This is a discussion about the submission for Election Results / Brazil.
There is not much to comment about this submission except for how knowledgeable the submitter appears to be about the subject matter (much more so than I am, for sure 
).
Other than that, I think the file format should be considered as CSV, instead of TXT. Although the file extensions are TXT, the data, as described in the accompanying documentation, is separated by semicolons, and lines are line breaks. It is by all means openable on a spreadsheet processor such as Calc or Excel.
As for the questions about licensing, yes, the legal terms that data users are subject to must be completely clear, and allow for any kind of usage, for some data to be considered open data. See the Open Definition. In regard to the present case, there is no explicit licensing information provided. One could argue that it is in the public domain, as it is completely factual and thus not qualify for copyright protection under Brazilian Law 9.610/1998 (Article 7, XIII). The legal text says that databases are only protected when they “by their selection, organization or content disposition, constitute an intellectual creation”. That is clearly not the case with this data.