docs: note when warning() was added

Followup for 1540e615f1.
7 years ago · 01ab4acf7f
parent 643d3a4976
commit 01ab4acf7f
1 changed files with 2 additions and 0 deletions
--- a/docs/markdown/Reference-manual.md
+++ b/docs/markdown/Reference-manual.md
@ -855,6 +855,8 @@ This function prints its argument to stdout.

 This function prints its argument to stdout prefixed with WARNING:.

+*Added 0.44.0*
+
 ### project()

 ``` meson