Noted that the module is new in version 2.5.

diff --git a/Doc/lib/libfunctional.tex b/Doc/lib/libfunctional.tex
index c092d6d4f4d0cb3fe118716742249c035a538f52..fa8ef460bf3da2a93c1cdebfa1d396a0586293cf 100644 (file)
--- a/Doc/lib/libfunctional.tex
+++ b/Doc/lib/libfunctional.tex
@@ -9,6 +9,7 @@
 
 \modulesynopsis{Higher-order functions and operations on callable objects.}
 
+\versionadded{2.5}
 
 The \module{functional} module is for higher-order functions: functions
 that act on or return other functions. In general, any callable object can