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7
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1 " Vim syntax file
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2 " Language: Scheme (R5RS + some R6RS extras)
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3 " Last Change: 2012 May 13
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36
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4 " Maintainer: Sergey Khorev <sergey.khorev@gmail.com>
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17
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5 " Original author: Dirk van Deun <dirk@igwe.vub.ac.be>
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7
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6
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7 " This script incorrectly recognizes some junk input as numerals:
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8 " parsing the complete system of Scheme numerals using the pattern
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9 " language is practically impossible: I did a lax approximation.
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10
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11 " MzScheme extensions can be activated with setting is_mzscheme variable
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12
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13 " Suggestions and bug reports are solicited by the author.
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14
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15 " Initializing:
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16
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17 " For version 5.x: Clear all syntax items
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18 " For version 6.x: Quit when a syntax file was already loaded
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19 if version < 600
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20 syntax clear
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21 elseif exists("b:current_syntax")
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22 finish
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23 endif
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24
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25 let s:cpo_save = &cpo
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26 set cpo&vim
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27
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28 syn case ignore
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29
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30 " Fascist highlighting: everything that doesn't fit the rules is an error...
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31
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32 syn match schemeError ![^ \t()\[\]";]*!
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33 syn match schemeError ")"
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34
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35 " Quoted and backquoted stuff
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36
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37 syn region schemeQuoted matchgroup=Delimiter start="['`]" end=![ \t()\[\]";]!me=e-1 contains=ALLBUT,schemeStruc,schemeSyntax,schemeFunc
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38
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39 syn region schemeQuoted matchgroup=Delimiter start="['`](" matchgroup=Delimiter end=")" contains=ALLBUT,schemeStruc,schemeSyntax,schemeFunc
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40 syn region schemeQuoted matchgroup=Delimiter start="['`]#(" matchgroup=Delimiter end=")" contains=ALLBUT,schemeStruc,schemeSyntax,schemeFunc
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41
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42 syn region schemeStrucRestricted matchgroup=Delimiter start="(" matchgroup=Delimiter end=")" contains=ALLBUT,schemeStruc,schemeSyntax,schemeFunc
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43 syn region schemeStrucRestricted matchgroup=Delimiter start="#(" matchgroup=Delimiter end=")" contains=ALLBUT,schemeStruc,schemeSyntax,schemeFunc
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44
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45 " Popular Scheme extension:
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46 " using [] as well as ()
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47 syn region schemeStrucRestricted matchgroup=Delimiter start="\[" matchgroup=Delimiter end="\]" contains=ALLBUT,schemeStruc,schemeSyntax,schemeFunc
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48 syn region schemeStrucRestricted matchgroup=Delimiter start="#\[" matchgroup=Delimiter end="\]" contains=ALLBUT,schemeStruc,schemeSyntax,schemeFunc
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49
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50 syn region schemeUnquote matchgroup=Delimiter start="," end=![ \t\[\]()";]!me=e-1 contains=ALLBUT,schemeStruc,schemeSyntax,schemeFunc
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51 syn region schemeUnquote matchgroup=Delimiter start=",@" end=![ \t\[\]()";]!me=e-1 contains=ALLBUT,schemeStruc,schemeSyntax,schemeFunc
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52
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53 syn region schemeUnquote matchgroup=Delimiter start=",(" end=")" contains=ALL
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54 syn region schemeUnquote matchgroup=Delimiter start=",@(" end=")" contains=ALL
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55
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56 syn region schemeUnquote matchgroup=Delimiter start=",#(" end=")" contains=ALLBUT,schemeStruc,schemeSyntax,schemeFunc
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57 syn region schemeUnquote matchgroup=Delimiter start=",@#(" end=")" contains=ALLBUT,schemeStruc,schemeSyntax,schemeFunc
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58
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59 syn region schemeUnquote matchgroup=Delimiter start=",\[" end="\]" contains=ALL
