Update the webpage (#2835)

JerryScript-DCO-1.0-Signed-off-by: László Langó llango.u-szeged@partner.samsung.com

10.EXT-REFERENCE-HANDLER.md

@@ -107,14 +107,14 @@ jerryx_handler_gc (const jerry_value_t func_obj_val, const jerry_value_t this_p,
 
 Provide a `print` implementation for scripts. The routine converts all of its
 arguments to strings and outputs them char-by-char using
-`jerryx_port_handler_print_char`. The NUL character is output as "\u0000",
+`jerry_port_print_char`. The NUL character is output as "\u0000",
 other characters are output bytewise.
 
 *Note*: This implementation does not use standard C `printf` to print its
 output. This allows more flexibility but also extends the core JerryScript
 engine port API. Applications that want to use `jerryx_handler_print` must
 ensure that their port implementation also provides
-`jerryx_port_handler_print_char`.
+`jerry_port_print_char`.
 
 **Prototype**
 
@@ -134,7 +134,7 @@ jerryx_handler_print (const jerry_value_t func_obj_val, const jerry_value_t this
 **See also**
 
 - [jerryx_handler_register_global](#jerryx_handler_register_global)
-- [jerryx_port_handler_print_char](#jerryx_port_handler_print_char)
+- [jerry_port_print_char](05.PORT-API.md#jerry_port_print_char)
 
 
 # Handler registration helper
@@ -194,38 +194,3 @@ register_common_functions (void)
   jerry_release_value (ret);
 }
 ```
-
-
-# Port API extension
-
-## jerryx_port_handler_print_char
-
-**Summary**
-
-Print a single character.
-
-**Prototype**
-
-```c
-void
-jerryx_port_handler_print_char (char c);
-```
-
-- `c` - the character to print.
-
-**Example**
-
-```c
-/**
- * Print a character to stdout with printf.
- */
-void
-jerryx_port_handler_print_char (char c)
-{
-  printf ("%c", c);
-} /* jerryx_port_handler_print_char */
-```
-
-**See also**
-
-- [jerryx_handler_print](#jerryx_handler_print)