[R-pkg-team] Bug#998030: r-cran-dt: Add xdg-open app open attempts as recommended

[Steffen Moeller]

Package: r-cran-dt
Version: 0.17+dfsg-3
Severity: minor
Tags: a11y

The command 

DT::datatable(data = inputSettings,
              extensions = 'FixedColumns',
              options = list(fixedColumns = TRUE,
                         scrollX = TRUE,
                         pageLength = 9,
                         dom = 't'))

stimulates

Set the BROWSER environment variable to your desired browser.

Warning: program returned non-zero exit code #256
/usr/bin/xdg-open: 882: www-browser: not found
/usr/bin/xdg-open: 882: links2: not found
/usr/bin/xdg-open: 882: elinks: not found
/usr/bin/xdg-open: 882: links: not found
/usr/bin/xdg-open: 882: lynx: not found
/usr/bin/xdg-open: 882: w3m: not found
xdg-open: no method available for opening '/tmp/RtmpGZs59M/viewhtmlba7f058dcace0/index.html'

which likely should affect the recommended packages.