---

# number-sets are a little messy in that the base was converted to a number-set, so we have to match that (simple) case last
- name: pos-neg-number-sets
  tag: number-sets
  match: "*[2][text()='+' or text()='-']"
  replace:
  #      if: "$Verbosity!='Terse'"
  #      then:
  #      - T: "the" 
  - bookmark: "*[2]/@id"
    #   - test:
  - test:
    - if: "*[2][text()='+']"
      then: [{T: "dương"}]
      else: [{T: "âm"}]
  - bookmark: "*[1]/@id"
  - test:
    - if: "*[1][text()='ℂ']"
      then: [{T: số phức}]
    - else_if: "*[1][text()='ℕ']"
      then: [{T: số tự nhiên}]
    - else_if: "*[1][text()='ℚ']"
      then: [{T: số hữu tỷ}]
    - else_if: "*[1][text()='ℝ']"
      then: [{T: số thực}]
    - else_if: "*[1][text()='ℤ']"
      then: [{T: số nguyên}]
      else: [{x: "*[1][text()]"}] # shouldn't happen

- name: dimension-number-sets

  # should be single digit integer at this point (e.g, R^3)
  tag: number-sets
  match: "count(*)=2"
  replace:
  - bookmark: "*[1]/@id"
  - test:
    - if: "*[1][text()='ℂ']"
      then: [{T: "C"}]
    - else_if: "*[1][text()='ℕ']"
      then: [{T: "N"}]
    - else_if: "*[1][text()='ℚ']"
      then: [{T: "Q"}]
    - else_if: "*[1][text()='ℝ']"
      then: [{T: "R"}]
    - else_if: "*[1][text()='ℤ']"
      then: [{T: "Z"}]
      else: [{x: "*[1][text()]"}] # shouldn't happen
  - bookmark: "*[2]/@id"
  - x: "*[2]"

- name: simple-number-sets
  tag: number-sets
  match: "count(*)=0"
  replace:
  - bookmark: "@id"
  - test:
    - if: "text()='ℂ'"
      then: [{T: số phức}]
    - else_if: "text()='ℕ'"
      then: [{T: số tự nhiên}]
    - else_if: "text()='ℚ'"
      then: [{T: số hữu tỷ}]
    - else_if: "text()='ℝ'"
      then: [{T: số thực}]
    - else_if: "text()='ℤ'"
      then: [{T: số nguyên}]
      else: [{x: text()}] # shouldn't happen

- name: real-part
  tag: real-part
  match: "."
  replace:
  - bookmark: "@id"
  - T: phần thực

- name: imaginary-part
  tag: imaginary-part
  match: "."
  replace:
  - bookmark: "@id"
  - T: phần giả lập

# rules on scripted vertical bars ('evaluated at')
- name: evaluated-at-2
  tag: evaluate
  match: "count(*)=2"
  replace:
  - x: "*[1]"
  - pause: auto
  - T: được tính tại
  - pause: auto
  - x: "*[2]"

- name: evaluated-at-3
  tag: evaluate
  match: "count(*)=3"
  replace:
  - x: "*[1]"
  - pause: auto
  - T: được tính tại
  - pause: auto
  - x: "*[3]"
  - T: "trừ cùng biểu thức được tính tại"
  - x: "*[2]"

- name: binomial
  tag: binomial
  match: "."
  replace:
  - x: "*[1]"
  - T: chọn
  - x: "*[2]"

- name: permutation
  tag: permutation-symbol
  match: "."
  replace:
  - x: "*[2]"
  - T: hoán vị của
  - x: "*[1]"

- name: intervals
  tag: [open-interval, open-closed-interval, closed-interval, closed-open-interval]
  match: "."
  replace:
  #      if: "$Verbosity!='Terse'"
  #      then:
  #      - T: "the" 
  - test:
    - if: "name(.)='open-interval'"
      then: [{T: "mở"}]
    - else_if: "name(.)='open-closed-interval'"
      then: [{T: "đóng mở"}]
    - else_if: "name(.)='closed-interval'"
      then: [{T: "được đóng"}]
      else: [{T: "mở đóng"}]  # closed-open-interval
  - test:
      if: "$Verbosity!='Terse'"
      then:
      - T: "từ"
      - x: "*[2]"
      - T: "đến"
      - x: "*[3]"
      else:
      - x: "*[2]"
      - T: "phẩy"
      - x: "*[3]"

