Kotlin.kak new attempt
Updates to address these comments: "I still dont quite see why we need to introduce all those options, especially with names that dont say anything about kotlin. I would expect a single kotlin_static_words option to be enough. Similarly, a single highlighter should be enough here."
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Yerlan
GitHub
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rc/filetype/kotlin.kak
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rc/filetype/kotlin.kak
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# References --------------------------------------------------------------------------------------- #
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# ‾‾‾‾‾‾‾‾‾‾
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# Team: Yerlan & Kirk Duncan
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#
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# Kotlin 2020, Keywords and Operators, v1.4.0, viewed 9 September 2020, https://kotlinlang.org/docs/reference/keyword-reference.html
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# Kdoc 2020, Documenting Kotlin Code, Block Tags, v1.4.0, viewed 9 September 2020, https://kotlinlang.org/docs/reference/kotlin-doc.html
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# Oracle 2020, Java Platform, Standard Edition & Java Development Kit, Version 14 API Specification, viewed 8 September 2020, https://docs.oracle.com/en/java/javase/14/docs/api/index.html
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#
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# File types --------------------------------------------------------------------------------------- #
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# ‾‾‾‾‾‾‾‾‾‾
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hook global BufCreate .*[.](kt|kts) %{
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set-option buffer filetype kotlin
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}
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# Initialization ----------------------------------------------------------------------------------- #
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# ‾‾‾‾‾‾‾‾‾‾‾‾‾‾
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hook global WinSetOption filetype=kotlin %{
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require-module kotlin
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set-option window static_words %opt{kotlin_static_words}
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# cleanup trailing whitespaces when exiting insert mode
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hook window ModeChange pop:insert:.* -group kotlin-trim-indent %{ try %{ execute-keys -draft <a-x>s^\h+$<ret>d } }
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hook window InsertChar \n -group kotlin-indent kotlin-insert-on-new-line
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hook window InsertChar \n -group kotlin-indent kotlin-indent-on-new-line
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hook window InsertChar \{ -group kotlin-indent kotlin-indent-on-opening-curly-brace
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hook window InsertChar \} -group kotlin-indent kotlin-indent-on-closing-curly-brace
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hook -once -always window WinSetOption filetype=.* %{ remove-hooks window kotlin-.+ }
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}
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hook -group kotlin-highlighter global WinSetOption filetype=kotlin %{
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add-highlighter window/kotlin ref kotlin
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add-highlighter window/kdoc ref kdoc
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hook -once -always window WinSetOption filetype=.* %{
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remove-highlighter window/kotlin
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remove-highlighter window/kdoc
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}
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}
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hook global BufSetOption filetype=kotlin %{
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require-module kotlin
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set-option buffer comment_line '//'
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set-option buffer comment_block_begin '/*'
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set-option buffer comment_block_end '*/'
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hook -once -always buffer BufSetOption filetype=.* %{ remove-hooks buffer kotlin-.+ }
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}
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# Module ------------------------------------------------------------------------------------------- #
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# ‾‾‾‾‾‾
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provide-module kotlin %§
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add-highlighter shared/kotlin regions
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add-highlighter shared/kotlin/code default-region group
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add-highlighter shared/kotlin/string region %{(?<!')"} %{(?<!\\)(\\\\)*"} fill string
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add-highlighter shared/kotlin/comment region /\* \*/ fill comment
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add-highlighter shared/kotlin/inline_documentation region /// $ fill documentation
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add-highlighter shared/kotlin/line_comment region // $ fill comment
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add-highlighter shared/kotlin/code/kotlin_annotations regex @\w+\b|\b\w+@(?=\{) 0:meta
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add-highlighter shared/kotlin/code/kotlin_identifiers regex \b(field|it)\b 1:variable
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add-highlighter shared/kotlin/code/kotlin_fields regex \.([A-Za-z_][\w]*)\s*?\. 1:type
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# As at 15 March 2021, kotlin_method see: https://regex101.com/r/Mhy4HG/1
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add-highlighter shared/kotlin/code/kotlin_methods regex ::([A-Za-z_][\w]*)|\.([A-Za-z_][\w]*)\s*?[\(\{]|\.([A-Za-z_][\w]*)[\s\)\}>](?=[^\(\{]) 1:function 2:function 3:function
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# Test suite functions: fun `this is a valid character function test`()
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add-highlighter shared/kotlin/code/kotlin_fun_tests regex ^\h*?fun\s*?`(.[^<>\[\]\\\.]+?)`\h*?(?=\() 1:default+uF
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add-highlighter shared/kotlin/code/kotlin_delimiters regex (\(|\)|\[|\]|\{|\}|\;|') 1:operator
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add-highlighter shared/kotlin/code/kotlin_operators regex (\+|-|\*|&|=|\\|\?|%|\|-|!|\||->|\.|,|<|>|:|\^|/) 1:operator
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add-highlighter shared/kotlin/code/kotlin_numbers regex \b((0(x|X)[0-9a-fA-F]*)|(([0-9]+\.?[0-9]*)|(\.[0-9]+))((e|E)(\+|-)?[0-9]+)?)([LlFf])?\b 0:value
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# Generics need improvement, as after a colon will match as a constant only.
