I had this, it seems to be to do with the jdk version. I had jdk 11 working fine but jdk 13 having the issue.
On Thu, 28 May 2020, 17:02 HRH, <hrh...@yahoo.com.invalid> wrote: > Hi, > > Today, I noticed that the line numbers in the source code pane of the IDE > suddenly had disappeared, even though View->Show Line numbers were checked. > Closed and re-opened the source, the line numbering re-appeared. There > might be an intermittent bug somewhere in NB 12 Beta 4. As I reported > yesterday, the spell-checking functionality does not prompt correct > spelling either (I thought Alt+Enter was supposed to prompt suggested > correct spellings). > > Thanks >