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60 syn region schemeUnquote matchgroup=Delimiter start=",@\[" end="\]" contains=ALL
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61
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62 syn region schemeUnquote matchgroup=Delimiter start=",#\[" end="\]" contains=ALLBUT,schemeStruc,schemeSyntax,schemeFunc
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63 syn region schemeUnquote matchgroup=Delimiter start=",@#\[" end="\]" contains=ALLBUT,schemeStruc,schemeSyntax,schemeFunc
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64
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65 " R5RS Scheme Functions and Syntax:
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66
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67 if version < 600
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68 set iskeyword=33,35-39,42-58,60-90,94,95,97-122,126,_
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69 else
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70 setlocal iskeyword=33,35-39,42-58,60-90,94,95,97-122,126,_
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71 endif
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72
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73 syn keyword schemeSyntax lambda and or if cond case define let let* letrec
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74 syn keyword schemeSyntax begin do delay set! else =>
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75 syn keyword schemeSyntax quote quasiquote unquote unquote-splicing
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76 syn keyword schemeSyntax define-syntax let-syntax letrec-syntax syntax-rules
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77 " R6RS
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78 syn keyword schemeSyntax define-record-type fields protocol
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79
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80 syn keyword schemeFunc not boolean? eq? eqv? equal? pair? cons car cdr set-car!
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81 syn keyword schemeFunc set-cdr! caar cadr cdar cddr caaar caadr cadar caddr
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82 syn keyword schemeFunc cdaar cdadr cddar cdddr caaaar caaadr caadar caaddr
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83 syn keyword schemeFunc cadaar cadadr caddar cadddr cdaaar cdaadr cdadar cdaddr
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84 syn keyword schemeFunc cddaar cddadr cdddar cddddr null? list? list length
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85 syn keyword schemeFunc append reverse list-ref memq memv member assq assv assoc
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86 syn keyword schemeFunc symbol? symbol->string string->symbol number? complex?
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87 syn keyword schemeFunc real? rational? integer? exact? inexact? = < > <= >=
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88 syn keyword schemeFunc zero? positive? negative? odd? even? max min + * - / abs
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89 syn keyword schemeFunc quotient remainder modulo gcd lcm numerator denominator
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90 syn keyword schemeFunc floor ceiling truncate round rationalize exp log sin cos
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91 syn keyword schemeFunc tan asin acos atan sqrt expt make-rectangular make-polar
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92 syn keyword schemeFunc real-part imag-part magnitude angle exact->inexact
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93 syn keyword schemeFunc inexact->exact number->string string->number char=?
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94 syn keyword schemeFunc char-ci=? char<? char-ci<? char>? char-ci>? char<=?
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95 syn keyword schemeFunc char-ci<=? char>=? char-ci>=? char-alphabetic? char?
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96 syn keyword schemeFunc char-numeric? char-whitespace? char-upper-case?
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97 syn keyword schemeFunc char-lower-case?
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98 syn keyword schemeFunc char->integer integer->char char-upcase char-downcase
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99 syn keyword schemeFunc string? make-string string string-length string-ref
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100 syn keyword schemeFunc string-set! string=? string-ci=? string<? string-ci<?
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101 syn keyword schemeFunc string>? string-ci>? string<=? string-ci<=? string>=?
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102 syn keyword schemeFunc string-ci>=? substring string-append vector? make-vector
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103 syn keyword schemeFunc vector vector-length vector-ref vector-set! procedure?
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104 syn keyword schemeFunc apply map for-each call-with-current-continuation
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105 syn keyword schemeFunc call-with-input-file call-with-output-file input-port?
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106 syn keyword schemeFunc output-port? current-input-port current-output-port
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107 syn keyword schemeFunc open-input-file open-output-file close-input-port
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108 syn keyword schemeFunc close-output-port eof-object? read read-char peek-char
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109 syn keyword schemeFunc write display newline write-char call/cc
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110 syn keyword schemeFunc list-tail string->list list->string string-copy
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111 syn keyword schemeFunc string-fill! vector->list list->vector vector-fill!