- name: default-point
  tag: point
  match: "."
  replace:
  #- test:
  #    if: "$Verbosity!='Terse'"
  #    then:
  #    - T: "the"
  - T: "điểm"
  - x: "*[1]"
  - T: "phẩy"
  - x: "*[2]"

- name: absolute-value
  tag: absolute-value
  match: "."
  replace:
  - test:
      if: "$Verbosity='Terse'"
      then: [{T: "trị tuyệt đối"}]
      else: [{T: "trị tuyệt đối của"}]
  - x: "*[1]"
  - test:
      if: "IsNode(*[1], 'leaf') or $Impairment != 'Blindness'"
      then: [{pause: short}]
      else: [{pause: short}, {T: hết trị tuyệt đối}, {pause: short}]

- name: negative
  tag: negative
  match: "."
  replace:
  - bookmark: "./@id"
  - T: "âm"
  - x: "*[1]"

- name: positive
  tag: positive
  match: "."
  replace:
  - bookmark: "./@id"
  - T: "dương"
  - x: "*[1]"

- name: subscript
  tag: sub
  match: "."
  replace:
  - x: "*[1]"
  - x: "*[2]"
  - T: " "

- name: bigop-both
  tag: large-op
  match: "count(*) = 3"
  replace:
  # - test:
  #     if: "$Verbosity!='Terse'"
  #     then: [{T: the}]
  - x: "*[1]"
    #   - test: 
  - T: từ
  - x: "*[2]"
  - T: đến
  - x: "*[3]"
  - test:
      if: "following-sibling::*"
      then: [{T: của}]

- name: bigop-under
  tag: large-op
  match: "."
  replace:
  # - test:
  #     if: "$Verbosity!='Terse'"
  #     then: [{T: the}]
  - x: "*[1]"
  - T: trên
  - x: "*[2]"
  - test:
      if: "following-sibling::*"
      then: [{T: của}]

- name: largeop
  tag: mrow
  match: "count(*)=2 and IsInDefinition(*[1], 'LargeOperators')"
  replace:
  # - test:
  #     if: "$Verbosity!='Terse'"
  #     then: [{T: the}]
  - x: "*[1]"
  - T: của
  - x: "*[2]"

- name: limit
  tag: limit
  match: "."
  replace:
  - test:
      if: "$Verbosity!='Terse'"
      then: [t: ""]           # phrase('the' limit as x approaches 1)
  - test:
    - if: "*[1][.='lim']"
      then: [T: "lim"]
    - else_if: "*[1][.='limsup']"
      then_test:
          if: "$Verbosity='Terse'"
          then: [t: "lim sup"]
          else: [t: "limit superior"]
    - else_if: "*[1][.='liminf']"
      then_test:
          if: "$Verbosity='Terse'"
          then: [t: "lim inf"]
          else: [t: "limit inferior"]
    - else: [x: "*[1]"]
  - t: ""                      # phrase(the limit 'as' x approaches 1)
  - x: "*[2]"

- name: vector
  tag: modified-variable
  match: "*[2][text()='→']"
  replace:
  - T: "véc tơ"
  - x: "*[1]"

- name: default

  tag: modified-variable
  match: "."
  replace:
  - x: "*[1]"
  - x: "*[2]"
  - pause: short

- name: default
  # handles single, double, etc., prime
  tag: [skip-super, say-super]
  match: "count(*)=2"
  replace:
  - x: "*[1]"
  - test:
      if: "name(.)='say-super'"
      then_test:
        if: "$Verbosity='Terse'"
        then: {T: chỉ số trên}
        else: {T: chỉ số trên}
  - x: "*[2]"
  - pause: short

