johnsonjh/OpenVi 7.5.29 on GitHub

Changes since 7.5.28

Support building natively on OS/400
- Verified using PASE for IBM i 7.5 with GCC 10.5 and ncurses 6.0 packages
Add a new output level, M_XINFO, which outputs an informational message and ignores the state of the verbose and silent flags
Show version command output even in ex silent mode; closes GitHub Issue #38
Update the usage help text to document the new -C option
Minor changes to xinstall.c to appease Oracle Lint warnings
Consistently use .Dq for double-quoting in man pages
Fix various spelling errors and typos, mostly in comments
Increase buf size