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xzless: Fix less(1) version detection when it contains a dot.
Sometimes the version number from "less -V" contains a dot, sometimes not. xzless failed detect the version number when it does contain a dot. This fixes it. Thanks to nick87720z for reporting this. Apparently it had been reported here <https://bugs.gentoo.org/489362> in 2013.
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@ -47,7 +47,7 @@ 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 _ ver _ && 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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