- name: msubsup-skip-super
  # handles single, double, etc., prime
  tag: [skip-super, say-super]
  match: "count(*)=3"
  replace:
  - x: "*[1]"
  - test:
      if: "$Verbosity='Terse'"
      then: {T: "chỉ số dưới"}
      else: {T: "chỉ số dưới"}
  - x: "*[2]"
  - test:
      if: "not(IsNode(*[2],'leaf'))"
      then:
      - test:
          if: "$Verbosity='Terse'"
          then: {T: "hết chỉ số dưới"}        # (en: "end sub")
          else: {T: "hết chỉ số dưới"}              # (en: "end subscript")
      - pause: short
      else_test:
          if: "*[2][self::m:mi]"   # need a pause in "x sub k prime" so the prime is not associated with the 'k'
          then: [pause: short]
  - test:
      if: "name(.)='say-super'"
      then_test:
        if: "$Verbosity='Terse'"
        then: {T: "chỉ số trên"}
        else: {T: "chỉ số trên"}
  - x: "*[3]"
  - pause: short

- name: sin
  tag: mi
  match: "text()='sin'"
  replace:
  - bookmark: "@id"
  - T: "sin"
- name: cos
  tag: mi
  match: "text()='cos'"
  replace:
  - bookmark: "@id"
  - test:
      if: "$Verbosity='Terse'"
      then: {T: cô sin}
      else: {T: cô sin}
- name: tan
  tag: mi
  match: "text()='tan' or text()='tg'"
  replace:
  - bookmark: "@id"
  - test:
      if: "$Verbosity='Terse'"
      then: {T: tang}
      else: {T: tang}
- name: sec
  tag: mi
  match: "text()='sec'"
  replace:
  - bookmark: "@id"
  - test:
      if: "$Verbosity='Terse'"
      then: {T: sin đảo}
      else: {T: sin đảo}
- name: csc
  tag: mi
  match: "text()='csc'"
  replace:
  - bookmark: "@id"
  - test:
      if: "$Verbosity='Terse'"
      then: {T: cô sin đảo}
      else: {T: cô sin đảo}
- name: cot
  tag: mi
  match: "text()='cot'"
  replace:
  - bookmark: "@id"
  - test:
      if: "$Verbosity='Terse'"
      then: {T: cô tang}
      else: {T: cô tang}

- name: sinh
  tag: mi
  match: "text()='sinh'"
  replace:
  - bookmark: "@id"
  - test:
      if: "$Verbosity='Terse'"
      then: {T: sin híp bơ bôn}
      else: {T: sin híp bơ bôn}
- name: cosh
  tag: mi
  match: "text()='cosh'"
  replace:
  - bookmark: "@id"
  - test:
      if: "$Verbosity='Terse'"
      then: {T: cô sin híp bơ bôn}
      else: {T: cô sin híp bơ bôn}
- name: tanh
  tag: mi
  match: "text()='tanh'"
  replace:
  - bookmark: "@id"
  - test:
      if: "$Verbosity='Terse'"
      then: {T: tang híp bơ bôn}
      else: {T: tang híp bơ bôn}
- name: sech
  tag: mi
  match: "text()='sech'"
  replace:
  - bookmark: "@id"
  - test:
      if: "$Verbosity='Terse'"
      then: {T: xê can híp bơ bôn}
      else: {T: xê can híp bơ bôn}
- name: csch
  tag: mi
  match: "text()='csch'"
  replace:
  - bookmark: "@id"
  - test:
      if: "$Verbosity='Terse'"
      then: {T: cô xê can híp bơ bôn}
      else: {T: cô xê can híp bơ bôn}
- name: coth
  tag: mi
  match: "text()='coth'"
  replace:
  - bookmark: "@id"
  - test:
      if: "$Verbosity='Terse'"
      then: {T: cô tang híp bơ bôn}
      else: {T: cô tang híp bơ bôn}
- name: arcsin
  tag: mi
  match: "text()='arcsin'"
  replace:
  - bookmark: "@id"
  - T: "ạt sin"
- name: arccos
  tag: mi
  match: "text()='arccos'"
  replace:
  - bookmark: "@id"
  - T: "ạt cô sin"
- name: arctan
  tag: mi
  match: "text()='arctan'"
  replace:
  - bookmark: "@id"
  - T: "ạt tang"
- name: arccot
  tag: mi
  match: "text()='arccot'"
  replace:
  - bookmark: "@id"
  - T: "ạt cô tang"

