Malfunction appears to have solved itself. I rebooted to prior 'check point'.
Thank you for your effort

"Marvin Miles Lippincott" wrote:

Typing a sentence the space bar will function correctly for a space between
words. But will not advance more than one space to create more than one
space. Nor wil it duplicate 'll' in the word will unles I back space and
retype (which does not always work)

I have similar problem with back space key. If I wish to delete a word or
leter I must first high lite it.