source/data/brkitr/line_fi.txt - Issue 2440913002: Update ICU to 58.1

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Issue 2440913002: Update ICU to 58.1

Patch Set: Created 4 years, 2 months ago

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Index: source/data/brkitr/line_fi.txt

diff --git a/source/data/brkitr/line_fi.txt b/source/data/brkitr/line_fi.txt

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-# file: line_fi.txt

-# Line Breaking Rules

-# Implement default line breaking as defined by

-# Unicode Standard Annex #14 Revision 34 for Unicode 8.0

-# http://www.unicode.org/reports/tr14/

-# tailored as noted in 2nd paragraph below..

-# TODO: Rule LB 8 remains as it was in Unicode 5.2

-# This is only because of a limitation of ICU break engine implementation,

-# not because the older behavior is desirable.

-# This tailors the line break behavior for Finnish, while otherwise behaving

-# per UAX 14 which corresponds to CSS line-break=strict (BCP47 -u-lb-strict).

-# It sets characters of class CJ to behave like NS.

-# Character Classes defined by TR 14.

-!!chain;

-!!LBCMNoChain;

-!!lookAheadHardBreak;

-# !!lookAheadHardBreak Described here because it is (as yet) undocumented elsewhere

-# and only used for the line break rules.

-# It is used in the implementation of rule LB 10

-# which says to treat any combining mark that is not attached to a base

-# character as if it were of class AL (alphabetic).

-# The problem occurs in the reverse rules.

-# Consider a sequence like, with correct breaks as shown

-# LF ID CM AL AL

-# ^ ^ ^

-# Then consider the sequence without the initial ID (ideographic)

-# LF CM AL AL

-# ^ ^

-# Our CM, which in the first example was attached to the ideograph,

-# is now unattached, becomes an alpha, and joins in with the other

-# alphas.

-# When iterating forwards, these sequences do not present any problems

-# When iterating backwards, we need to look ahead when encountering

-# a CM to see whether it attaches to something further on or not.

-# (Look-ahead in a reverse rule is looking towards the start)

-# If the CM is unattached, we need to force a break.

-# !!lookAheadHardBreak forces the run time state machine to

-# stop immediately when a look ahead rule ( '/' operator) matches,

-# and set the match position to that of the look-ahead operator,

-# no matter what other rules may be in play at the time.

-# See rule LB 19 for an example.

-$AI = [:LineBreak = Ambiguous:];

-$AL = [:LineBreak = Alphabetic:];

-$BA = [[:LineBreak = Break_After:] - [\u2010]];

-$HH = [\u2010];

-$BB = [:LineBreak = Break_Before:];

-$BK = [:LineBreak = Mandatory_Break:];

-$B2 = [:LineBreak = Break_Both:];

-$CB = [:LineBreak = Contingent_Break:];

-$CJ = [:LineBreak = Conditional_Japanese_Starter:];

-$CL = [:LineBreak = Close_Punctuation:];

-$CM = [:LineBreak = Combining_Mark:];

-$CP = [:LineBreak = Close_Parenthesis:];

-$CR = [:LineBreak = Carriage_Return:];

-$EX = [:LineBreak = Exclamation:];

-$GL = [:LineBreak = Glue:];

-$HL = [:LineBreak = Hebrew_Letter:];

-$HY = [:LineBreak = Hyphen:];

-$H2 = [:LineBreak = H2:];

-$H3 = [:LineBreak = H3:];

-$ID = [:LineBreak = Ideographic:];

-$IN = [:LineBreak = Inseperable:];

-$IS = [:LineBreak = Infix_Numeric:];

-$JL = [:LineBreak = JL:];

-$JV = [:LineBreak = JV:];

-$JT = [:LineBreak = JT:];

-$LF = [:LineBreak = Line_Feed:];

-$NL = [:LineBreak = Next_Line:];

-$NS = [[:LineBreak = Nonstarter:] $CJ];

-$NU = [:LineBreak = Numeric:];

-$OP = [:LineBreak = Open_Punctuation:];

