diff --git a/clang/docs/LanguageExtensions.rst b/clang/docs/LanguageExtensions.rst
--- a/clang/docs/LanguageExtensions.rst
+++ b/clang/docs/LanguageExtensions.rst
@@ -2407,7 +2407,17 @@
 ----------------
 Clang provides support for builtins forms of the following functions from the C
 standard library headers ``<stdio.h>``:
+* ``fprintf``
+* ``fscanf``
+* ``printf``
+* ``putchar``
 * ``puts``
+* ``scanf``
+* ``sprintf``
+* ``sscanf``
+* ``vfprintf``
+* ``vprintf``
+* ``vsprintf``
 
 Memory builtins
 ---------------
diff --git a/clang/test/Preprocessor/has_builtin.c b/clang/test/Preprocessor/has_builtin.c
--- a/clang/test/Preprocessor/has_builtin.c
+++ b/clang/test/Preprocessor/has_builtin.c
@@ -1,7 +1,6 @@
 // RUN: %clang_cc1 -verify -E %s
 // expected-no-diagnostics
 
-
 // TODO: fill out this file
 // Please sort by https://gcc.gnu.org/onlinedocs/gcc/Other-Builtins.html.