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# val program: IOU = XXXX; val cat: DOG = XXXX. matches IOU or DOG as a
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# CONSTANT when it could be generics. See: https://regex101.com/r/VPO5LE/7
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add-highlighter shared/kotlin/code/kotlin_constants_and_generics regex ((?<==\h)\([A-Z][A-Z0-9_]+\b(?=[<:\;])|\b(?<!<)[A-Z][A-Z0-9_]+(?=[^>\)]))\b|\b((?<!=\s)(?<!\.)[A-Z]+\d*?(?![\(\;:])(?=[,\)>\s]))\b 1:meta 2:type
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add-highlighter shared/kotlin/code/kotlin_target regex @(delegate|field|file|get|param|property|receiver|set|setparam)(?=:) 0:meta
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add-highlighter shared/kotlin/code/kotlin_soft regex \b(by|catch|constructor|dynamic|finally|get|import|init|set|where)\b 1:keyword
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add-highlighter shared/kotlin/code/kotlin_hard regex \b(as|as\?|break|class|continue|do|else|false|for|fun|if|in|!in|interface|is|!is|null|object|package|return|super|this|throw|true|try|typealias|val|var|when|while)\b 1:keyword
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add-highlighter shared/kotlin/code/kotlin_modifier regex \b(actual|abstract|annotation|companion|const|crossinline|data|enum|expect|external|final|infix|inline|inner|internal|lateinit|noinline|open|operator|out|override|private|protected|public|reified|sealed|suspend|tailrec|vararg)\b(?=[\s\n]) 1:attribute
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add-highlighter shared/kotlin/code/kotlin_type regex \b(Annotation|Any|Boolean|BooleanArray|Byte|ByteArray|Char|Character|CharArray|CharSequence|Class|ClassLoader|Cloneable|Comparable|Compiler|DeprecationLevel|Double|DoubleArray|Enum|Float|FloatArray|Function|Int|IntArray|Integer|Lazy|LazyThreadSafetyMode|Long|LongArray|Math|Nothing|Number|Object|Package|Pair|Process|Runnable|Runtime|SecurityManager|Short|ShortArray|StackTraceElement|StrictMath|String|StringBuffer|System|Thread|ThreadGroup|ThreadLocal|Triple|Unit|Void)\b(?=[^<]) 1:type
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# Kdoc --------------------------------------------------------------------------------------------- #
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# ‾‾‾‾
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add-highlighter shared/kdoc group
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add-highlighter shared/kdoc/tag regex \*(?:\s+)?(@(author|constructor|exception|param|property|receiver|return|sample|see|since|suppress|throws))\b 1:default+ui
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# Discolour ---------------------------------------------------------------------------------------- #
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# ‾‾‾‾‾‾‾‾‾
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add-highlighter shared/kotlin/code/discolour regex ^(package|import)(?S)(.+) 2:default+fa
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# Commands ----------------------------------------------------------------------------------------- #
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# ‾‾‾‾‾‾‾‾
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define-command -hidden kotlin-insert-on-new-line %[
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# copy // comments prefix and following white spaces
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try %{ execute-keys -draft <semicolon><c-s>k<a-x> s ^\h*\K/{2,}\h* <ret> y<c-o>P<esc> }
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]
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define-command -hidden kotlin-indent-on-new-line %~
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evaluate-commands -draft -itersel %<
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# preserve previous line indent
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try %{ execute-keys -draft <semicolon>K<a-&> }
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# indent after lines ending with { or (
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try %[ execute-keys -draft k<a-x> <a-k> [{(]\h*$ <ret> j<a-gt> ]
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# cleanup trailing white spaces on the previous line
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try %{ execute-keys -draft k<a-x> s \h+$ <ret>d }
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# align to opening paren of previous line
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try %{ execute-keys -draft [( <a-k> \A\([^\n]+\n[^\n]*\n?\z <ret> s \A\(\h*.|.\z <ret> '<a-;>' & }
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# indent after a pattern match on when/where statements
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try %[ execute-keys -draft k<a-x> <a-k> ^\h*(when|where).*$ <ret> j<a-gt> ]
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# indent after term on an expression
