gustavonihei opened a new pull request #734:
URL: https://github.com/apache/incubator-nuttx-apps/pull/734
## Summary
This PR intends to provide a fix to readline command history when the top
(i.e. last issued) command is issued twice.
Steps to reproduce the issue:
```shell
NuttShell (NSH) NuttX-10.1.0-RC1
nsh> ls # Issued the ls command
/:
dev/
proc/
nsh> pwd # Issued the pwd command
/
nsh> pwd # UP key pressed here, pwd shown as expected
/
nsh> ls # UP key pressed again, ls erroneously shown
```
## Impact
NSH with `CONFIG_READLINE_CMD_HISTORY` enabled.
## Testing
Reproduced the issue with `sim:nsh` and checked that the provided patch
fixes the issue.
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