- # handle both log and ln
  name: log
  tag: mrow
  variables: [{log_is_simple: "IsNode(*[3],'simple')"}]
  match:
  - "count(*)=3 and"
  - "*[1][self::m:mi][text()='log' or text()='ln'] and"
  - "*[2][self::m:mo][text()='⁡']"
  replace:
  - bookmark: "*[1]/@id"
  - test:
      if: "$log_is_simple"
      then_test:
      - if: "*[1][text()='log']"
        then: [{T: lóc}]
      - else_if: "$Verbosity='Terse'"
        then: [{T: lóc nơ be}]
        else: [{T: lóc nơ be}]
      else:
      - test:
          if: "$Verbosity!='Terse' and not(log_is_simple)"
          then: {T: " "}
      - test:
        - if: "*[1][text()='log']"
          then: [{T: lóc}]
        - else_if: "$Verbosity='Terse'"
          then: [{T: lóc nơ be}]
          else: [{T: lóc nơ be}]
      - T: của
      - pause: short
  - x: "*[3]"

- name: log-base
  tag: log-base
  match: "."
  replace:
  - bookmark: "@id"
  - T: lóc cơ số
    #   - test: 
    #      if: "$Verbosity!='Terse'"
    #      then: {T: the}
  - x: "*[1]"

- name: log-base-power
  tag: log-base-power
  match: "not(@data-intent-property)"
  replace:
  - bookmark: "@id"
  - T: "lóc"   # log
  - bookmark: "*[1]/@id"
  - test:
      - if: "*[2][text()=2]"
        then: [T: "bình phương"]     
      - else_if: "*[2][text()=3]"
        then: [T: "lập phương"]
        else:
        - T: mũ
        - x: "*[2]"
  - T: "cơ số"   # base
  - x: "*[1]"   # supscript
  - pause: short


- #   that eliminates the need for the if: else_if: ...
  name: multi-line
  # IDEA:  set a variable with the word to say for the row (e.g., RowLabel = Row/Case/Line/...)
  tag: [piecewise, system-of-equations, lines]
  match: "."
  variables: [IsColumnSilent: true()]
  replace:
  - x: "count(*)"
  - test:
    - if: "self::m:piecewise"
      then: [{T: "trường hợp"}]
    - else_if: "self::m:system-of-equations"
      then: [{T: "biểu thức"}]
      else: [{T: "dòng"}]
    #- test:
    #- if: "count(*) > 1"
    #then: [ct: "s"]    # plural
  - pause: short
  - x: "*"

- name: default-multiline
  tag: [mtr, mlabeledtr]
  match: "parent::m:piecewise or parent::m:system-of-equations or parent::m:lines"
  replace:
  - test:
    - if: "parent::m:piecewise"
      then: [{T: "trường hợp"}]
    - else_if: "parent::m:system-of-equations"
      then: [{T: "biểu thức"}]
      else: [{T: "dòng"}]
  - x: "count(preceding-sibling::*)+1"
  - test:
      if: .[self::m:mlabeledtr]
      then:
      - T: với
      - x: "*[1]/*"
  - pause: medium
  - test:
      if: .[self::m:mlabeledtr]
      then: [{x: "*[position()>1]"}]
      else: {x: "*"}

- name: default-multiline
  tag: mtd
  match: "parent::*[parent::m:piecewise or parent::m:system-of-equations or parent::m:lines]"
  replace:
  - x: "*"
  - test:
    # short pause after each element; medium pause if last element in a row; long pause for last element in matrix
    - if: count(following-sibling::*) > 0
      then: {pause: short}
    - else_if: count(../following-sibling::*) > 0
      then: {pause: medium}
      else: {pause: long}

# Matrix/Determinant rules
# matrix and determinant are the same other than "matrix"/"determinant" based on the bracketing chars
# the pausing logic is pushed down to the <mtd>
# the rules either speak the <mtr>s (to get "row n") or the <mtd>s. "column n" spoken if $IsColumnSilent is false
- name: 1x1-matrix

  tag: [matrix, determinant]
  variables: [{IsColumnSilent: true()}]
  match: "count(*)=1 and *[self::m:mtr][count(*) = 1]"
  replace:
  - test:
      if: "self::m:determinant" # just need to check the first bracket since we know it must be (, [, or |
      then: {T: định thức}
      else: {T: ma trận}
    #   - OT: the
  - T: "1 1"
  - T: có đầu vào là
  - x: "*[1]/*"

