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[1.7.x] Fixed #22398 -- Added detail about callable in KEY_FUNCTION docs

Backport of 8da86fd from master
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arachnegl authored and charettes committed Apr 13, 2014
1 parent 9fb61cb commit f004374f8ff0ad30a694a0f4b74ba24ca9cf3227
Showing with 1 addition and 1 deletion.
  1. +1 −1 docs/ref/settings.txt
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@@ -189,7 +189,7 @@ backend class (i.e. ``mypackage.backends.whatever.WhateverCache``).
KEY_FUNCTION
~~~~~~~~~~~~
-A string containing a dotted path to a function that defines how to
+A string containing a dotted path to a function (or any callable) that defines how to
compose a prefix, version and key into a final cache key. The default
implementation is equivalent to the function::

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