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Highlight improvements (#69)
* improv highlights * rename group names * add promise type * add resDelimiter * fix typo * add test * add custom operators * update CHANGELOG.md * update tests
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‎CHANGELOG.md

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@@ -5,6 +5,7 @@
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**Improvements:**
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- Improve syntax highlighting for escaped backticks in interpolated strings ([#55](https://github.com/rescript-lang/vim-rescript/pull/55))
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- Highlight improvements ([#69](https://github.com/rescript-lang/vim-rescript/pull/69))
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## 2.1.0
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‎syntax/rescript.vim

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@@ -11,14 +11,16 @@ syntax keyword resBoolean true false
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" Keywords
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syntax keyword resKeyword let rec type external mutable lazy private of with
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syntax keyword resKeyword if else switch when
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syntax keyword resKeyword and as open include module in constraint import export
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syntax keyword resKeyword for to downto while
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syntax keyword resKeyword try catch exception assert
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syntax keyword resKeyword and as module constraint import export
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syntax keyword resInclude open include
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syntax keyword resRepeat for to downto while in
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syntax keyword resException try catch exception assert
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syntax keyword resKeyword async await
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" Types
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syntax keyword resType bool int float char string unit
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syntax keyword resType list array option ref exn format
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syntax keyword resType bool int float char string unit promise
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syntax keyword resType array option ref exn format
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syntax match resType "list{\@!"
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" Operators
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syntax keyword resOperator mod land lor lxor lsl lsr asr
@@ -44,9 +46,11 @@ syntax match resOperator "\v\>\="
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syntax match resOperator "\v\@"
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syntax match resOperator "\v\!"
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syntax match resOperator "\v\|"
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syntax match resOperator "\v\&"
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" Delimiter
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syntax match resDelimiter "\v\|"
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" Refs
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syntax match resOperator "\v\:\="
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@@ -56,6 +60,9 @@ syntax match resArrowPipe "\v\-\>"
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syntax match resArrowPipe "\v\|\>"
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syntax match resArrowPipe "\v\@\@"
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" Builtin functions
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syntax match resFunction "list{\@="
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" Comment
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syntax region resSingleLineComment start="//" end="$" contains=resTodo,@Spell
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syntax region resMultiLineComment start="/\*\s*" end="\*/" contains=@Spell,resTodo,resMultiLineComment
@@ -76,7 +83,10 @@ syntax match resModuleOrVariant "\v<[A-Z][A-Za-z0-9_'$]*"
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syntax match resModuleChain "\v<[A-Z][A-Za-z0-9_'$]*\."
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" Attribute
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syntax match resAttribute "\v\@([a-zA-z][A-Za-z0-9_']*)(\.([a-zA-z])[A-Za-z0-9_']*)*"
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syntax match resAttribute "\v(\@|\@\@)([a-zA-z][A-Za-z0-9_']*)(\.([a-zA-z])[A-Za-z0-9_']*)*"
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" Extension
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syntax match resExtension "\v(\%|\%\%)([a-zA-z][A-Za-z0-9_']*)(\.([a-zA-z])[A-Za-z0-9_']*)*"
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" String
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syntax match resUnicodeChar "\v\\u[A-Fa-f0-9]\{4}" contained
@@ -85,6 +95,9 @@ syntax match resInterpolatedStringEscapeSeq "\v\\[\\`ntbrf]" contained
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syntax region resString start="\v\"" end="\v\"" contains=resStringEscapeSeq,resUnicodeChar
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" Custom Operator
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syntax region resCustomOperator start="\v\\\"" end="\v\""
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" Interpolation
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syntax match resInterpolationVariable "\v\$[a-z_][A-Za-z0-0_'$]*" contained
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syntax region resInterpolationBlock matchgroup=resInterpolationDelimiters start="\v\$\{" end="\v\}" contained contains=TOP
@@ -97,11 +110,27 @@ syntax match resPolyVariant "\v#[0-9]+"
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syntax match resPolyVariant "\v#\".*\""
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syntax match resPolyVariant "\v#\\\".*\""
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" Errors
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syn match resBraceErr "}"
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syn match resBrackErr "\]"
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syn match resParenErr ")"
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syn match resArrErr "|]"
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" Enclosing delimiters
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syn region resNone transparent matchgroup=resEncl start="(" matchgroup=resEncl end=")" contains=ALLBUT,resParenErr
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syn region resNone transparent matchgroup=resEncl start="{" matchgroup=resEncl end="}" contains=ALLBUT,resBraceErr
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syn region resNone transparent matchgroup=resEncl start="\[" matchgroup=resEncl end="\]" contains=ALLBUT,resBrackErr
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syn region resNone transparent matchgroup=resEncl start="\[|" matchgroup=resEncl end="|\]" contains=ALLBUT,resArrErr
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highlight default link resBoolean Boolean
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highlight default link resKeyword Keyword
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highlight default link resInclude Include
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highlight default link resException Exception
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highlight default link resRepeat Repeat
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highlight default link resType Type
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highlight default link resOperator Operator
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highlight default link resArrowPipe Operator
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highlight default link resDelimiter Operator
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highlight default link resSingleLineComment Comment
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highlight default link resMultiLineComment Comment
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highlight default link resTodo TODO
@@ -118,5 +147,9 @@ highlight default link resString String
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highlight default link resInterpolationDelimiters Macro
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highlight default link resInterpolationVariable Macro
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highlight default link resAttribute PreProc
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highlight default link resExtension PreProc
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highlight default link resEncl Keyword
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highlight default link resFunction Function
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highlight default link resCustomOperator String
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let b:current_syntax = "rescript"

