I think it is because you may have a copy of the plugin in $VIMRUNTIME as well
as in your .vim folder. In this way, your .vim copy is sourced first (well,
according to 'rtp'), sets the g:plugin_name variable and when the $VIMRUNTIME
plugins are sourced, and it sees the variable and prevents loading that copy of
the plugin also.
regards,
Peter
--- Yakov Lerner <[EMAIL PROTECTED]> wrote:
> Almost every plugin begins with this check:
> if exists("g:plugin_name") | finish | endif
> let g:plugin_name = 1
> I understand this tries to save time if vim tries to load plugins 2nd time.
> But aren't plugins loaded only at vim startup ? Does vim *ever*
> ever try to load plugins 2nd time ? In which situation can vim load
> plugin 2nd time (except for some manual command) ?
>
> Yakov
>
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