##############################################
# Categorize letters.                        #
# Author: Scott Pakin <scott+clsl@pakin.org> #
##############################################

# --------------------------- Greek letters ----------------------------

# This rule should appear early in this section.
[[rewrite]]
matches = "ddigamma"
word = "digamma"
continue = true

# This rule should appear early in this section.
[[rewrite]]
regex = '^(.*)ohm(.*)$'
word = '\1Omega\2'
continue = true

# This rule should appear early in this section.
[[rewrite]]
matches = "epsi"
word = "epsilon"
continue = true

# Backward lowercase
[[rewrite]]
regex = '''
^(?:up|text|ni|bb|baby)?(?:rev|back)\
(alpha|beta|gamma|delta|epsilon|zeta|eta|theta|iota|kappa|lambda|mu|\
nu|xi|omicron|pi|rho|sigma|tau|upsilon|phi|chi|psi|omega|\
stigma|digamma|[ckq]oppa|sampi|heta)\
(?:up)?$\
'''
item = ['\1', "lowercase backward"]

# Variant lowercase
[[rewrite]]
regex = '''
^(?:up|text|ni|bb|baby)?(?:var|varvar)\
(alpha|beta|gamma|delta|epsilon|zeta|eta|theta|iota|kappa|lambda|mu|\
nu|xi|omicron|pi|rho|sigma|tau|upsilon|phi|chi|psi|omega|\
stigma|digamma|[ckq]oppa|sampi|heta)\
(?:up)?$\
'''
item = ['\1', "lowercase variant"]

[[rewrite]]
matches = "Varsampi"
item = ["sampi", "lowercase variant"]

# ... Begin special cases ...

[[rewrite]]
matches = ["riota", "turnediota", "iota, upside-down"]
item = ["iota", "lowercase, upside-down"]

[[rewrite]]
contains = "textinvomega"
item = ["omega", "lowercase, upside-down"]

[[rewrite]]
matches = ["agemO", "mho", "textmho", "rotOmega"]
item = ["omega", "uppercase, upside-down"]

[[rewrite]]
regex = 'closed?(?:ni)?(epsilon|omega)'
item = ['\1', "lowercase closed"]

[[rewrite]]
matches = "first ordinal (omega)"
item = ["omega", "lowercase"]

[[rewrite]]
regex = 'closed?revepsilon'
item = ["epsilon", "lowercase reversed and closed"]

[[rewrite]]
contains = "hookepsilon"
item = ["epsilon", "lowercase with hook"]

[[rewrite]]
contains = "hookrevepsilon"
item = ["epsilon", "lowercase reversed with hook"]

[[rewrite]]
matches = "ipagamma"
item = ["gamma", "lowercase IPA form"]

[[rewrite]]
contains = "tailgamma"
item = ["gamma", "lowercase with tail"]

[[rewrite]]
matches = "textgrgamma"
word = "gamma"
continue = true

[[rewrite]]
matches = [
    "barlambda",
    "crossnilambda",
    "lambdabar",
    "lambdaslash",
    "textcrlambda"
]
item = ["lambda", "lowercase with slash"]

[[rewrite]]
regex = '^text([Oo])mikron$'
item = 'text\1micron'
continue = true

# Treat "increment" as uppercase delta.
[[rewrite]]
matches = "increment"
item = ["delta", "uppercase"]

# Index "micro" as an upright mu.
[[rewrite]]
matches = [
    "micro",
    "textmicro",
    "textmugreek"
]
item = ["mu", "lowercase upright"]

# ... End special cases ...

# Uppercase
[[rewrite]]
regex = '''
^(?:up|text|ni|bb|tc)?(?:baby)?\
(Alpha|Beta|Gamma|Delta|Epsilon|Zeta|Eta|Theta|Iota|Kappa|Lambda|Mu|\
Nu|Xi|Omicron|Pi|Rho|Sigma|Tau|Upsilon|Phi|Chi|Psi|Omega|\
Stigma|Digamma|[CKQ]oppa|Sampi|Heta)\
(?:up)?$\
'''
item = ['\1', "uppercase"]
lowercase_item = true

# More uppercase
[[rewrite]]
regex = '''
^(?:Up|textsc)\
(alpha|beta|gamma|delta|epsilon|zeta|eta|theta|iota|kappa|lambda|mu|\
nu|xi|omicron|pi|rho|sigma|tau|upsilon|phi|chi|psi|omega|\
stigma|digamma|[ckq]oppa|sampi|heta)$\
'''
item = ['\1', "uppercase"]