-$PO = [:LineBreak = Postfix_Numeric:];

-$PR = [:LineBreak = Prefix_Numeric:];

-$QU = [:LineBreak = Quotation:];

-$RI = [:LineBreak = Regional_Indicator:];

-$SA = [:LineBreak = Complex_Context:];

-$SG = [:LineBreak = Surrogate:];

-$SP = [:LineBreak = Space:];

-$SY = [:LineBreak = Break_Symbols:];

-$WJ = [:LineBreak = Word_Joiner:];

-$XX = [:LineBreak = Unknown:];

-$ZW = [:LineBreak = ZWSpace:];

-# Dictionary character set, for triggering language-based break engines. Currently

-# limited to LineBreak=Complex_Context. Note that this set only works in Unicode

-# 5.0 or later as the definition of Complex_Context was corrected to include all

-# characters requiring dictionary break.

-$dictionary = [:LineBreak = Complex_Context:];

-# Rule LB1. By default, treat AI (characters with ambiguous east Asian width),

-# SA (South East Asian: Thai, Lao, Khmer)

-# SG (Unpaired Surrogates)

-# XX (Unknown, unassigned)

-# as $AL (Alphabetic)

-$ALPlus = [$AL $AI $SA $SG $XX];

-# Combining Marks. X $CM* behaves as if it were X. Rule LB6.

-$ALcm = $ALPlus $CM*;

-$BAcm = $BA $CM*;

-$HHcm = $HH $CM*;

-$BBcm = $BB $CM*;

-$B2cm = $B2 $CM*;

-$CLcm = $CL $CM*;

-$CPcm = $CP $CM*;

-$EXcm = $EX $CM*;

-$GLcm = $GL $CM*;

-$HLcm = $HL $CM*;

-$HYcm = $HY $CM*;

-$H2cm = $H2 $CM*;

-$H3cm = $H3 $CM*;

-$IDcm = $ID $CM*;

-$INcm = $IN $CM*;

-$IScm = $IS $CM*;

-$JLcm = $JL $CM*;

-$JVcm = $JV $CM*;

-$JTcm = $JT $CM*;

-$NScm = $NS $CM*;

-$NUcm = $NU $CM*;

-$OPcm = $OP $CM*;

-$POcm = $PO $CM*;

-$PRcm = $PR $CM*;

-$QUcm = $QU $CM*;

-$RIcm = $RI $CM*;

-$SYcm = $SY $CM*;

-$WJcm = $WJ $CM*;

-## -------------------------------------------------

-!!forward;

-# Each class of character can stand by itself as an unbroken token, with trailing combining stuff

-$ALPlus $CM+;

-$BA $CM+;

-$HH $CM+;

-$BB $CM+;

-$B2 $CM+;

-$CL $CM+;

-$CP $CM+;

-$EX $CM+;

-$GL $CM+;

-$HL $CM+;

-$HY $CM+;

-$H2 $CM+;

-$H3 $CM+;

-$ID $CM+;

-$IN $CM+;

-$IS $CM+;

-$JL $CM+;

-$JV $CM+;

-$JT $CM+;

-$NS $CM+;

-$NU $CM+;

-$OP $CM+;

-$PO $CM+;

-$PR $CM+;

-$QU $CM+;

-$RI $CM+;

-$SY $CM+;

-$WJ $CM+;

-# CAN_CM is the set of characters that may combine with CM combining chars.

-# Note that Linebreak UAX 14's concept of a combining char and the rules

-# for what they can combine with are _very_ different from the rest of Unicode.

-# Note that $CM itself is left out of this set. If CM is needed as a base

-# it must be listed separately in the rule.

-$CAN_CM = [^$SP $BK $CR $LF $NL $ZW $CM]; # Bases that can take CMs

-$CANT_CM = [ $SP $BK $CR $LF $NL $ZW $CM]; # Bases that can't take CMs

-# AL_FOLLOW set of chars that can unconditionally follow an AL

-# Needed in rules where stand-alone $CM s are treated as AL.

