[openstreetmap/openstreetmap-website] Installation: `Error: invalid option: --with-xml2-config` (#2371)

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Sun Sep 22 17:11:23 UTC 2019

I am following https://github.com/openstreetmap/openstreetmap-website/blob/master/INSTALL.md#macosx

> Install libxml2: brew install libxml2 --with-xml2-config

Which causes the error below.
Could it be, that this option is only avaliable for `gem install libxml-ruby`?

Btw, if someone googels this error, for me I could install `libxml-ruby 3.1.0` after doing https://stackoverflow.com/a/52624622.


brew install libxml2 --with-xml2-config
Updating Homebrew...
==> Auto-updated Homebrew!
Updated 1 tap (homebrew/cask).
No changes to formulae.

Usage: brew install [options] formula

Install formula. Additional options specific to formula may be appended to
the command.

Unless HOMEBREW_NO_INSTALL_CLEANUP is set, brew cleanup will then be run for
the installed formulae or, every 30 days, for all formulae.

    -d, --debug                      If brewing fails, open an interactive
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                                     is passed, use superenv even if the formula
                                     specifies the standard build environment.
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        --only-dependencies          Install the dependencies with specified
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Error: invalid option: --with-xml2-config

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