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7
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1 " Vim filetype plugin file
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2 " Language: man
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2034
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3 " Maintainer: SungHyun Nam <goweol@gmail.com>
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3082
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4 " Last Change: 2011 Jul 25
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7
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5
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6 " To make the ":Man" command available before editing a manual page, source
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7 " this script from your startup vimrc file.
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8
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9 " If 'filetype' isn't "man", we must have been called to only define ":Man".
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10 if &filetype == "man"
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11
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12 " Only do this when not done yet for this buffer
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13 if exists("b:did_ftplugin")
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14 finish
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15 endif
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16 let b:did_ftplugin = 1
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17
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2662
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18 " Ensure Vim is not recursively invoked (man-db does this)
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19 " when doing ctrl-[ on a man page reference.
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3082
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20 if exists("$MANPAGER")
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21 let $MANPAGER = ""
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22 endif
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2662
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23
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7
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24 " allow dot and dash in manual page name.
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25 setlocal iskeyword+=\.,-
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26
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27 " Add mappings, unless the user didn't want this.
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28 if !exists("no_plugin_maps") && !exists("no_man_maps")
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29 if !hasmapto('<Plug>ManBS')
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30 nmap <buffer> <LocalLeader>h <Plug>ManBS
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31 endif
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816
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32 nnoremap <buffer> <Plug>ManBS :%s/.\b//g<CR>:setl nomod<CR>''
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7
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33
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34 nnoremap <buffer> <c-]> :call <SID>PreGetPage(v:count)<CR>
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35 nnoremap <buffer> <c-t> :call <SID>PopPage()<CR>
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36 endif
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37
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38 endif
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39
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40 if exists(":Man") != 2
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41 com -nargs=+ Man call s:GetPage(<f-args>)
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42 nmap <Leader>K :call <SID>PreGetPage(0)<CR>
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43 endif
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44
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45 " Define functions only once.
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46 if !exists("s:man_tag_depth")
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47
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48 let s:man_tag_depth = 0
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49
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1623
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50 let s:man_sect_arg = ""
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51 let s:man_find_arg = "-w"
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52 try
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53 if !has("win32") && $OSTYPE !~ 'cygwin\|linux' && system('uname -s') =~ "SunOS" && system('uname -r') =~ "^5"
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54 let s:man_sect_arg = "-s"
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55 let s:man_find_arg = "-l"
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56 endif
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57 catch /E145:/
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58 " Ignore the error in restricted mode
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59 endtry
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7
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60
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61 func <SID>PreGetPage(cnt)
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62 if a:cnt == 0
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63 let old_isk = &iskeyword
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64 setl iskeyword+=(,)
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65 let str = expand("<cword>")
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66 let &l:iskeyword = old_isk
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67 let page = substitute(str, '(*\(\k\+\).*', '\1', '')
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68 let sect = substitute(str, '\(\k\+\)(\([^()]*\)).*', '\2', '')
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69 if match(sect, '^[0-9 ]\+$') == -1
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70 let sect = ""
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71 endif
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72 if sect == page
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73 let sect = ""
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74 endif
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75 else
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76 let sect = a:cnt
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77 let page = expand("<cword>")
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78 endif
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79 call s:GetPage(sect, page)
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80 endfunc
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81
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82 func <SID>GetCmdArg(sect, page)
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83 if a:sect == ''
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84 return a:page
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85 endif
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86 return s:man_sect_arg.' '.a:sect.' '.a:page
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87 endfunc
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88
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89 func <SID>FindPage(sect, page)
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90 let where = system("/usr/bin/man ".s:man_find_arg.' '.s:GetCmdArg(a:sect, a:page))
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91 if where !~ "^/"
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92 if matchstr(where, " [^ ]*$") !~ "^ /"
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93 return 0
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94 endif
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95 endif
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96 return 1
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97 endfunc
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98
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99 func <SID>GetPage(...)
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100 if a:0 >= 2
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101 let sect = a:1
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102 let page = a:2
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103 elseif a:0 >= 1
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104 let sect = ""
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105 let page = a:1
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106 else
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107 return
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108 endif
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109
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110 " To support: nmap K :Man <cword>
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111 if page == '<cword>'
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112 let page = expand('<cword>')
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113 endif
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114
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115 if sect != "" && s:FindPage(sect, page) == 0
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116 let sect = ""
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117 endif
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118 if s:FindPage(sect, page) == 0
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119 echo "\nCannot find a '".page."'."
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120 return
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121 endif
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122 exec "let s:man_tag_buf_".s:man_tag_depth." = ".bufnr("%")
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123 exec "let s:man_tag_lin_".s:man_tag_depth." = ".line(".")
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124 exec "let s:man_tag_col_".s:man_tag_depth." = ".col(".")
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125 let s:man_tag_depth = s:man_tag_depth + 1
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126
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127 " Use an existing "man" window if it exists, otherwise open a new one.
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128 if &filetype != "man"
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129 let thiswin = winnr()
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130 exe "norm! \<C-W>b"
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1125
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131 if winnr() > 1
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7
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132 exe "norm! " . thiswin . "\<C-W>w"
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133 while 1
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134 if &filetype == "man"
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135 break
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136 endif
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137 exe "norm! \<C-W>w"
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138 if thiswin == winnr()
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139 break
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140 endif
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141 endwhile
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142 endif
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1125
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143 if &filetype != "man"
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144 new
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145 setl nonu fdc=0
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146 endif
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7
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147 endif
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148 silent exec "edit $HOME/".page.".".sect."~"
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149 " Avoid warning for editing the dummy file twice
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816
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150 setl buftype=nofile noswapfile
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7
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151
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816
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152 setl ma
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7
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153 silent exec "norm 1GdG"
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154 let $MANWIDTH = winwidth(0)
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155 silent exec "r!/usr/bin/man ".s:GetCmdArg(sect, page)." | col -b"
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156 " Remove blank lines from top and bottom.
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157 while getline(1) =~ '^\s*$'
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158 silent norm ggdd
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159 endwhile
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160 while getline('$') =~ '^\s*$'
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161 silent norm Gdd
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162 endwhile
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163 1
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164 setl ft=man nomod
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165 setl bufhidden=hide
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166 setl nobuflisted
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167 endfunc
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168
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169 func <SID>PopPage()
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170 if s:man_tag_depth > 0
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171 let s:man_tag_depth = s:man_tag_depth - 1
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172 exec "let s:man_tag_buf=s:man_tag_buf_".s:man_tag_depth
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173 exec "let s:man_tag_lin=s:man_tag_lin_".s:man_tag_depth
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174 exec "let s:man_tag_col=s:man_tag_col_".s:man_tag_depth
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175 exec s:man_tag_buf."b"
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176 exec s:man_tag_lin
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177 exec "norm ".s:man_tag_col."|"
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178 exec "unlet s:man_tag_buf_".s:man_tag_depth
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179 exec "unlet s:man_tag_lin_".s:man_tag_depth
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180 exec "unlet s:man_tag_col_".s:man_tag_depth
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181 unlet s:man_tag_buf s:man_tag_lin s:man_tag_col
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182 endif
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183 endfunc
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184
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185 endif
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186
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187 " vim: set sw=2:
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