# Lowercase
[[rewrite]]
regex = '''
^(?:up|text|ni|bb|tc)?(?:baby)?\
(alpha|beta|gamma|delta|epsilon|zeta|eta|theta|iota|kappa|lambda|mu|\
nu|xi|omicron|pi|rho|sigma|tau|upsilon|phi|chi|psi|omega|\
stigma|digamma|[ckq]oppa|sampi|heta)\
(?:up)?$\
'''
item = ['\1', "lowercase"]

# -------------------------- assorted letters --------------------------

# ... schwa ...

[[rewrite]]
matches = "textrhookschwa"
item = ["schwa", "hooked"]

[[rewrite]]
contains = "schwa"
not_render_contains = '\PHONFCtextschwa'
item = "schwa"

# This rule should precede the "rotated latters" rule.
[[rewrite]]
matches = "inve"
item = "schwa"

# ... variant letters ...

# This rule should precede the following one.
[[rewrite]]
matches = "vari"
item = ["i", "dotless"]

[[rewrite]]
render_matches = '\add@accent{127}{i}'
item = ["i", "incorrectly accented"]
word = 'incorrectly accented (\\add@accent{127}{i})'

[[rewrite]]
regex = '^var([A-Za-z])$'
item = '\1'

[[rewrite]]
regex = '^(?:text)?script([A-Za-z])$'
item = '\1'

# ... barred letters ...

[[rewrite]]
regex = '^bar(?:sc)?([a-z])$'
not_render_contains = '\faBars'
item = ["barred letters", '\1']

[[rewrite]]
regex = '^([a-z])bar?$'
item = ["barred letters", '\1']

[[rewrite]]
regex = '^text(?:cr|bar)([a-z])$'
item = ["barred letters", '\1']

[[rewrite]]
matches = "planck"
item = ["barred letters", "h"]

[[rewrite]]
regex = '^cross([a-z])$'
item = ["barred letters", '\1']

[[rewrite]]
matches = "Zbar"
item = ["barred letters", "Z"]

[[rewrite]]
matches = "dj"
item = ["barred letters", "d"]

[[rewrite]]
matches = "DJ"
item = ["barred letters", "D"]

[[rewrite]]
matches = "dlbari"
item = ["barred letters", "i, dotless"]

[[rewrite]]
matches = ["textbardotlessj", "textObardotlessj"]
item = ["barred letters", "j, dotless"]

[[rewrite]]
matches = "textdoublebaresh"
item = ["barred letters", "esh, double"]

# ... horned letters ...

[[rewrite]]
regex = '^([A-Z])HORN$'
item = ["horned letters", '\1']

[[rewrite]]
regex = '^([a-z])horn$'
not_matches = "thorn"
item = ["horned letters", '\1']

# ... hooked letters ...

[[rewrite]]
regex = '^hook([A-Za-z])$'
item = ["hooked letters", '\1']

[[rewrite]]
regex = '^text(?:ht|lht|[lr]hook|frhook)([A-Za-z])(?:var)?$'
item = ["hooked letters", '\1']

[[rewrite]]
regex = '^textlhtlong([A-Za-z])$'
item = ["hooked letters", '\1, long']

[[rewrite]]
regex = '^texthtsc([A-Za-z])$'
item = ["hooked letters", '\1, small caps']

[[rewrite]]
prefix = "texthtbardotlessj"
item = ["hooked letters", "j, dotless, barred"]

[[rewrite]]
matches = "textrhookopeno"
item = ["hooked letters", "o, open"]

[[rewrite]]
matches = "voicedh"
item = ["hooked letters", "h"]

# Let's count this as a hooked letter.
[[rewrite]]
matches = "textfrbarn"
item = ["hooked letters", "n"]

# I don't know why this is considered a schwa.  It looks to me like a
# hooked d.
[[rewrite]]
render_contains = '\PHONFCtextschwa'
item = ["hooked letters", "d"]

# ... tailed letters ...

[[rewrite]]
regex = '^(?:text[lr]|textcomma)?tail([a-z])$'
item = ["tailed letters", '\1']

[[rewrite]]
regex = '^curly([a-z])$'
item = ["tailed letters", '\1']

[[rewrite]]
regex = '^textct([a-z])(?:var)?$'
item = ["tailed letters", '\1']

[[rewrite]]
matches = ["textctesh", "curlyesh"]
item = ["tailed letters", "esh"]

[[rewrite]]
prefix = "textctstretchc"
item = ["tailed letters", "c, stretched"]

[[rewrite]]
matches = "textctturnt"
item = ["tailed letters", "t, inverted"]

[[rewrite]]
matches = "texthtrtaild"
item = ["tailed letters", "d, with hook"]

[[rewrite]]
matches = "textrtailhth"
item = ["tailed letters", "h, with hook"]

[[rewrite]]
matches = "roundz"
item = ["z", "round"]

# ... slashed letters ...

[[rewrite]]
regex = '^slash([a-z])$'
item = ["slashed letters", '\1']

