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1 *if_ole.txt* For Vim version 7.0aa. Last change: 2004 Dec 09
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4 VIM REFERENCE MANUAL by Paul Moore
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7 The OLE Interface to Vim *ole-interface*
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8
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9 1. Activation |ole-activation|
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10 2. Methods |ole-methods|
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11 3. The "normal" command |ole-normal|
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12 4. Registration |ole-registration|
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13 5. MS Visual Studio integration |MSVisualStudio|
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14
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15 {Vi does not have any of these commands}
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16
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17 OLE is only available when compiled with the |+ole| feature. See
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18 src/if_ole.INSTALL.
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19 An alternative is using the client-server communication |clientserver|.
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20
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21 ==============================================================================
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22 1. Activation *ole-activation*
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23
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24 Vim acts as an OLE automation server, accessible from any automation client,
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25 for example, Visual Basic, Python, or Perl. The Vim application "name" (its
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26 "ProgID", in OLE terminology) is "Vim.Application".
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27
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28 Hence, in order to start a Vim instance (or connect to an already running
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29 instance), code similar to the following should be used:
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30
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31 [Visual Basic] >
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32 Dim Vim As Object
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33 Set Vim = CreateObject("Vim.Application")
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34
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35 [Python] >
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36 from win32com.client.dynamic import Dispatch
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37 vim = Dispatch('Vim.Application')
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38
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39 [Perl] >
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40 use Win32::OLE;
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41 $vim = new Win32::OLE 'Vim.Application';
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42
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43 Vim does not support acting as a "hidden" OLE server, like some other OLE
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44 Automation servers. When a client starts up an instance of Vim, that instance
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45 is immediately visible. Simply closing the OLE connection to the Vim instance
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46 is not enough to shut down the Vim instance - it is necessary to explicitly
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47 execute a quit command (for example, :qa!, :wqa).
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48
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49 ==============================================================================
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50 2. Methods *ole-methods*
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51
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52 Vim exposes four methods for use by clients.
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53
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54 *ole-sendkeys*
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55 SendKeys(keys) Execute a series of keys.
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56
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57 This method takes a single parameter, which is a string of keystrokes. These
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58 keystrokes are executed exactly as if they had been types in at the keyboard.
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59 Special keys can be given using their <..> names, as for the right hand side
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60 of a mapping. Note: Execution of the Ex "normal" command is not supported -
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61 see below |ole-normal|.
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62
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63 Examples (Visual Basic syntax) >
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64 Vim.SendKeys "ihello<Esc>"
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65 Vim.SendKeys "ma1GV4jy`a"
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66
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67 These examples assume that Vim starts in Normal mode. To force Normal mode,
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68 start the key sequence with CTRL-\ CTRL-N as in >
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69
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70 Vim.SendKeys "<C-\><C-N>ihello<Esc>"
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71
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72 CTRL-\ CTRL-N returns Vim to Normal mode, when in Insert or Command-line mode.
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73 Note that this doesn't work halfway a Vim command
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74
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75 *ole-eval*
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76 Eval(expr) Evaluate an expression.
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77
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78 This method takes a single parameter, which is an expression in Vim's normal
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79 format (see |expression|). It returns a string, which is the result of
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80 evaluating the expression.
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81
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82 Examples (Visual Basic syntax) >
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83 Line20 = Vim.Eval("getline(20)")
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84 Twelve = Vim.Eval("6 + 6") ' Note this is a STRING
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85 Font = Vim.Eval("&guifont")
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86 <
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87 *ole-setforeground*
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88 SetForeground() Make the Vim window come to the foreground
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89
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90 This method takes no arguments. No value is returned.
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91
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92 Example (Visual Basic syntax) >
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93 Vim.SetForeground
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94 <
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95
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96 *ole-gethwnd*
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97 GetHwnd() Return the handle of the Vim window.
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98
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99 This method takes no arguments. It returns the hwnd of the main Vimwindow.
