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runtime(doc): Correct shell command to get $VIMRUNTIME into shell

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The original shell command could set the VIMRUNTIME variable to an
invalid path.
    - since v9.0.0592 trailing spaces were typically added making the
      path invalid. (I observed that spaces were added if the length of
      the path wasn't equal to one less than an integer multiple of the
      number of display columns.)
    - newline character/s would be added, making the path invalid, if
      the path was longer than the number of display columns.

The new command is shorter than the original command.

closes: #15184

Signed-off-by: Shane Harper <shane@shaneharper.net>
Signed-off-by: Christian Brabandt <cb@256bit.org>
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Shane Harper 2024-07-08 20:59:33 +02:00 committed by Christian Brabandt
parent 5285b3cd29
commit b3c232215d
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1 changed files with 2 additions and 2 deletions
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runtime/doc/starting.txt
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@ -1,4 +1,4 @@
*starting.txt* For Vim version 9.1. Last change: 2024 Jul 04
*starting.txt* For Vim version 9.1. Last change: 2024 Jul 08
VIM REFERENCE MANUAL by Bram Moolenaar
@ -1257,7 +1257,7 @@ To change it later, use a ":let" command like this: >
In case you need the value of $VIMRUNTIME in a shell (e.g., for a script that
greps in the help files) you might be able to use this: >
VIMRUNTIME=`vim -e -T dumb --cmd 'exe "set t_cm=\<C-M>"|echo $VIMRUNTIME|quit' | tr -d '\015' `
VIMRUNTIME=$(vim -es '+put=$VIMRUNTIME|print|quit!')
Don't set $VIMRUNTIME to an empty value, some things may stop working.