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doc: update the doc for the order of hooks

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Camille Dejoye 2020-06-13 12:46:57 +02:00
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doc/argwrap.txt
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@ -227,6 +227,18 @@ Global hooks will be executed before filetype ones.
Global and filetype hooks are sorted by the |globpath()| function. Meaning you
can control the execution order of the hooks by prefixing them with a
priority.
Post hooks order is reversed in order to keep the execution order logical.
For example if there two hooks named `000_cursor` and `200_anything` , the
cursor hook being responsible to preserve the cursor position it must be
executed first to ensure no modification of the cursor position has been done
yet so it receive the lowest priority.
The execution stack for a wrap operation would then be:
- `000_cursor#pre_wrap`
- `000_anything#pre_wrap`
- `wrap operation`
- `000_anything#post_wrap`
- `000_cursor#post_wrap`
An important things to know when writing a new hook is that calling an