GitLab

NANO_HELP_KEY is pressed, so that we don't leave the prompt, enter the
help browser, and restart the prompt after leaving it; this will
properly preserve the cursor position after doing the last of these


git-svn-id: svn://svn.savannah.gnu.org/nano/trunk/nano@3289 35c25a1d-7b9e-4130-9fde-d3aeb78583b8