I'm working with RichTextFx's CodeArea to highlight custom mini language code. Now while executing this code I want to show a small arrow in front of current executed line. I know the specific li...

I have a spell checker demo here, visually it is exactly what I want (red underline for words that are not correct), but I'm having trouble creating a right-click context menu to apply suggestions....

How can I use RichTextFX to highlight a portion of a textarea? Do I need to add the JAR file to my project library? Please walk me through the whole procedure .