docs: update Tommy Gun link to forum

Also try new syn highlight code in POINT

Author: boriel

docs/external_resources.md

@@ -11,7 +11,7 @@ A free IDE created by [Tony Thompson](http://www.users.on.net/~tonyt73). This po
 generic 8-bit and 16-bit projects, and can be set up to be used with ZX Basic.
 Have a look at the [TommyGun files](https://sourceforge.net/projects/tommygun/files/) page.
 
-To integrate ZX Basic with Tommy Gun, please follow this [tutorial](http://www.boriel.com/forum/viewtopic.php?f=14&t=329&start=0).
+To integrate ZX Basic with Tommy Gun, please follow this [tutorial](https://www.boriel.com/forum/showthread.php?tid=110).
 
 ### SpectNet IDE
 A free and impressive IDE created by [Istvan Novak](https://github.com/Dotneteer).

docs/library/point.md

@@ -17,13 +17,13 @@ POINT is a library function to be included with the following command:
 
 
 ```
-# include <point.bas>
+#include <point.bas>
 ```
 
 ## Sample usage
 
-```basic
-# include <point.bas>
+```bbcbasic
+#include <point.bas>
 
 PLOT 10, 10
 PRINT "Point at (10, 10) is "; POINT(10, 10): REM 1