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112 syn keyword schemeFunc force with-input-from-file with-output-to-file
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113 syn keyword schemeFunc char-ready? load transcript-on transcript-off eval
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114 syn keyword schemeFunc dynamic-wind port? values call-with-values
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115 syn keyword schemeFunc scheme-report-environment null-environment
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116 syn keyword schemeFunc interaction-environment
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117 " R6RS
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118 syn keyword schemeFunc make-eq-hashtable make-eqv-hashtable make-hashtable
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119 syn keyword schemeFunc hashtable? hashtable-size hashtable-ref hashtable-set!
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120 syn keyword schemeFunc hashtable-delete! hashtable-contains? hashtable-update!
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121 syn keyword schemeFunc hashtable-copy hashtable-clear! hashtable-keys
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122 syn keyword schemeFunc hashtable-entries hashtable-equivalence-function hashtable-hash-function
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123 syn keyword schemeFunc hashtable-mutable? equal-hash string-hash string-ci-hash symbol-hash
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124 syn keyword schemeFunc find for-all exists filter partition fold-left fold-right
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125 syn keyword schemeFunc remp remove remv remq memp assp cons*
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126
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127 " ... so that a single + or -, inside a quoted context, would not be
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128 " interpreted as a number (outside such contexts, it's a schemeFunc)
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129
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130 syn match schemeDelimiter !\.[ \t\[\]()";]!me=e-1
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131 syn match schemeDelimiter !\.$!
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132 " ... and a single dot is not a number but a delimiter
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133
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134 " This keeps all other stuff unhighlighted, except *stuff* and <stuff>:
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135
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136 syn match schemeOther ,[a-z!$%&*/:<=>?^_~+@#%-][-a-z!$%&*/:<=>?^_~0-9+.@#%]*,
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137 syn match schemeError ,[a-z!$%&*/:<=>?^_~+@#%-][-a-z!$%&*/:<=>?^_~0-9+.@#%]*[^-a-z!$%&*/:<=>?^_~0-9+.@ \t\[\]()";]\+[^ \t\[\]()";]*,
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138
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139 syn match schemeOther "\.\.\."
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140 syn match schemeError !\.\.\.[^ \t\[\]()";]\+!
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141 " ... a special identifier
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142
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143 syn match schemeConstant ,\*[-a-z!$%&*/:<=>?^_~0-9+.@]\+\*[ \t\[\]()";],me=e-1
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144 syn match schemeConstant ,\*[-a-z!$%&*/:<=>?^_~0-9+.@]\+\*$,
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145 syn match schemeError ,\*[-a-z!$%&*/:<=>?^_~0-9+.@]*\*[^-a-z!$%&*/:<=>?^_~0-9+.@ \t\[\]()";]\+[^ \t\[\]()";]*,
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146
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147 syn match schemeConstant ,<[-a-z!$%&*/:<=>?^_~0-9+.@]*>[ \t\[\]()";],me=e-1
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148 syn match schemeConstant ,<[-a-z!$%&*/:<=>?^_~0-9+.@]*>$,
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149 syn match schemeError ,<[-a-z!$%&*/:<=>?^_~0-9+.@]*>[^-a-z!$%&*/:<=>?^_~0-9+.@ \t\[\]()";]\+[^ \t\[\]()";]*,
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150
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151 " Non-quoted lists, and strings:
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152
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153 syn region schemeStruc matchgroup=Delimiter start="(" matchgroup=Delimiter end=")" contains=ALL
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154 syn region schemeStruc matchgroup=Delimiter start="#(" matchgroup=Delimiter end=")" contains=ALL
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155
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156 syn region schemeStruc matchgroup=Delimiter start="\[" matchgroup=Delimiter end="\]" contains=ALL
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157 syn region schemeStruc matchgroup=Delimiter start="#\[" matchgroup=Delimiter end="\]" contains=ALL
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158
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159 " Simple literals:
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160 syn region schemeString start=+\%(\\\)\@<!"+ skip=+\\[\\"]+ end=+"+ contains=@Spell
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161
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162 " Comments:
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163
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164 syn match schemeComment ";.*$" contains=@Spell
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165
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166
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167 " Writing out the complete description of Scheme numerals without
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168 " using variables is a day's work for a trained secretary...
