Merge pull request #49 from golang/master

[pull] master from golang:master

Author: pull[bot]

src/fmt/doc.go

@@ -299,6 +299,16 @@ occurred. If the panic is caused by a nil receiver to an Error,
 String, or GoString method, however, the output is the undecorated
 string, "<nil>".
 
+Many packages whose APIs involve string formatting expose a trio of
+functions similar to [Print], [Printf], and [Println].
+For example, the [log.Print], [log.Printf] and [log.Println] functions
+forward their arguments to the corresponding functions in this package.
+To avoid confusion, other wrapper functions should follow the naming
+and behavioral conventions established by this package.
+In particular, a single function should not choose between literal
+printing (like [Print]) and formatted printing (like [Printf])
+based on the number of arguments; instead, provide separate functions.
+
 # Scanning
 
 An analogous set of functions scans formatted text to yield