# simpler reading methods for smaller matrices if the entries are simple
- name: 2-or-3x1-matrix
  tag: matrix
  variables: [{IsColumnSilent: true()}]
  match:
  - "$ClearSpeak_Matrix != 'SpeakColNum' and " # "simple" isn't used for this preference
  - "*[self::m:mtr][count(*) = 1] and " # one column
  - count(*)<=3 and # at least two rows
  - IsNode(*/*/*,'simple') # IsNode() returns true if all the nodes are simple
  replace:
  - test:
      if: "$ClearSpeak_Matrix = 'Vector' or $ClearSpeak_Matrix = 'EndVector'"
      then: {T: véc tơ}
      else: {T: ma trận}
    #   - T: the
  - x: count(*)
  - T: 1 cột
  - pause: long
  - x: "*/*"
  - test:
      if: "$ClearSpeak_Matrix = 'EndMatrix' or $ClearSpeak_Matrix = 'EndVector'"
      then:
      - T: "kết thúc"
      - test:
          if: $ClearSpeak_Matrix = 'EndVector'
          then: {T: véc tơ}
          else: {T: ma trận}

- name: default-column-matrix
  tag: matrix
  variables: [{IsColumnSilent: true()}]
  match: "*[self::m:mtr][count(*) = 1]"
  replace:
  #- T: the
  - x: "count(*)"
  - T: nhân 1 cột
  - test:
      if: "$ClearSpeak_Matrix = 'Vector' or $ClearSpeak_Matrix = 'EndVector'"
      then: {T: véc tơ}
      else: {T: ma trận}
  - pause: long
  - x: "*" # select the rows (mtr)
  - test:
      if: "$ClearSpeak_Matrix = 'EndMatrix' or $ClearSpeak_Matrix = 'EndVector'"
      then: [{T: "hết ma trận"}]

- name: 1x2-or-3-matrix
  tag: matrix
  variables: [{IsColumnSilent: "$SpeechStyle = 'ClearSpeak' and $ClearSpeak_Matrix != 'SpeakColNum'"}]
  match:
  - "$ClearSpeak_Matrix != 'SpeakColNum' and " # "simple" isn't used for this preference
  - count(*)=1  and # one row
  - count(*[1]/*)<=3 and # at least two cols
  - IsNode(*/*/*,'simple') # IsNode() returns true if all the nodes are simple
  replace:
  - T: 1 nhân
  - x: count(*/*)
  - T: "dòng"
  - test:
      if: "$ClearSpeak_Matrix = 'Vector' or $ClearSpeak_Matrix = 'EndVector'"
      then: {T: véc tơ}
      else: {T: ma trận}
  - pause: long
  - x: "*/*"
  - test:
      if: "$ClearSpeak_Matrix = 'EndMatrix' or $ClearSpeak_Matrix = 'EndVector'"
      then:
      - T: "hết"
      - test:
          if: $ClearSpeak_Matrix = 'EndMatrix'
          then: {T: ma trận}
          else: {T: véc tơ}

- name: default-row-matrix
  tag: matrix
  variables: [{IsColumnSilent: "$SpeechStyle = 'ClearSpeak' and $ClearSpeak_Matrix = 'SilentColNum'"}]
  match: "count(*)=1" # one row
  replace:
  - test:
      if: "$ClearSpeak_Matrix = 'Vector' or $ClearSpeak_Matrix = 'EndVector'"
      then: {T: véc tơ}
      else: {T: ma trận}
  - T: một nhân
  - x: "count(*/*)"
  - T: "dòng"
  - pause: long
  - pause: medium
  - x: "*/*" # select the cols (mtd)
  - test:
      if: "$ClearSpeak_Matrix = 'EndMatrix' or $ClearSpeak_Matrix = 'EndVector'"
      then:
      - T: "hết"
      - test:
          if: $ClearSpeak_Matrix = 'EndMatrix'
          then: {T: ma trận}
          else: {T: véc tơ}