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169
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170 syn match schemeOther ![+-][ \t\[\]()";]!me=e-1
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171 syn match schemeOther ![+-]$!
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172 "
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173 " This is a useful lax approximation:
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174 syn match schemeNumber "[-#+.]\=[0-9][-#+/0-9a-f@i.boxesfdl]*"
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175 syn match schemeError ![-#+0-9.][-#+/0-9a-f@i.boxesfdl]*[^-#+/0-9a-f@i.boxesfdl \t\[\]()";][^ \t\[\]()";]*!
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176
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177 syn match schemeBoolean "#[tf]"
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178 syn match schemeError !#[tf][^ \t\[\]()";]\+!
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179
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180 syn match schemeCharacter "#\\"
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181 syn match schemeCharacter "#\\."
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182 syn match schemeError !#\\.[^ \t\[\]()";]\+!
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183 syn match schemeCharacter "#\\space"
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184 syn match schemeError !#\\space[^ \t\[\]()";]\+!
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185 syn match schemeCharacter "#\\newline"
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186 syn match schemeError !#\\newline[^ \t\[\]()";]\+!
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187
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188 " R6RS
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189 syn match schemeCharacter "#\\x[0-9a-fA-F]\+"
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190
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191
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192 if exists("b:is_mzscheme") || exists("is_mzscheme")
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193 " MzScheme extensions
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194 " multiline comment
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195 syn region schemeComment start="#|" end="|#" contains=@Spell
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196
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197 " #%xxx are the special MzScheme identifiers
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198 syn match schemeOther "#%[-a-z!$%&*/:<=>?^_~0-9+.@#%]\+"
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199 " anything limited by |'s is identifier
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200 syn match schemeOther "|[^|]\+|"
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201
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202 syn match schemeCharacter "#\\\%(return\|tab\)"
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203
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204 " Modules require stmt
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205 syn keyword schemeExtSyntax module require dynamic-require lib prefix all-except prefix-all-except rename
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206 " modules provide stmt
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207 syn keyword schemeExtSyntax provide struct all-from all-from-except all-defined all-defined-except
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208 " Other from MzScheme
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209 syn keyword schemeExtSyntax with-handlers when unless instantiate define-struct case-lambda syntax-case
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210 syn keyword schemeExtSyntax free-identifier=? bound-identifier=? module-identifier=? syntax-object->datum
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211 syn keyword schemeExtSyntax datum->syntax-object
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212 syn keyword schemeExtSyntax let-values let*-values letrec-values set!-values fluid-let parameterize begin0
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213 syn keyword schemeExtSyntax error raise opt-lambda define-values unit unit/sig define-signature
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214 syn keyword schemeExtSyntax invoke-unit/sig define-values/invoke-unit/sig compound-unit/sig import export
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215 syn keyword schemeExtSyntax link syntax quasisyntax unsyntax with-syntax
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216
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217 syn keyword schemeExtFunc format system-type current-extension-compiler current-extension-linker
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218 syn keyword schemeExtFunc use-standard-linker use-standard-compiler
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219 syn keyword schemeExtFunc find-executable-path append-object-suffix append-extension-suffix
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220 syn keyword schemeExtFunc current-library-collection-paths current-extension-compiler-flags make-parameter
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221 syn keyword schemeExtFunc current-directory build-path normalize-path current-extension-linker-flags
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222 syn keyword schemeExtFunc file-exists? directory-exists? delete-directory/files delete-directory delete-file
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223 syn keyword schemeExtFunc system compile-file system-library-subpath getenv putenv current-standard-link-libraries
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224 syn keyword schemeExtFunc remove* file-size find-files fold-files directory-list shell-execute split-path
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225 syn keyword schemeExtFunc current-error-port process/ports process printf fprintf open-input-string open-output-string
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226 syn keyword schemeExtFunc get-output-string
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227 " exceptions
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228 syn keyword schemeExtFunc exn exn:application:arity exn:application:continuation exn:application:fprintf:mismatch
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229 syn keyword schemeExtFunc exn:application:mismatch exn:application:type exn:application:mismatch exn:break exn:i/o:filesystem exn:i/o:port
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230 syn keyword schemeExtFunc exn:i/o:port:closed exn:i/o:tcp exn:i/o:udp exn:misc exn:misc:application exn:misc:unsupported exn:module exn:read
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231 syn keyword schemeExtFunc exn:read:non-char exn:special-comment exn:syntax exn:thread exn:user exn:variable exn:application:mismatch
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232 syn keyword schemeExtFunc exn? exn:application:arity? exn:application:continuation? exn:application:fprintf:mismatch? exn:application:mismatch?
