Daniel Hahler 9ef876f558 Use --text with grep
Without this the `grep -v` might stop with "Binary file tags matches" if
there's "binary" contents, e.g. with a (broken?) Vim view file.

Using `--text` will keep those lines and not stop here, corrupting the
tags file.
2016-04-09 15:22:10 +02:00
..
2016-04-09 15:22:10 +02:00