- name: simple-small-matrix
  tag: [matrix, determinant]
  match:
  - "$ClearSpeak_Matrix != 'SpeakColNum' and " # "simple" isn't used for this preference
  - (count(*)<=3 and count(*[1]/*)<=3) and # no bigger than a 3x3 matrix
  - IsNode(*/*/*,'simple') # IsNode() returns true if all the nodes are simple
  variables: [{IsColumnSilent: "$SpeechStyle = 'ClearSpeak' and $ClearSpeak_Matrix != 'SpeakColNum'"}]
  replace:
  #- T: the
  - test:
      if: "self::m:determinant"
      then: {T: định thức}
      else: {T: ma trận}
  - x: count(*)
  - T: nhân
  - x: count(*[self::m:mtr][1]/*)
  - pause: long
  - x: "*"
  - test:
      if: "$ClearSpeak_Matrix = 'EndMatrix' or $ClearSpeak_Matrix = 'EndVector'"
      then:
      - T: hết
      - test:
          if: "self::m:determinant"
          then: {T: định thức}
          else: {T: ma trận}

- name: default-matrix
  tag: [matrix, determinant]
  variables: [{IsColumnSilent: "$SpeechStyle = 'ClearSpeak' and $ClearSpeak_Matrix = 'SilentColNum'"}]
  match: "."
  replace:
  #- T: the
  - test:
      if: "self::m:determinant"
      then: {T: định thức}
      else: {T: ma trận}
  - x: "count(*)"
  - T: nhân
  - x: "count(*[self::m:mtr][1]/*)"
  - pause: long
  - x: "*"
  - test:
      if: "$ClearSpeak_Matrix = 'EndMatrix' or $ClearSpeak_Matrix = 'EndVector'"
      then:
      - T: hết
      - test:
          if: "self::m:determinant"
          then: {T: định thức}
          else: {T: ma trận}

- name: chemistry-msub

  tag: [chemical-formula]
  match: "*[1][text()='msub']"
  replace:
  - x: "*[2]"
  - x: "*[3]"
  - test:
      if: "$Verbosity='Verbose'"
      then: [{T: "dưới"}]
      else_test:
        if: "$Verbosity='Medium'"
        then: [{T: ""}]
  #- x: "*[3]"

- name: chemistry-msup
  tag: [chemical-formula]
  match: "*[1][text()='msup']"
  replace:
  - x: "*[2]"
  - x: "*[3]"
  - test:
      if: "$Verbosity='Verbose'"
      then: [{T: "trên"}]
      else_test:
        if: "$Verbosity='Medium'"
        then: [{T: ""}]
  #- x: "*[3]"
  - test:
      if: "following-sibling::*[1][text()='+' or text()='-']" # a little lazy -- assumes chemistry superscripts end with + or -
      then: [{pause: medium}]