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233 syn keyword schemeExtFunc exn:application:type? exn:application:mismatch? exn:break? exn:i/o:filesystem? exn:i/o:port? exn:i/o:port:closed?
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234 syn keyword schemeExtFunc exn:i/o:tcp? exn:i/o:udp? exn:misc? exn:misc:application? exn:misc:unsupported? exn:module? exn:read? exn:read:non-char?
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235 syn keyword schemeExtFunc exn:special-comment? exn:syntax? exn:thread? exn:user? exn:variable? exn:application:mismatch?
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236 " Command-line parsing
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237 syn keyword schemeExtFunc command-line current-command-line-arguments once-any help-labels multi once-each
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238
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239 " syntax quoting, unquoting and quasiquotation
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240 syn region schemeUnquote matchgroup=Delimiter start="#," end=![ \t\[\]()";]!me=e-1 contains=ALL
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241 syn region schemeUnquote matchgroup=Delimiter start="#,@" end=![ \t\[\]()";]!me=e-1 contains=ALL
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242 syn region schemeUnquote matchgroup=Delimiter start="#,(" end=")" contains=ALL
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243 syn region schemeUnquote matchgroup=Delimiter start="#,@(" end=")" contains=ALL
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244 syn region schemeUnquote matchgroup=Delimiter start="#,\[" end="\]" contains=ALL
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245 syn region schemeUnquote matchgroup=Delimiter start="#,@\[" end="\]" contains=ALL
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246 syn region schemeQuoted matchgroup=Delimiter start="#['`]" end=![ \t()\[\]";]!me=e-1 contains=ALL
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247 syn region schemeQuoted matchgroup=Delimiter start="#['`](" matchgroup=Delimiter end=")" contains=ALL
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248 endif
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249
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26
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250
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251 if exists("b:is_chicken") || exists("is_chicken")
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36
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252 " multiline comment
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253 syntax region schemeMultilineComment start=/#|/ end=/|#/ contains=@Spell,schemeMultilineComment
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254
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255 syn match schemeOther "##[-a-z!$%&*/:<=>?^_~0-9+.@#%]\+"
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256 syn match schemeExtSyntax "#:[-a-z!$%&*/:<=>?^_~0-9+.@#%]\+"
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26
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257
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258 syn keyword schemeExtSyntax unit uses declare hide foreign-declare foreign-parse foreign-parse/spec
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259 syn keyword schemeExtSyntax foreign-lambda foreign-lambda* define-external define-macro load-library
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260 syn keyword schemeExtSyntax let-values let*-values letrec-values ->string require-extension
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261 syn keyword schemeExtSyntax let-optionals let-optionals* define-foreign-variable define-record
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262 syn keyword schemeExtSyntax pointer tag-pointer tagged-pointer? define-foreign-type
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263 syn keyword schemeExtSyntax require require-for-syntax cond-expand and-let* receive argc+argv
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264 syn keyword schemeExtSyntax fixnum? fx= fx> fx< fx>= fx<= fxmin fxmax
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26
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265 syn keyword schemeExtFunc ##core#inline ##sys#error ##sys#update-errno
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266
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267 " here-string
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268 syn region schemeString start=+#<<\s*\z(.*\)+ end=+^\z1$+ contains=@Spell
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269
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26
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270 if filereadable(expand("<sfile>:p:h")."/cpp.vim")
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271 unlet! b:current_syntax
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272 syn include @ChickenC <sfile>:p:h/cpp.vim
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273 syn region ChickenC matchgroup=schemeOther start=+(\@<=foreign-declare "+ end=+")\@=+ contains=@ChickenC
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274 syn region ChickenC matchgroup=schemeComment start=+foreign-declare\s*#<<\z(.*\)$+hs=s+15 end=+^\z1$+ contains=@ChickenC
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275 syn region ChickenC matchgroup=schemeOther start=+(\@<=foreign-parse "+ end=+")\@=+ contains=@ChickenC
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276 syn region ChickenC matchgroup=schemeComment start=+foreign-parse\s*#<<\z(.*\)$+hs=s+13 end=+^\z1$+ contains=@ChickenC
