an empty string isn't a valid number
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@ -137,7 +137,7 @@ static void launch_url(const char *text, search_panel_info *info) {
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errno = 0;
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unsigned long id = strtoul(text, &end, 10);
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if (!errno && *end == '\0' && id < info->url_list.size()) {
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if (!errno && end != text && *end == '\0' && id < info->url_list.size()) {
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browser_cmd[1] = info->url_list[id].url;
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g_spawn_async(NULL, (char **)browser_cmd, NULL, G_SPAWN_SEARCH_PATH, NULL, NULL, NULL, NULL);
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} else {
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