-# Chaining is disabled with CM because it causes other failures,

-# so for this one case we need to manually list out longer sequences.

-$AL_FOLLOW_NOCM = [$BK $CR $LF $NL $ZW $SP];

-$AL_FOLLOW_CM = [$CL $CP $EX $HL $IS $SY $WJ $GL $OP $QU $BA $HH $HY $NS $IN $NU $ALPlus];

-$AL_FOLLOW = [$AL_FOLLOW_NOCM $AL_FOLLOW_CM];

-# Rule LB 4, 5 Mandatory (Hard) breaks.

-$LB4Breaks = [$BK $CR $LF $NL];

-$LB4NonBreaks = [^$BK $CR $LF $NL];

-$CR $LF {100};

-# LB 6 Do not break before hard line breaks.

-$LB4NonBreaks? $LB4Breaks {100}; # LB 5 do not break before hard breaks.

-$CAN_CM $CM* $LB4Breaks {100};

-$CM+ $LB4Breaks {100};

-# LB 7 x SP

-# x ZW

-$LB4NonBreaks [$SP $ZW];

-$CAN_CM $CM* [$SP $ZW];

-$CM+ [$SP $ZW];

-# LB 8 Break after zero width space

-# TODO: ZW SP* <break>

-# An engine change is required to write the reverse rule for this.

-# For now, leave the Unicode 5.2 rule, ZW <break>

-$LB8Breaks = [$LB4Breaks $ZW];

-$LB8NonBreaks = [[$LB4NonBreaks] - [$ZW]];

-# LB 9 Combining marks. X $CM needs to behave like X, where X is not $SP, $BK $CR $LF $NL

-# $CM not covered by the above needs to behave like $AL

-# See definition of $CAN_CM.

-$CAN_CM $CM+; # Stick together any combining sequences that don't match other rules.

-$CM+;

-# LB 11 Do not break before or after WORD JOINER & related characters.

-$CAN_CM $CM* $WJcm;

-$LB8NonBreaks $WJcm;

-$CM+ $WJcm;

-$WJcm $CANT_CM;

-$WJcm $CAN_CM $CM*;

-# LB 12 Do not break after NBSP and related characters.

-# GL x

-$GLcm $CAN_CM $CM*;

-$GLcm $CANT_CM;

-# LB 12a Do not break before NBSP and related characters ...

-# [^SP BA HY] x GL

-[[$LB8NonBreaks] - [$SP $BA $HH $HY]] $CM* $GLcm;

-$CM+ GLcm;

-# LB 13 Don't break before ']' or '!' or ';' or '/', even after spaces.

-$LB8NonBreaks $CL;

-$CAN_CM $CM* $CL;

-$CM+ $CL; # by rule 10, stand-alone CM behaves as AL

-$LB8NonBreaks $CP;

-$CAN_CM $CM* $CP;

-$CM+ $CP; # by rule 10, stand-alone CM behaves as AL

-$LB8NonBreaks $EX;

-$CAN_CM $CM* $EX;

-$CM+ $EX; # by rule 10, stand-alone CM behaves as AL

-$LB8NonBreaks $IS;

-$CAN_CM $CM* $IS;

-$CM+ $IS; # by rule 10, stand-alone CM behaves as AL

-$LB8NonBreaks $SY;

-$CAN_CM $CM* $SY;

-$CM+ $SY; # by rule 10, stand-alone CM behaves as AL

-# LB 14 Do not break after OP, even after spaces

-$OPcm $SP* $CAN_CM $CM*;

-$OPcm $SP* $CANT_CM;

-$OPcm $SP+ $CM+ $AL_FOLLOW?; # by rule 10, stand-alone CM behaves as AL

-# LB 15

-$QUcm $SP* $OPcm;

-# LB 16

-($CLcm | $CPcm) $SP* $NScm;

-# LB 17

-$B2cm $SP* $B2cm;

-# LB 18 Break after spaces.

