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Display sane output for empty descriptions

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According to its man page, the function gettext(3)
"may return a nonempty string" when msgid is "".

This commit fixes a bug where the comment ""
for some settings caused gettext to return a
"nonempty string", in this case header info of the
po file.
This commit is contained in:
est31 2015-10-18 02:18:10 +02:00
parent c4d1862344
commit f3d82567c9
1 changed files with 11 additions and 3 deletions
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10
builtin/mainmenu/tab_settings.lua
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@ -234,7 +234,15 @@ local function create_change_setting_formspec(dialogdata)
formspec = formspec .. ",,"
for _, comment_line in ipairs(fgettext_ne(setting.comment):split("\n")) do
local comment_text = ""
-- fgettext_ne("") doesn't have to return "", according to specification of gettext(3)
if setting.comment == "" then
comment_text = fgettext_ne("(No description of setting given)")
else
comment_text = fgettext_ne(setting.comment)
end
for _, comment_line in ipairs(comment_text:split("\n")) do
formspec = formspec .. "," .. core.formspec_escape(comment_line) .. ","
end