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277 syn region ChickenC matchgroup=schemeOther start=+(\@<=foreign-parse/spec "+ end=+")\@=+ contains=@ChickenC
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278 syn region ChickenC matchgroup=schemeComment start=+foreign-parse/spec\s*#<<\z(.*\)$+hs=s+18 end=+^\z1$+ contains=@ChickenC
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279 syn region ChickenC matchgroup=schemeComment start=+#>+ end=+<#+ contains=@ChickenC
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280 syn region ChickenC matchgroup=schemeComment start=+#>?+ end=+<#+ contains=@ChickenC
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281 syn region ChickenC matchgroup=schemeComment start=+#>!+ end=+<#+ contains=@ChickenC
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282 syn region ChickenC matchgroup=schemeComment start=+#>\$+ end=+<#+ contains=@ChickenC
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283 syn region ChickenC matchgroup=schemeComment start=+#>%+ end=+<#+ contains=@ChickenC
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284 endif
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285
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1619
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286 " suggested by Alex Queiroz
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2034
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287 syn match schemeExtSyntax "#![-a-z!$%&*/:<=>?^_~0-9+.@#%]\+"
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3513
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288 syn region schemeString start=+#<#\s*\z(.*\)+ end=+^\z1$+ contains=@Spell
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26
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289 endif
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290
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7
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291 " Synchronization and the wrapping up...
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292
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293 syn sync match matchPlace grouphere NONE "^[^ \t]"
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294 " ... i.e. synchronize on a line that starts at the left margin
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295
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296 " Define the default highlighting.
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297 " For version 5.7 and earlier: only when not done already
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298 " For version 5.8 and later: only when an item doesn't have highlighting yet
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299 if version >= 508 || !exists("did_scheme_syntax_inits")
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300 if version < 508
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301 let did_scheme_syntax_inits = 1
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302 command -nargs=+ HiLink hi link <args>
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303 else
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304 command -nargs=+ HiLink hi def link <args>
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305 endif
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306
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307 HiLink schemeSyntax Statement
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308 HiLink schemeFunc Function
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309
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310 HiLink schemeString String
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2034
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311 HiLink schemeCharacter Character
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7
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312 HiLink schemeNumber Number
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313 HiLink schemeBoolean Boolean
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314
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315 HiLink schemeDelimiter Delimiter
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26
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316 HiLink schemeConstant Constant
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7
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317
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318 HiLink schemeComment Comment
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17
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319 HiLink schemeMultilineComment Comment
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7
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320 HiLink schemeError Error
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321
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26
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322 HiLink schemeExtSyntax Type
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323 HiLink schemeExtFunc PreProc
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7
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324 delcommand HiLink
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325 endif
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326
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327 let b:current_syntax = "scheme"
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|
3356
|
328
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329 let &cpo = s:cpo_save
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330 unlet s:cpo_save
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