Code in a frame

example: https://www.devilived.com/2006/10/12/pcmagazinenov072006.html#comment

Have a look at this plugin? https://blog.igeek.info/wp-plugins/igsyntax-hiliter/

Here’s one example of how it might look: https://www.solo-technology.com/blog/2006/09/23/a-different-take-on-asides/

You can tweak CSS to get different looks, of course.

i thnink this is not what i am searching for, because this one is too difficult and “pimped” i think. what i need is just to display a code content, which is too wide, in a frame.