Syntax error: tag_distro_num="${tag_distro_num_all%{*}"

This line (2546) has a syntax error:

```sh
tag_distro_num="${tag_distro_num_all%{*}"
```

The first key should be closed at the end:

```sh
                                        v
tag_distro_num="${tag_distro_num_all%{*}}"
```