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try %[ execute-keys -draft k<a-x> <a-k> =\h*?$ <ret> j<a-gt> ]
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# indent after keywords
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try %[ execute-keys -draft <semicolon><a-F>)MB <a-k> \A(catch|do|else|for|if|try|while)\h*\(.*\)\h*\n\h*\n?\z <ret> s \A|.\z <ret> 1<a-&>1<a-space><a-gt> ]
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# deindent closing brace(s) when after cursor
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try %[ execute-keys -draft <a-x> <a-k> ^\h*[})] <ret> gh / [})] <ret> m <a-S> 1<a-&> ]
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>
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~
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define-command -hidden kotlin-indent-on-opening-curly-brace %[
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# align indent with opening paren when { is entered on a new line after the closing paren
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try %[ execute-keys -draft -itersel h<a-F>)M <a-k> \A\(.*\)\h*\n\h*\{\z <ret> s \A|.\z <ret> 1<a-&> ]
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]
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define-command -hidden kotlin-indent-on-closing-curly-brace %[
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# align to opening curly brace when alone on a line
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try %[ execute-keys -itersel -draft <a-h><a-k>^\h+\}$<ret>hms\A|.\z<ret>1<a-&> ]
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]
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# Exceptions, Errors, and Types -------------------------------------------------------------------- #
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# ‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾
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# macro: 93le<a-;>i<ret><esc><esc>
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evaluate-commands %sh{
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kotlin_types='Annotation Any Boolean BooleanArray Byte ByteArray Char Character CharArray
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CharSequence Class ClassLoader Cloneable Comparable Compiler DeprecationLevel Double
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DoubleArray Enum Float FloatArray Function Int IntArray Integer Lazy LazyThreadSafetyMode
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Long LongArray Math Nothing Number Object Package Pair Process Runnable Runtime
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SecurityManager Short ShortArray StackTraceElement StrictMath String StringBuffer System
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Thread ThreadGroup ThreadLocal Triple Unit Void'
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# ------------------------------------------------------------------------------------------------ #
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kotlin_kdocs='author constructor exception param property receiver return sample see since suppress throws'
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# ------------------------------------------------------------------------------------------------ #
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kotlin_errors_exceptions='CharacterCodingException Error AssertionError NotImplementedError
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OutOfMemoryErrorIllegalCallableAccessException IllegalPropertyDelegateAccessException
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NoSuchPropertyException RuntimeException Throwable'
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# ------------------------------------------------------------------------------------------------ #
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join() { sep=$2; eval set -- $1; IFS="$sep"; echo "$*"; }
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# ------------------------------------------------------------------------------------------------ #
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printf %s\\n "declare-option str-list kotlin_static_words $(join "${kotlin_types} ${kotlin_kdocs} ${kotlin_errors_exceptions}" ' ')"
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# ------------------------------------------------------------------------------------------------ #
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printf %s\\n "add-highlighter shared/kotlin/code/kotlin_errors_exceptions regex \b($(join "${kotlin_errors_exceptions}" '|'))\b 0:type"
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}
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§
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# ------------------------------------------------------------------------------------------------- #
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