[#boost-urls-encoding_opts-lower_case]
= xref:boost.adoc[boost]::xref:boost/urls.adoc[urls]::xref:boost/urls/encoding_opts.adoc[encoding_opts]::lower_case
:relfileprefix: ../../../
:mrdocs:


True if hexadecimal digits are emitted as lower case

== Synopsis


Declared in `<https://www.github.com/boostorg/url/blob/develop/include/boost/url/encoding_opts.hpp#L57[boost/url/encoding_opts.hpp]>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
bool lower_case = false;
----

== Description


By default, percent‐encoding algorithms        emit hexadecimal digits A through F as        uppercase letters. When this option is        `true`, lowercase letters are used.





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