Fix for zsh completion
Fix for zsh completion

The notion of "current word" is off-by-one from bash completion's
COMP_CWORD environ.

kimshinelove/naver-npm,thomblake/npm,misterbyrne/npm,kriskowal/npm,princeofdarkness76/npm,rsp/npm,DaveEmmerson/npm,TimeToogo/npm,rsp/npm,Volune/npm,chadnickbok/npm,DIREKTSPEED-LTD/npm,yibn2008/npm,princeofdarkness76/npm,evocateur/npm,cchamberlain/npm,Volune/npm,DaveEmmerson/npm,evanlucas/npm,evanlucas/npm,rsp/npm,haggholm/npm,Volune/npm,haggholm/npm,evocateur/npm,haggholm/npm,segment-boneyard/npm,yodeyer/npm,xalopp/npm,evanlucas/npm,misterbyrne/npm,evocateur/npm,chadnickbok/npm,cchamberlain/npm,ekmartin/npm,segrey/npm,xalopp/npm,segmentio/npm,kimshinelove/naver-npm,ekmartin/npm,cchamberlain/npm-msys2,xalopp/npm,cchamberlain/npm,lxe/npm,cchamberlain/npm-msys2,kemitchell/npm,misterbyrne/npm,segmentio/npm,segment-boneyard/npm,TimeToogo/npm,thomblake/npm,DIREKTSPEED-LTD/npm,kemitchell/npm,princeofdarkness76/npm,midniteio/npm,midniteio/npm,yibn2008/npm,yodeyer/npm,DaveEmmerson/npm,lxe/npm,segmentio/npm,yyx990803/npm,kriskowal/npm,yyx990803/npm,chadnickbok/npm,kemitchell/npm,yyx990803/npm,TimeToogo/npm,ekmartin/npm,DIREKTSPEED-LTD/npm,thomblake/npm,cchamberlain/npm-msys2,segment-boneyard/npm,yodeyer/npm,midniteio/npm,kimshinelove/naver-npm,lxe/npm,segrey/npm,yibn2008/npm,kriskowal/npm,segrey/npm