fconfigure $f -encoding ascii -buffering line -translation lf \
	     -buffersize 16
    puts -nonewline $f "abcdefg\nhijklmnopqrstuvwxyz"
    set x [list [contents $path(test1)]]
    close $f
    lappend x [contents $path(test1)]
} [list "abcdefg\nhijklmno" "abcdefg\nhijklmnopqrstuvwxyz"]
test io-3.9 {Write: flush line-buffered channels when crlf is split over two buffers} -body {
    # https://core.tcl-lang.org/tcllib/tktedit?name=c9d8a52fe
    set f [open $path(test1) w]
    fconfigure $f -buffering line -translation crlf -buffersize 8
    puts $f "1234567"
    string map {"\r" "<cr>" "\n" "<lf>"} [contents $path(test1)]
} -cleanup {
    close $f
} -result "1234567<cr><lf>"

test io-4.1 {TranslateOutputEOL: lf} {
    # search for \n

    set f [open $path(test1) w]
    fconfigure $f -buffering line -translation lf
    puts $f "abcde"