[[rewrite]]
render_contains = '(\O)'
item = ["slashed letters", "O"]

[[rewrite]]
render_contains = '(\o)'
item = ["slashed letters", "o"]

# ... stroked letters ...

[[rewrite]]
matches = "hslash"
item = ["stroked letters", "h"]

[[rewrite]]
render_contains = '+\L+'
item = ["stroked letters", "L"]

[[rewrite]]
render_contains = '+\l+'
item = ["stroked letters", "l"]

# ... inverted letters ...

[[rewrite]]
matches = "textinvscripta"
item = ["inverted letters", "a"]

[[rewrite]]
regex = '^(?:text)?invsc([A-Za-z])$'
item = ["inverted letters", '\1, small caps']

[[rewrite]]
matches = "pwedge"
item = ["inverted letters", "v"]

# ... rotated letters ...

[[rewrite]]
regex = '^rot(?:var)?([a-z])$'
item = ["rotated letters", '\1']

[[rewrite]]
regex = '^inv(?:script)?([A-Za-z])$'
item = ["rotated letters", '\1']

[[rewrite]]
regex = '^textturn(?:var|script)?([a-z])$'
item = ["rotated letters", '\1']

[[rewrite]]
regex = '^textturnsc([A-Za-z])$'
item = ["rotated letters", '\1, small caps']

[[rewrite]]
matches = ["tailinvr", "textturnrrtail"]
item = ["rotated letters", "r, with tail"]

[[rewrite]]
matches = "sansLturned"
item = ["rotated letters", "L, sans serif"]

[[rewrite]]
matches = ["invlazys", "ac"]
item = ["rotated letters", "s, inverted"]

# ... reversed letters ...

[[rewrite]]
regex = '^(?:text)?rev([A-Za-z])$'
item = ["reversed letters", '\1']

[[rewrite]]
regex = '^textrevsc([A-Za-z])$'
item = ["reversed letters", '\1, small caps']

[[rewrite]]
matches = "sansLmirrored"
item = ["reversed letters", "L, sans serif"]

# ... long-legged letters ...

[[rewrite]]
regex = '^textlongleg([A-Za-z])$'
item = ["long-legged letters", '\1']

[[rewrite]]
regex = '^text([A-Za-z])rleg$'
item = ["long-legged letters", '\1']

[[rewrite]]
matches = "legr"
item = ["long-legged letters", "r"]

[[rewrite]]
regex = '^textturnlongleg([A-Za-z])$'
item = ["long-legged letters", '\1, rotated']

[[rewrite]]
regex = '^textturn([A-Za-z])rleg$'
item = ["long-legged letters", '\1, rotated']

[[rewrite]]
matches = "legm"
item = ["long-legged letters", "m, rotated"]

[[rewrite]]
matches = "invlegr"
item = ["long-legged letters", "r, rotated"]

# ... small-caps letters ...

[[rewrite]]
regex = '^(?:text)?sc([a-z])$'
item = ["small caps letters", '\1']
not_render_contains = '\textsf'

# ... blackboard bold letters ...

[[rewrite]]
compare_lowercase = true
matches = "complex"
item = ["blackboard bold letters", "C"]

[[rewrite]]
matches = ["Natural", "NATURAL"]
item = ["blackboard bold letters", "N"]

[[rewrite]]
matches = "Bbbk"
item = ["blackboard bold letters", "k"]

[[rewrite]]
compare_lowercase = true
matches = "rational"
item = ["blackboard bold letters", "Q"]

[[rewrite]]
compare_lowercase = true
matches = "real"
item = ["blackboard bold letters", "R"]

[[rewrite]]
compare_lowercase = true
matches = "integer"
item = ["blackboard bold letters", "Z"]

[[rewrite]]
regex = '^sym([AOU])E$'
item = ["blackboard bold letters", '\1, umlaut']

[[rewrite]]
matches = "symC"
item = ["blackboard bold letters", "C"]

# ... Hebrew letters ...

[[rewrite]]
matches = [
    "aleph",
    "beth",
    "gimel",
    "daleth"
]
item = '\1'

# ... boko (Hausa) letters ...

[[rewrite]]
regex = '^hausa([A-Za-z])$'
item = ["boko letters", '\1']

# ... yogh ...

[[rewrite]]
matches = ["yogh", "textyogh"]
item = "yogh"

[[rewrite]]
matches = "textbenttailyogh"
item = ["yogh", "with bent tail"]

[[rewrite]]
matches = ["curlyyogh", "textctyogh"]
item = ["yogh", "with curly tail"]

[[rewrite]]
matches = "textrevyogh"
item = ["yogh", "reversed"]