-$LB18NonBreaks = [$LB8NonBreaks - [$SP]];

-$LB18Breaks = [$LB8Breaks $SP];

-# LB 19

-# x QU

-$LB18NonBreaks $CM* $QUcm;

-$CM+ $QUcm;

-# QU x

-$QUcm .?;

-$QUcm $LB18NonBreaks $CM*; # Don't let a combining mark go onto $CR, $BK, etc.

- # TODO: I don't think this rule is needed.

-# LB 20

-# <break> $CB

-# $CB <break>

-$LB20NonBreaks = [$LB18NonBreaks - $CB];

-# LB 20.09 added rule for Finnish tailoring

-# LB 21 x (BA | HY | NS)

-# BB x

-$LB20NonBreaks $CM* ($BAcm | $HHcm | $HYcm | $NScm) / $AL;

-$LB20NonBreaks $CM* ($BAcm | $HHcm | $HYcm | $NScm);

-($HY | $HH) $AL;

-$BBcm [^$CB]; # $BB x

-$BBcm $LB20NonBreaks $CM*;

-# LB 21a Don't break after Hebrew + Hyphen

-# HL (HY | BA) x

-$HLcm ($HYcm | $BAcm | $HHcm) [^$CB]?;

-# LB 21b (forward) Don't break between SY and HL

-# (break between HL and SY already disallowed by LB 13 above)

-$SYcm $HLcm;

-# LB 22

-($ALcm | $HLcm) $INcm;

-$CM+ $INcm; # by rule 10, any otherwise unattached CM behaves as AL

-$EXcm $INcm;

-$IDcm $INcm;

-$INcm $INcm;

-$NUcm $INcm;

-# $LB 23

-$IDcm $POcm;

-$ALcm $NUcm; # includes $LB19

-$HLcm $NUcm;

-$CM+ $NUcm; # Rule 10, any otherwise unattached CM behaves as AL

-$NUcm $ALcm;

-$NUcm $HLcm;

-# LB 24

-$PRcm $IDcm;

-$PRcm ($ALcm | $HLcm);

-$POcm ($ALcm | $HLcm);

-# LB 25 Numbers.

-# LB 26 Do not break a Korean syllable

-$JLcm ($JLcm | $JVcm | $H2cm | $H3cm);

-($JVcm | $H2cm) ($JVcm | $JTcm);

-($JTcm | $H3cm) $JTcm;

-# LB 27 Treat korean Syllable Block the same as ID (don't break it)

-($JLcm | $JVcm | $JTcm | $H2cm | $H3cm) $INcm;

-($JLcm | $JVcm | $JTcm | $H2cm | $H3cm) $POcm;

-$PRcm ($JLcm | $JVcm | $JTcm | $H2cm | $H3cm);

-# LB 28 Do not break between alphabetics

-($ALcm | $HLcm) ($ALcm | $HLcm);

-$CM+ ($ALcm | $HLcm); # The $CM+ is from rule 10, an unattached CM is treated as AL

-# LB 29

-$IScm ($ALcm | $HLcm);

-# LB 30

-($ALcm | $HLcm | $NUcm) $OPcm;

-$CM+ $OPcm; # The $CM+ is from rule 10, an unattached CM is treated as AL.

-$CPcm ($ALcm | $HLcm | $NUcm);

-# LB 30a Do not break between regional indicators.

-$RIcm $RIcm;

-# Reverse Rules.

-## -------------------------------------------------

-!!reverse;

-$CM+ $ALPlus;

-$CM+ $BA;

-$CM+ $HH;

-$CM+ $BB;

-$CM+ $B2;

-$CM+ $CL;

-$CM+ $CP;

-$CM+ $EX;

-$CM+ $GL;

-$CM+ $HL;

-$CM+ $HY;

-$CM+ $H2;

-$CM+ $H3;

-$CM+ $ID;

-$CM+ $IN;

-$CM+ $IS;

-$CM+ $JL;

-$CM+ $JV;

-$CM+ $JT;

-$CM+ $NS;

-$CM+ $NU;

-$CM+ $OP;

-$CM+ $PO;

-$CM+ $PR;

-$CM+ $QU;

-$CM+ $RI;

-$CM+ $SY;

-$CM+ $WJ;

-$CM+;

-# Sequences of the form (shown forwards)

-# [CANT_CM] <break> [CM] [whatever]

-# The CM needs to behave as an AL

-$AL_FOLLOW $CM+ / (

- [$BK $CR $LF $NL $ZW {eof}] |

- $SP+ $CM+ $SP |

- $SP+ $CM* ([^$OP $CM $SP] | [$AL {eof}])); # if LB 14 will match, need to surpress this break.

