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1 " Vim syntax file
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2 " Language: Erlang (http://www.erlang.org)
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3 " Maintainer: Csaba Hoch <csaba.hoch@gmail.com>
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4 " Former Maintainer: Kreąimir Marľić (Kresimir Marzic) <kmarzic@fly.srk.fer.hr>
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5 " Last Update: 2013-Mar-07
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6 " License: Vim license
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7 " URL: https://github.com/hcs42/vim-erlang
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7
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8
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9 " Customization:
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10 "
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11 " There are two optional sets of highlighting:
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12 "
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13 " 1. The BIFs (built-in functions) are highlighted by default. To disable
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14 " this, put the following line in your vimrc:
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15 "
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16 " let g:erlang_highlight_bifs = 0
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17 "
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18 " 2. To enable highlighting some special atoms, put this in your vimrc:
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19 "
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20 " let g:erlang_highlight_special_atoms = 1
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21
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22 " For version 5.x: Clear all syntax items
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23 " For version 6.x: Quit when a syntax file was already loaded
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24 if version < 600
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25 syntax clear
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26 elseif exists("b:current_syntax")
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27 finish
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28 endif
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29
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30 " Case sensitive
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31 syn case match
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32
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33 if version >= 600
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34 setlocal iskeyword+=$,@-@
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35 endif
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36
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37 " Comments
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38 syn match erlangComment '%.*$' contains=erlangCommentAnnotation,erlangTodo
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39 syn match erlangCommentAnnotation ' \@<=@\%(clear\|docfile\|end\|headerfile\|todo\|TODO\|type\|author\|copyright\|doc\|reference\|see\|since\|title\|version\|deprecated\|hidden\|private\|equiv\|spec\|throws\)' contained
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40 syn match erlangCommentAnnotation /`[^']*'/ contained
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41 syn keyword erlangTodo TODO FIXME XXX contained
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42
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43 " Numbers (minimum base is 2, maximum is 36.)
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44 syn match erlangNumberInteger '\<\d\+\>'
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45 syn match erlangNumberInteger '\<\%([2-9]\|[12]\d\|3[0-6]\)\+#[[:alnum:]]\+\>'
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46 syn match erlangNumberFloat '\<\d\+\.\d\+\%([eE][+-]\=\d\+\)\=\>'
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47
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48 " Strings, atoms, characters
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49 syn region erlangString start=/"/ end=/"/ contains=erlangStringModifier
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50 syn region erlangQuotedAtom start=/'/ end=/'/ contains=erlangQuotedAtomModifier
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51 syn match erlangStringModifier '\~\a\|\\\%(\o\{1,3}\|x\x\x\|x{\x\+}\|\^.\|.\)' contained
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52 syn match erlangQuotedAtomModifier '\~\a\|\\\%(\o\{1,3}\|x\x\x\|x{\x\+}\|\^.\|.\)' contained
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53 syn match erlangModifier '\$\%([^\\]\|\\\%(\o\{1,3}\|x\x\x\|x{\x\+}\|\^.\|.\)\)'
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54
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55 " Operators
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56 syn match erlangOperator '==\|=:=\|/=\|=/=\|<\|=<\|>\|>=\|++\|--\|=\|!\|<-\|+\|-\|\*\|\/'
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57 syn keyword erlangOperator div rem or xor bor bxor bsl bsr and band not bnot andalso orelse
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58
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59 " Separators
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60 syn match erlangSeparator '(\|)\|{\|}\|\[\|]\||\|||\|;\|,\|?\|#'
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61 syn match erlangRightArrow '->'
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62
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63 " Functions call
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64 syn match erlangFCall '\<\%(\a[[:alnum:]@]*\s*\.\s*\)*\a[[:alnum:]@]*\s*:\s*\a[[:alnum:]@]*\>'
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65
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66 " Constants and Directives
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67 syn match erlangDirective '-\%(behaviour\|behavior\|compile\|define\|else\|endif\|export\|file\|ifdef\|ifndef\|import\|include_lib\|include\|module\|record\|undef\|author\|copyright\|doc\|vsn\|on_load\|export_type\)\>'
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68
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69 " Keywords
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70 syn keyword erlangKeyword after begin case catch cond end fun if let of query receive when try
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71 syn keyword erlangExtra true false
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72
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73
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74 if !exists("g:erlang_highlight_bifs") || g:erlang_highlight_bifs == 1
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75
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76 " build-in-functions (BIFs)
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77 syn keyword erlangBIF abs alive apply atom_to_binary atom_to_list binary_part binary_to_atom binary_to_existing_atom binary_to_float binary_to_integer bitstring_to_list binary_to_list binary_to_term bit_size byte_size check_old_code check_process_code concat_binary date delete_module demonitor disconnect_node element erase error exit float float_to_binary float_to_list garbage_collect get get_keys group_leader halt hd integer_to_binary integer_to_list iolist_to_binary iolist_size is_alive is_atom is_binary is_bitstring is_boolean is_float is_function is_integer is_list is_number is_pid is_port is_process_alive is_record is_reference is_tuple length link list_to_atom list_to_binary list_to_bitstring list_to_existing_atom list_to_float list_to_integer list_to_pid list_to_tuple load_module make_ref max min module_loaded monitor monitor_node node nodes now open_port pid_to_list port_close port_command port_connect pre_loaded process_flag process_flag process_info process purge_module put register registered round self setelement size spawn spawn_link spawn_monitor spawn_opt split_binary statistics term_to_binary throw time tl trunc tuple_size tuple_to_list unlink unregister whereis
