests/yaml/attribute.yaml

# attribute name can be a digit between 0 and 7, in which case it can
# be used in a match expression (but not in a multipass expression)
display: |
  display a 1
  display b 12
  display A 17
table: |
  sign a 1
  sign b 12
  attribute 5 b
  match %5 a - 17
flags: {testmode: forward}
tests:
  - - aabaa
    - aabAa

# attribute name can be a word, in which case it can be used in a
# multipass expression (but not in a match expression)
# there are a number of reserved names: numericnocontchars,
# midendnumericmodechars, numericmodechars, capsmodechars,
# emphmodechars, seqdelimiter, seqbeforechars, seqafterchars,
# noletsign, noletsignbefore, noletsignafter
table: |
  sign a 1
  sign b 12
  attribute foo b
  noback context _%foo["a"] @17
flags: {testmode: forward}
tests:
  - - aabaa
    - aabAa

# attribute name can be a predefined attribute, i.e. space, letter,
# digit, punctuation, uppercase, lowercase, math, sign or litdigit
# (and it will set that attribute, not a custom one)
table: |
  sign a 1
  sign b 12
  attribute letter b
  noback context _$l["a"] @17
table: |
  sign a 1
  sign b 12
  attribute letter b
  noback context _%letter["a"] @17
table: |
  sign a 1
  sign b 12
  attribute letter b
  match %a a - 17
flags: {testmode: forward}
tests:
  - - aabaa
    - aabAa

# if the character is associated with a single-cell dot pattern, the
# attribute is also set on the dot pattern (only relevant for
# multipass rules)
table: |
  sign a 1
  sign b 12
  attribute foo b
  noback pass2 _%foo[@1] @17
flags: {testmode: forward}
tests:
  - - aabaa
    - aabAa

# class is deprecated but can still be used as an alias for attribute,
# but the name must be a word, and class and attribute may not be both
# present in the same table
table: |
  sign a 1
  sign b 12
  class foo b
  noback context _%foo["a"] @17
flags: {testmode: forward}
tests:
  - - aabaa
    - aabAa