Merge branch 'develop' into 'feature/user-guide-cleanup'
diff --git a/user_guide_src/source/general/common_functions.rst b/user_guide_src/source/general/common_functions.rst
index e2536de..c466ca0 100644
--- a/user_guide_src/source/general/common_functions.rst
+++ b/user_guide_src/source/general/common_functions.rst
@@ -171,4 +171,9 @@
It is useful if you want to check for the availability of functions
such as ``eval()`` and ``exec()``, which are dangerous and might be
- disabled on servers with highly restrictive security policies.
\ No newline at end of file
+ disabled on servers with highly restrictive security policies.
+
+ .. note:: This function was introduced because Suhosin terminated
+ script execution, but this turned out to be a bug. A fix
+ has been available for some time (version 0.9.34), but is
+ unfortunately not released yet.
\ No newline at end of file