# ... thorn ...

[[rewrite]]
prefix = ["thorn", "textthorn"]
item = ["thorn", "lowercase"]

[[rewrite]]
matches = "th"
item = ["thorn", "lowercase"]

[[rewrite]]
matches = ["Thorn", "TH"]
item = ["thorn", "uppercase"]

# ... ligatures ...

[[rewrite]]
matches = "textheng"
item = ["ligatures", "h-engma"]

[[rewrite]]
matches = ["tesh", "textteshlig"]
item = ["ligatures", "t-esh"]

[[rewrite]]
regex = '^textO?([A-Za-z])yoghlig$'
item = ["ligatures", '\1-yogh']

[[rewrite]]
matches = "texththeng"
item = ["ligatures", "h-engma, hooked"]

[[rewrite]]
matches = "lz"
item = ["ligatures", "l-z"]

[[rewrite]]
matches = "ae"
item = ["ligatures", "a-e"]

[[rewrite]]
matches = "AE"
item = ["ligatures", "A-E"]

[[rewrite]]
matches = "oe"
item = ["ligatures", "o-e"]

[[rewrite]]
matches = "OE"
item = ["ligatures", "O-E"]

[[rewrite]]
matches = "oo"
item = ["ligatures", "o-o"]

[[rewrite]]
matches = "dz"
item = ["ligatures", "d-z"]

[[rewrite]]
matches = "fj"
item = ["ligatures", "f-j"]

[[rewrite]]
matches = "ij"
item = ["ligatures", "i-j"]

[[rewrite]]
matches = "IJ"
item = ["ligatures", "I-J"]

[[rewrite]]
matches = "hv"
item = ["ligatures", "h-v"]

# Is this supposed to be an l-r ligature?
[[rewrite]]
matches = "textlfishhookrlig"
item = ["ligatures", "l-r"]

[[rewrite]]
matches = "textturncelig"
item = ["ligatures", "c-e, with c rotated"]

[[rewrite]]
matches = ["textdctzlig", "textctdctzlig"]
item = ["ligatures", "d-z, with tail"]

[[rewrite]]
matches = "texttctclig"
item = ["ligatures", "t-c, with tail"]

[[rewrite]]
matches = "textcttctclig"
item = ["ligatures", "t-c, both tailed"]

[[rewrite]]
matches = "hookheng"
item = ["ligatures", "h-engma, hooked"]

[[rewrite]]
regex = '^textsc([A-Za-z])([A-Za-z])lig$'
item = ["ligatures", '\1-\2, small caps']

[[rewrite]]
regex = '^text([A-Za-z])([A-Za-z])lig$'
item = ["ligatures", '\1-\2']

# ... Swedish Viby i and y ...

[[rewrite]]
regex = '^text(?:raise)?viby([iy])$'
item = ['\1', "Lidingo/Viby"]
word = 'Liding{\\"o}/Viby'

# ... other letters ...

[[rewrite]]
matches = ["eng", "engma", "ng"]
item = ["engma", "lowercase"]

[[rewrite]]
render_contains = '{\NG}'
item = ["engma", "uppercase"]

[[rewrite]]
matches = "nj"
item = "enya"

[[rewrite]]
matches = "labdentalnas"
item = "emgma"

[[rewrite]]
matches = "ell"
item = "l"

[[rewrite]]
matches = ["longs", "long s"]
item = ["s", "long"]

[[rewrite]]
matches = ["eth", "dh"]
item = ["eth", "lowercase"]

[[rewrite]]
matches = "DH"
item = ["eth", "uppercase"]

[[rewrite]]
matches = "ss"
item = ["sharp s", "lowercase"]

[[rewrite]]
matches = "SS"
item = ["sharp s", "uppercase"]

[[rewrite]]
matches = "textg"
item = "g"

[[rewrite]]
matches = "lito"
item = "o"

[[rewrite]]
regex = '^text(hard|soft)sign$'
item = '\1 sign'

[[rewrite]]
matches = "textwynn"
item = "wynn"

[[rewrite]]
matches = "textesh"
item = "esh"

[[rewrite]]
prefix = "textstretchc"
item = ["c", "stretched"]

[[rewrite]]
matches = ["openo", "textopeno", "varopeno"]
item = ["o", "open"]

[[rewrite]]
matches = "udesc"
item = ["u", "descending"]

[[rewrite]]
matches = ["textbeltl", "latfric"]
item = ["l", "with belt"]

[[rewrite]]
matches = ["textltilde", "tildel"]
item = ["l", "with tilde"]

[[rewrite]]
matches = "textfishhookr"
item = ["r", "fishhook"]

[[rewrite]]
matches = "textlooptoprevesh"
item = ["esh", "reversed with loop"]

[[rewrite]]
matches = "vod"
item = ["v", "ring under"]