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authorAraq <rumpf_a@web.de>2018-09-03 12:09:14 +0200
committerAraq <rumpf_a@web.de>2018-09-03 12:09:14 +0200
commit6261309d1b329537d8b968c8d9a9d7ae0be36178 (patch)
treee8fed93c3cac8d22f42e2011665c991d3ccec3f7 /doc/nimc.rst
parent4e05bca96fb13780b98b2779db6382d7d35ed354 (diff)
downloadNim-6261309d1b329537d8b968c8d9a9d7ae0be36178.tar.gz
document the fact that --define symbols are completely case insensitive; closes #7506
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diff --git a/doc/nimc.rst b/doc/nimc.rst
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+++ b/doc/nimc.rst
@@ -143,6 +143,9 @@ which may be used in conjunction with the `compile time define
 pragmas<manual.html#implementation-specific-pragmas-compile-time-define-pragmas>`_
 to override symbols during build time.
 
+Compile time symbols are completely **case insensitive** and underscores are
+ignored too. ``--define:FOO`` and ``--define:foo`` are identical.
+
 
 Configuration files
 -------------------