Update from upstream#1

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mitch000001 wants to merge 10 commits intogoruby:masterfrom

Commits on Dec 8, 2017

Fix panic 'integer divide by zero' when terminal width too low (#137)

fxaguessy
authored and
chzyer
committed
Fix ioloop groutine leaks bug. (#136)

nxsre
authored and
chzyer
committed

Commits on Jun 3, 2018

Modify the display width for Chinese characters and so on (#145)

Jim-wiselike
authored and
chzyer
committed

Commits on Apr 13, 2022

add go.mod and remove unnecessary dep
chzyer
committed

Commits on Apr 17, 2022

AIX support (#175)
Helflym
authored

Commits on Apr 18, 2022

Added 'os400' (#201)
derickr
authored

Commits on Apr 24, 2022

restore term when receive signal (#200)
chzyer
authored

Commits on May 20, 2022

Handle keypad mode cursor key escape sequences. (#203)
tpodowd
authored

Commits on Jul 15, 2022

fixing deadloop when input is filtered
chzyer
committed

Commits on Feb 25, 2025

Update readline-demo.go to remove deprecated io/ioutil (#242)
alewtschuk
authored