- # LB14 says OP SP* x .

- # becomes OP SP* x AL

- # becomes OP SP* x CM+ AL_FOLLOW

- #

- # Further note: the $AL in [$AL {eof}] is only to work around

- # a rule compiler bug which complains about

- # empty sets otherwise.

-# Sequences of the form (shown forwards)

-# [CANT_CM] <break> [CM] <break> [PR]

-# The CM needs to behave as an AL

-# This rule is concerned about getting the second of the two <breaks> in place.

-[$PR ] / $CM+ [$BK $CR $LF $NL $ZW $SP {eof}];

-# LB 4, 5, 5

-$LB4Breaks [$LB4NonBreaks-$CM];

-$LB4Breaks $CM+ $CAN_CM;

-$LF $CR;

-# LB 7 x SP

-# x ZW

-[$SP $ZW] [$LB4NonBreaks-$CM];

-[$SP $ZW] $CM+ $CAN_CM;

-# LB 8 ZW SP* <break>

-# TODO: to implement this, we need more than one look-ahead hard break in play at a time.

-# Requires an engine enhancement.

-# / $SP* $ZW

-# LB 9,10 Combining marks.

-# X $CM needs to behave like X, where X is not $SP or controls.

-# $CM not covered by the above needs to behave like $AL

-# Stick together any combining sequences that don't match other rules.

-$CM+ $CAN_CM;

-# LB 11

-$CM* $WJ $CM* $CAN_CM;

-$CM* $WJ [$LB8NonBreaks-$CM];

- $CANT_CM $CM* $WJ;

-$CM* $CAN_CM $CM* $WJ;

-# LB 12a

-# [^SP BA HY] x GL

-$CM* $GL $CM* [$LB8NonBreaks-[$CM $SP $BA $HH $HY]];

-# LB 12

-# GL x

-$CANT_CM $CM* $GL;

-$CM* $CAN_CM $CM* $GL;

-# LB 13

-$CL $CM+ $CAN_CM;

-$CP $CM+ $CAN_CM;

-$EX $CM+ $CAN_CM;

-$IS $CM+ $CAN_CM;

-$SY $CM+ $CAN_CM;

-$CL [$LB8NonBreaks-$CM];

-$CP [$LB8NonBreaks-$CM];

-$EX [$LB8NonBreaks-$CM];

-$IS [$LB8NonBreaks-$CM];

-$SY [$LB8NonBreaks-$CM];

-# Rule 13 & 14 taken together for an edge case.

-# Match this, shown forward

-# OP SP+ ($CM+ behaving as $AL) (CL | CP | EX | IS | IY)

-# This really wants to chain at the $CM+ (which is acting as an $AL)

-# except for $CM chaining being disabled.

-[$CL $CP $EX $IS $SY] $CM+ $SP+ $CM* $OP;

-# LB 14 OP SP* x

-$CM* $CAN_CM $SP* $CM* $OP;

- $CANT_CM $SP* $CM* $OP;

-$AL_FOLLOW? $CM+ $SP $SP* $CM* $OP; # by LB 10, behaves like $AL_FOLLOW? $AL $SP* $CM* $OP

- $AL_FOLLOW_NOCM $CM+ $SP+ $CM* $OP;

-$CM* $AL_FOLLOW_CM $CM+ $SP+ $CM* $OP;

-$SY $CM $SP+ $OP; # TODO: Experiment. Remove.

