[Bug 248772] sysutils/less: option "--mouse" breaks selecting/copying text in xterm.

[bugzilla-noreply at freebsd.org]

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=248772

            Bug ID: 248772
           Summary: sysutils/less: option "--mouse" breaks
                    selecting/copying text in xterm.
           Product: Ports & Packages
           Version: Latest
          Hardware: amd64
                OS: Any
            Status: New
          Severity: Affects Only Me
          Priority: ---
         Component: Individual Port(s)
          Assignee: ports-bugs at FreeBSD.org
          Reporter: ottavio2006-usenet2012 at yahoo.com
                CC: jharris at widomaker.com
             Flags: maintainer-feedback?(jharris at widomaker.com)
                CC: jharris at widomaker.com

% uname -a
FreeBSD FreeBSD 12.1-RELEASE-p8 FreeBSD 12.1-RELEASE-p8 GENERIC  amd64

I have installed less from ports:

% /usr/local/bin/less --version
less 551 (PCRE regular expressions)


Launching less with the "--mouse" option prevents selecting and copying text in
xterm compliant terminals by the usual left-down-clicking.

How to replicate:

1) Install less from ports

2) /usr/local/bin/less /var/log/messages.

   Select a block of text by left-down-clicking: this work

3) /usr/local/bin/less --mouse /var/log/messages

   Select a block of text by left-down-clicking: doesn't work.

Workaround: selecting a block of text by [SHIFT] + left-down-clicking: works,
but it is not expected behaviour.


Same thing happens if $PAGER is set to "/usr/local/bin/less --mouse".

My environment:

% setenv
USER=oc
LOGNAME=oc
HOME=/home/oc
SHELL=/bin/tcsh
BLOCKSIZE=K
MAIL=/var/mail/oc
PATH=/sbin:/bin:/usr/sbin:/usr/bin:/usr/local/sbin:/usr/local/bin:/home/oc/bin
TERM=xterm
HOSTTYPE=FreeBSD
VENDOR=amd
OSTYPE=FreeBSD
MACHTYPE=x86_64
SHLVL=1
PWD=/home/oc
GROUP=oc
HOST=FreeBSD
EDITOR=vi
PAGER=less
LESS=-i -m +Gg


Resetting $LESS to null doesn't solve the issue.

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