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100 You can use this if you are writing something which needs to manipulate the
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101 Vim window, or to track it in the z-order, etc.
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102
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103 Example (Visual Basic syntax) >
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104 Vim_Hwnd = Vim.GetHwnd
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105 <
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106
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107 ==============================================================================
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108 3. The "normal" command *ole-normal*
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109
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110 Due to the way Vim processes OLE Automation commands, combined with the method
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111 of implementation of the ex command :normal, it is not possible to execute the
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112 :normal command via OLE automation. Any attempt to do so will fail, probably
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113 harmlessly, although possibly in unpredictable ways.
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114
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115 There is currently no practical way to trap this situation, and users must
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116 simply be aware of the limitation.
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117 ==============================================================================
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118 4. Registration *ole-registration* *E243*
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119
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120 Before Vim will act as an OLE server, it must be registered in the system
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121 registry. In order to do this, Vim should be run with a single parameter of
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122 "-register".
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123 *-register* >
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124 gvim -register
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125
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126 If gvim with OLE support is run and notices that no Vim OLE server has been
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127 registered, it will present a dialog and offers you the choice to register by
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128 clicking "Yes".
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129
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130 In some situations registering is not possible. This happens when the
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131 registry is not writable. If you run into this problem you need to run gvim
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132 as "Administrator".
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133
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134 Once vim is registered, the application path is stored in the registry. Before
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135 moving, deleting, or upgrading Vim, the registry entries should be removed
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136 using the "-unregister" switch.
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137 *-unregister* >
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138 gvim -unregister
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139
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140 The OLE mechanism will use the first registered Vim it finds. If a Vim is
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141 already running, this one will be used. If you want to have (several) Vim
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142 sessions open that should not react to OLE commands, use the non-OLE version,
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143 and put it in a different directory. The OLE version should then be put in a
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144 directory that is not in your normal path, so that typing "gvim" will start
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145 the non-OLE version.
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146
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147 *-silent*
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148 To avoid the message box that pops up to report the result, prepend "-silent":
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149 >
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150 gvim -silent -register
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151 gvim -silent -unregister
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152
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153 ==============================================================================
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154 5. MS Visual Studio integration *MSVisualStudio* *VisVim*
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155
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156 The OLE version can be used to run Vim as the editor in Microsoft Visual
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157 Studio. This is called "VisVim". It is included in the archive that contains
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158 the OLE version. The documentation can be found in the runtime directory, the
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159 README_VisVim.txt file.
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160
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161
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162 Using Vim with Visual Studio .Net~
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163
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164 With .Net you no longer really need VisVim, since .Net studio has support for
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165 external editors. Follow these directions:
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166
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167 In .Net Studio choose from the menu Tools->External Tools...
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168 Add
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169 Title - Vim
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170 Command - c:\vim\vim63\gvim.exe
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171 Arguments - --servername VS_NET --remote-silent "+call cursor($(CurLine), $(CurCol))" $(ItemPath)
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172 Init Dir - Empty
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173
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174 Now, when you open a file in .Net, you can choose from the .Net menu:
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175 Tools->Vim
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176
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177 That will open the file in Vim.
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178 You can then add this external command as an icon and place it anywhere you
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179 like. You might also be able to set this as your default editor.
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180
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181 If you refine this further, please post back to the Vim maillist so we have a
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182 record of it.
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183
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184 --servername VS_NET
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185 This will create a new instance of vim called VS_NET. So if you open multiple
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186 files from VS, they will use the same instance of Vim. This allows you to
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187 have multiple copies of Vim running, but you can control which one has VS
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188 files in it.
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189
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190 --remote-silent "+call cursor(10, 27)"
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191 - Places the cursor on line 10 column 27
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192 In Vim >
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193 :h --remote-silent for mor details
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194
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195 [.Net remarks provided by Dave Fishburn and Brian Sturk]
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196
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197 ==============================================================================
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198 vim:tw=78:ts=8:ft=help:norl:
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