-# LB 15

-$CM* $OP $SP* $CM* $QU;

-# LB 16

-$CM* $NS $SP* $CM* ($CL | $CP);

-# LB 17

-$CM* $B2 $SP* $CM* $B2;

-# LB 18 break after spaces

-# Nothing explicit needed here.

-# LB 19

-$CM* $QU $CM* $CAN_CM; # . x QU

-$CM* $QU $LB18NonBreaks;

-$CM* $CAN_CM $CM* $QU; # QU x .

- $CANT_CM $CM* $QU;

-# LB 20 Break before and after CB.

-# nothing needed here.

-# LB 20.09 added rule for Finnish tailoring

-$AL ($HY | $HH) / $SP;

-# LB 21

-$CM* ($BA | $HH | $HY | $NS) $CM* [$LB20NonBreaks-$CM]; # . x (BA | HY | NS)

-$CM* [$LB20NonBreaks-$CM] $CM* $BB; # BB x .

-[^$CB] $CM* $BB; #

-# LB21a

-[^$CB] $CM* ($HY | $BA | $HH) $CM* $HL;

-# LB21b (reverse)

-$CM* $HL $CM* $SY;

-# LB 22

-$CM* $IN $CM* ($ALPlus | $HL);

-$CM* $IN $CM* $EX;

-$CM* $IN $CM* $ID;

-$CM* $IN $CM* $IN;

-$CM* $IN $CM* $NU;

-# LB 23

-$CM* $PO $CM* $ID;

-$CM* $NU $CM* ($ALPlus | $HL);

-$CM* ($ALPlus | $HL) $CM* $NU;

-# LB 24

-$CM* $ID $CM* $PR;

-$CM* ($ALPlus | $HL) $CM* $PR;

-$CM* ($ALPlus | $HL) $CM* $PO;

-# LB 25

-# LB 26

-$CM* ($H3 | $H2 | $JV | $JL) $CM* $JL;

-$CM* ($JT | $JV) $CM* ($H2 | $JV);

-$CM* $JT $CM* ($H3 | $JT);

-# LB 27

-$CM* $IN $CM* ($H3 | $H2 | $JT | $JV | $JL);

-$CM* $PO $CM* ($H3 | $H2 | $JT | $JV | $JL);

-$CM* ($H3 | $H2 | $JT | $JV | $JL) $CM* $PR;

-# LB 28

-$CM* ($ALPlus | $HL) $CM* ($ALPlus | $HL);

-# LB 29

-$CM* ($ALPlus | $HL) $CM* $IS;

-# LB 30

-$CM* $OP $CM* ($ALPlus | $HL | $NU);

-$CM* ($ALPlus | $HL | $NU) $CM* $CP;

-# LB 30a

-$CM* $RI $CM* $RI;

-## -------------------------------------------------

-!!safe_reverse;

-# LB 9

-$CM+ [^$CM $BK $CR $LF $NL $ZW $SP];

-$CM+ $SP / .;

-# LB 14

-$SP+ $CM* $OP;

-# LB 15

-$SP+ $CM* $QU;

-# LB 16

-$SP+ $CM* ($CL | $CP);

-# LB 17

-$SP+ $CM* $B2;

-# LB 21

-$CM* ($HY | $BA | $HH) $CM* $HL;

-# LB 25

-($CM* ($IS | $SY))+ $CM* $NU;

-($CL | $CP) $CM* ($NU | $IS | $SY);

-# For dictionary-based break

-$dictionary $dictionary;

-## -------------------------------------------------

-!!safe_forward;

-# Skip forward over all character classes that are involved in

-# rules containing patterns with possibly more than one char

-# of context.

-# It might be slightly more efficient to have specific rules

-# instead of one generic one, but only if we could

-# turn off rule chaining. We don't want to move more

-# than necessary.

-[$CM $OP $QU $CL $CP $B2 $PR $HY $BA $SP $dictionary]+ [^$CM $OP $QU $CL $CP $B2 $PR $HY $BA $dictionary];

-$dictionary $dictionary;

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