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78
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79 endif
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80
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81
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82 if exists("g:erlang_highlight_special_atoms") && g:erlang_highlight_special_atoms == 1
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83
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84 " Processes
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85 syn keyword erlangProcess creation current_function dictionary
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86 syn keyword erlangProcess group_leader heap_size high initial_call
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87 syn keyword erlangProcess linked low memory_in_use message_queue
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88 syn keyword erlangProcess net_kernel node normal priority
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89 syn keyword erlangProcess reductions registered_name runnable
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90 syn keyword erlangProcess running stack_trace status timer
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91 syn keyword erlangProcess trap_exit waiting
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92
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93 " Ports
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94 syn keyword erlangPort command count_in count_out creation in
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95 syn keyword erlangPort in_format linked node out owner packeting
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96
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97 " Nodes
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98 syn keyword erlangNode atom_tables communicating creation
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99 syn keyword erlangNode current_gc current_reductions current_runtime
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100 syn keyword erlangNode current_wall_clock distribution_port
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101 syn keyword erlangNode entry_points error_handler friends
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102 syn keyword erlangNode garbage_collection magic_cookie magic_cookies
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103 syn keyword erlangNode module_table monitored_nodes name next_ref
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104 syn keyword erlangNode ports preloaded processes reductions
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105 syn keyword erlangNode ref_state registry runtime wall_clock
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106
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107 " Reserved
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108 syn keyword erlangReserved apply_lambda module_info module_lambdas
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109 syn keyword erlangReserved record record_index record_info
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110
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111 " Extras
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112 syn keyword erlangExtra badarg nocookie
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113
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114 " Signals
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115 syn keyword erlangSignal badsig kill killed exit normal
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116 endif
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117
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118 " Sync at the beginning of functions: if this is not used, multiline string
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119 " are not always recognized
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120 syn sync match erlangSync grouphere NONE "^[a-z]\s*("
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121
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122 " Define the default highlighting.
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123 " For version 5.7 and earlier: only when not done already
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124 " For version 5.8 and later: only when an item doesn't have highlighting yet
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125 if version >= 508 || !exists ("did_erlang_inits")
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126 if version < 508
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127 let did_erlang_inits = 1
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128 command -nargs=+ HiLink hi link <args>
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129 else
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130 command -nargs=+ HiLink hi def link <args>
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131 endif
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132
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133 " erlang_characters
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134 HiLink erlangComment Comment
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135 HiLink erlangCommentAnnotation Special
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136 HiLink erlangTodo Todo
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137 HiLink erlangSeparator Normal
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138 HiLink erlangOperator Operator
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139 HiLink erlangRightArrow Operator
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140
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141 HiLink erlangStartString String
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142 HiLink erlangString String
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143 HiLink erlangStringModifier Special
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144
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145 HiLink erlangStartQuotedAtom Type
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146 HiLink erlangQuotedAtom Type
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147 HiLink erlangQuotedAtomModifier Special
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148
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149 HiLink erlangNumberInteger Number
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150 HiLink erlangNumberFloat Float
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151 HiLink erlangNumberHex Number
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152
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153 HiLink erlangModifier Special
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154
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155 " erlang_functions
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156 HiLink erlangFCall Function
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157 HiLink erlangBIF Function
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158
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159 " erlang_keywords
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160 HiLink erlangDirective Type
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161 HiLink erlangKeyword Keyword
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162 HiLink erlangProcess Special
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163 HiLink erlangPort Special
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164 HiLink erlangNode Special
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165 HiLink erlangReserved Statement
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166 HiLink erlangExtra Statement
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167 HiLink erlangSignal Statement
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168
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169 delcommand HiLink
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170 endif
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171
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172
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173 let b:current_syntax = "erlang"
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174
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175 " vim: sw=2 et
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