- # Instead, we just deal with up to two prescripts and up to four postscripts (repeating blocks of similar code [UGLY!])
  # This hopefully covers all reasonable cases...
  name: chemistry-scripts
  # There currently is no way to do sub/super for n-ary number of args
  tag: [chemical-formula, chemical-nuclide]
  variables:
  # computing the number of postscripts is messy because of <mprescripts> being optionally present -- we use "mod" to get the count right
  - Prescripts: "m:mprescripts/following-sibling::*"
  - NumChildren: "count(*)" # need to stash this since the count is wrong inside '*[...]' below
  - Postscripts: "*[position()>1 and position() < (last() + ($NumChildren mod 2) -count($Prescripts))]"
  match: . # should only be msubsup or mmultiscripts at this point
  replace:
  - test:
      if: "$Prescripts" # we have at least one pre sub/super 
      then:
      # nuclide: speak the superscript first
      - test:
          if: "not($Prescripts[2][self::m:none])"
          then:
          - x: "$Prescripts[2]"
          - test:
              if: "$Verbosity='Verbose'"
              then: [{T: "trên"}]
              else_test:
                if: "$Verbosity='Medium'"
                then: [{T: ""}]
          #- x: "$Prescripts[2]"
          - pause: "short"
      - test:
          if: "not($Prescripts[1][self::m:none])"
          then:
          - x: "$Prescripts[1]"
          - test:
              if: "$Verbosity='Verbose'"
              then: [{T: "dưới"}]
              else_test:
                if: "$Verbosity='Medium'"
                then: [{T: ""}]
          #- x: "$Prescripts[1]"
          - pause: "short"
      - test:
          if: "count($Prescripts) > 2" # can this happen for chemistry??? we allow for one *extra* pre sub/super pair
          then:
          - test:
              if: "not($Prescripts[4][self::m:none])"
              then:
              - x: "$Prescripts[4]"
              - test:
                  if: "$Verbosity='Verbose'"
                  then: [{T: "trên"}]
                  else_test:
                    if: "$Verbosity='Medium'"
                    then: [{T: ""}]
              #- x: "$Prescripts[4]"
              - pause: "short"
          - test:
              if: "not($Prescripts[3][self::m:none])"
              then:
              - x: "$Prescripts[3]"
              - test:
                  if: "$Verbosity='Verbose'"
                  then: [{T: "dưới"}]
                  else_test:
                    if: "$Verbosity='Medium'"
                    then: [{T: ""}]
              #- x: "$Prescripts[3]"
              - pause: "short"
  - x: "*[1]" # base
  - test:
      if: "$Postscripts"
      then:
      - test:
          if: "not($Postscripts[1][self::m:none])"
          then:
          - x: "$Postscripts[1]"
          - test:
              if: "$Verbosity='Verbose' and not(self::m:chemical-formula)"
              then: [{T: "dưới"}]
              else_test:
                if: "$Verbosity='Medium'"
                then: [{T: ""}]
          #- x: "$Postscripts[1]"
          - pause: "short"
      - test:
          if: "not($Postscripts[2][self::m:none])"
          then:
          - x: "$Postscripts[2]"
          - test:
              if: "$Verbosity='Verbose' and not(self::m:chemical-formula)"
              then: [{T: "trên"}]
              else_test:
                if: "$Verbosity='Medium'"
                then: [{T: ""}]
          #- x: "$Postscripts[2]"
          - pause: "short"
      - test:
          if: "count($Postscripts) > 2"
          then:
          - test:
              if: "not($Postscripts[3][self::m:none])"
              then:
              - x: "$Postscripts[3]"
              - test:
                  if: "$Verbosity='Verbose' and not(self::m:chemical-formula)"
                  then: [{T: "dưới"}]
                  else_test:
                    if: "$Verbosity='Medium'"
                    then: [{T: ""}]
              #- x: "$Postscripts[3]"
              - pause: "short"
          - test:
              if: "not($Postscripts[4][self::m:none])"
              then:
              - x: "$Postscripts[4]"
              - test:
                  if: "$Verbosity='Verbose' and not(self::m:chemical-formula)"
                  then: [{T: "trên"}]
                  else_test:
                    if: "$Verbosity='Medium'"
                    then: [{T: ""}]
              #- x: "$Postscripts[4]"
              - pause: "short"
          - test:
              if: "count($Postscripts) > 4"
              then:
              - test:
                  if: "not($Postscripts[5][self::m:none])"
                  then:
                  - x: "$Postscripts[5]"
                  - test:
                      if: "$Verbosity='Verbose' and not(self::m:chemical-formula)"
                      then: [{T: "dưới"}]
                      else_test:
                        if: "$Verbosity='Medium'"
                        then: [{T: ""}]
                  #- x: "$Postscripts[5]"
                  - pause: "short"
              - test:
                  if: "not($Postscripts[6][self::m:none])"
                  then:
                  - x: "$Postscripts[6]"
                  - test:
                      if: "$Verbosity='Verbose' and not(self::m:chemical-formula)"
                      then: [{T: "trên"}]
                      else_test:
                        if: "$Verbosity='Medium'"
                        then: [{T: ""}]
                  #- x: "$Postscripts[6]"
                  - pause: "short"
              - test:
                  if: "count($Postscripts) > 6"
                  then:
                  - test:
                      if: "not($Postscripts[7][self::m:none])"
                      then:
                      - x: "$Postscripts[7]"
                      - test:
                          if: "$Verbosity='Verbose' and not(self::m:chemical-formula)"
                          then: [{T: "dưới"}]
                          else_test:
                            if: "$Verbosity='Medium'"
                            then: [{T: ""}]
                      #- x: "$Postscripts[7]"
                      - pause: "short"
                  - test:
                      if: "not($Postscripts[8][self::m:none])"
                      then:
                      - x: "$Postscripts[8]"
                      - test:
                          if: "$Verbosity='Verbose' and not(self::m:chemical-formula)"
                          then: [{T: "trên"}]
                          else_test:
                            if: "$Verbosity='Medium'"
                            then: [{T: ""}]
                      #- x: "$Postscripts[8]"
                      - pause: "short"
      - test:
          if: "$Postscripts[last()][not(self::m:none)] and following-sibling::*[1][text()='+' or text()='-']"
          then: [{pause: medium}]

