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xzless: Rename unused variables to silence static analysers.
In this particular case I don't see this affecting readability of the code. Thanks to Pavel Raiskup.
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@ -46,7 +46,7 @@ if test "${LESSMETACHARS+set}" != set; then
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LESSMETACHARS="$space$tab$nl'"';*?"()<>[|&^`#\$%=~'
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fi
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if test "$(less -V | { read less ver re && echo ${ver}; })" -ge 429; then
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if test "$(less -V | { read _ ver _ && echo ${ver}; })" -ge 429; then
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# less 429 or later: LESSOPEN pipe will be used on
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# standard input if $LESSOPEN begins with |-.
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LESSOPEN="|-$xz -cdfq -- %s"
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