‎test/syntax/expected/highlight.res.txt

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@@ -2,13 +2,16 @@
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col = 1,
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row = 0,
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syntax = { {
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hl_group = "resArrowPipe",
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hl_group_link = "Statement"
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hl_group = "resAttribute",
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hl_group_link = "PreProc"
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} }
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}, {
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col = 1,
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row = 3,
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syntax = {}
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syntax = { {
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hl_group = "resExtension",
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hl_group_link = "PreProc"
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} }
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}, {
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col = 1,
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row = 6,
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}, {
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col = 9,
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row = 8,
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syntax = {}
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syntax = { {
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hl_group = "resExtension",
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hl_group_link = "PreProc"
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} }
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}, {
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col = 1,
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row = 11,
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}, {
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col = 8,
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row = 32,
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syntax = {}
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syntax = { {
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hl_group = "resExtension",
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hl_group_link = "PreProc"
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} }
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}, {
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col = 12,
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row = 34,
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col = 7,
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row = 56,
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syntax = { {
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hl_group = "resNone",
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hl_group_link = "resNone"
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}, {
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hl_group = "resType",
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hl_group_link = "Type"
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} }
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}, {
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col = 7,
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row = 61,
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syntax = {}
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syntax = { {
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hl_group = "resNone",
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hl_group_link = "resNone"
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}, {
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hl_group = "resType",
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hl_group_link = "Type"
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} }
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}, {
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col = 9,
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row = 65,
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syntax = { {
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hl_group = "resType",
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hl_group_link = "Type"
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hl_group = "resFunction",
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hl_group_link = "Identifier"
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} }
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}, {
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col = 11,
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row = 68,
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syntax = {}
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syntax = { {
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hl_group = "resNone",
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hl_group_link = "resNone"
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} }
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}, {
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col = 9,
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row = 71,
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col = 1,
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row = 85,
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syntax = { {
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hl_group = "resKeyword",
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hl_group = "resRepeat",
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hl_group_link = "Statement"
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} }
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}, {
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col = 2,
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row = 87,
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syntax = { {
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hl_group = "resNone",
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hl_group_link = "resNone"
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}, {
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hl_group = "resModuleChain",
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hl_group_link = "PreProc"
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} }
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}, {
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col = 1,
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row = 91,
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syntax = { {
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hl_group = "resKeyword",
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hl_group = "resRepeat",
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hl_group_link = "Statement"
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} }
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}, {
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col = 1,
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row = 96,
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syntax = { {
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hl_group = "resKeyword",
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hl_group = "resException",
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hl_group_link = "Statement"
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} }
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}, {
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col = 1,
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row = 100,
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syntax = { {
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hl_group = "resKeyword",
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hl_group = "resException",
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hl_group_link = "Statement"
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} }
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}, {
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col = 3,
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row = 103,
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syntax = { {
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hl_group = "resKeyword",
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hl_group = "resException",
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hl_group_link = "Statement"
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} }
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}, {
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col = 17,
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row = 105,
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syntax = { {
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hl_group = "resKeyword",
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hl_group = "resNone",
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hl_group_link = "resNone"
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}, {
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hl_group = "resException",
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hl_group_link = "Statement"
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} }
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}, {
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col = 1,
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row = 109,
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syntax = { {
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hl_group = "resKeyword",
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hl_group_link = "Statement"
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hl_group = "resInclude",
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hl_group_link = "PreProc"
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} }
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}, {
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col = 1,
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row = 112,
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syntax = { {
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hl_group = "resKeyword",
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hl_group_link = "Statement"
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hl_group = "resInclude",
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hl_group_link = "PreProc"
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} }
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}, {
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col = 1,
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}, {
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col = 1,
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row = 118,
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syntax = {}
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syntax = { {
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hl_group = "resNone",
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hl_group_link = "resNone"
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} }
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}, {
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col = 5,
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row = 120,
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syntax = {}
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syntax = { {
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hl_group = "resNone",
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hl_group_link = "resNone"
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} }
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}, {
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col = 5,
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row = 124,
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col = 5,
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row = 128,
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syntax = { {
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hl_group = "resKeyword",
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hl_group = "resException",
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hl_group_link = "Statement"
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} }
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}, {

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