[po4a_langs] up

[po4a_paths] list.pot $lang:$lang.po
[options] opt:"--msgmerge-opt --silent"

[type:asciidoc] input-1   up:output-1    add_up:add-1
[type:asciidoc] input-2   up:output-2    add_up:add-2
[type:asciidoc] input-3   up:output-3    add_up:add-3
[type:asciidoc] input-4   up:output-123  add_up:add-1 add_up:add-2 add_up:add-3
[type:asciidoc] input-5   up:output-list add_up:@add.list