Rescue if tigetstr(capname) cannot be obtained #385
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fix ruby#384 If `$TERM` is `vt102`, there are no `kend`, `khome`, `civis`, or `cnorm` in capabilities. `TerminfoError` is raised in `Reline::Terminfo.tigetstr(capname)`, so it is rescued if it does not exist.
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fix #384
If
$TERMisvt102, there are nokend,khome,civis, orcnormin capabilities.TerminfoErroris raised inReline::Terminfo.tigetstr(capname), so it is rescued if it does not exist.