Support proper %g, %f, and %a float formatting

See #61
See #104

libc/stdio/printf.c

@@ -58,7 +58,7 @@
  *   This means it implies the quoting modifier, wraps the value with
  *   {,u,L}['"] quotes, displays NULL as "NULL" rather than "(null)".
  *
- * @see palandprintf() for intuitive reference documentation
+ * @see __fmt() for intuitive reference documentation
  * @see {,v}{,s{,n},{,{,x}as},f,d}printf
  */
 int(printf)(const char* fmt, ...) {