- name: chemistry


  tag: chemical-equation
  match: "."
  replace:
  - x: "*"

- name: chemical-element
  tag: chemical-element
  match: "."
  replace:
  - bookmark: "@id"
  - spell: text()
  - pause: short

- name: chemical-state
  tag: chemical-state
  match: "."
  replace:
  - bookmark: "*[1]/@id"
  - test:
    - if: ".='s'"
      then: [{T: "thể rắn"}]
    - else_if: ".='l'"
      then: [{T: "thể lỏng"}]
    - else_if: ".='g'"
      then: [{T: "thể khí"}]
      else: [{T: "thể lỏng"}] # (aq)
  - pause: short

- name: chemical-formula-operator-bond
  tag: chemical-formula-operator
  match: "@data-chemical-bond"
  replace:
  # FIX: this might be better/more efficient if in unicode.yaml
  - bookmark: "@id"
  - test:
    - if: "text()='-' or text() = ':'"
      then: [{T: "nối đơn"}]      # phrase(a 'single bond' is formed when two atoms share one pair of electrons)
    - else_if: "text()='=' or text() = '∷'"
      then: [{T: "nối đôi"}]      # phrase(a 'double bond' may occur when two atoms share two pairs of electrons)
    - else_if: "text()='≡'"
      then: [{T: "nối ba"}]      # phrase(a 'triple bond' occurs when two atoms share three pairs of electrons)
    - else_if: "text()='≣'"
      then: [{T: "nối bốn"}]      # phrase(a 'quadruple bond' occurs when two atoms share four pairs of electrons)
      else: [{x: "text()"}]

- name: chemical-formula-operator
  tag: chemical-formula-operator
  match: "."
  replace:
    x: "text()"

- name: chemical-arrow-operator
  tag: chemical-arrow-operator
  match: "."
  replace:
  # FIX: this might be better/more efficient if in unicode.yaml
  - bookmark: "@id"
  - test:
    - if: ".='→' or .='⟶'"
      then_test:
        if: "$Verbosity='Terse'"
        then: [{T: "cho ra"}]      # phrase(hydrogen and oxygen 'forms' water )
        else: [{T: "phản ứng cho ra"}]      # phrase(hydrogen and oxygen 'reacts to form' water)
    - else_if: ".='⇌' or .='\u1f8d2'"
      then: [{T: "mũi tên hai chiều"}]      # phrase(a reactant 'is in equilibrium with' a product)
    - else_if: ".='\u1f8d4'"
      then: [{T: "mũi tên chiều bên trái"}]      # phrase(the reactant 'is in equilibrium biased to the left with' the product)
    - else_if: ".='\u1f8d3'"
      then: [{T: "mũi tên chiều bên phải"}]      # phrase(the reactant 'is in equilibrium biased to the right with' the product)
      else: [x: "*"]

- name: chemical-equation-operator
  tag: chemical-equation-operator
  match: "."
  replace:
  - bookmark: "@id"
  - x: "text()"

- name: none
  tag: none
  match: "../../*[self::m:chemical-formula or self::m:chemical-nuclide]"
  replace:
  - T: "" # don't say anything

- name: ignore-intent-wrapper
  tag: intent-wrapper
  match: "."
  replace:
  - x: "*"