Manual.md: document preserve variable

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maxice8 2018-08-27 18:04:04 -03:00
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@ -607,6 +607,12 @@ that contain Makefile.PL files that need to be processes for the package to work
used in the perl-module build_style and has no use outside of it.
Example: `perl_configure_dirs="blob/bob foo/blah"`
- `preserve` If set, files owned by the package in the system are not removed when
the package is updated, reinstalled or removed. This is mostly useful for kernel packages
that shouldn't remove the kernel files when they are removed in case it might break the
user's booting and module loading. Otherwise in the majority of cases it should not be
used.
<a id="explain_depends"></a>
#### About the many types of `depends` variable.