[#BOOST_URL_COW_STRINGS]
= BOOST&lowbar;URL&lowbar;COW&lowbar;STRINGS
:mrdocs:

Define this to make the library tolerate libstdc&plus;&plus; copy&hyphen;on&hyphen;write strings&period;

== Synopsis

Declared in `&lt;https://www.github.com/boostorg/url/blob/develop/include/boost/url/detail/config.hpp#L227[boost&sol;url&sol;detail&sol;config&period;hpp]&gt;`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
#define BOOST&lowbar;URL&lowbar;COW&lowbar;STRINGS

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== Description

It is detected automatically for older libstdc&plus;&plus; ABIs&semi; define it yourself to force the behavior on&period;


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