$ cd blank

$ echo "#hashtag\n#multi-word tag#\n:colon-tag:" > note.md

# By default, only hashtags are enabled.
$ echo "" > .zk/config.toml
$ zk tag list
>hashtag (1)
>multi-word (1)
2>
2>Found 2 tags

# Disable hashtags.
$ echo "[format.markdown] hashtags = false" > .zk/config.toml
$ zk index -fq
$ zk tag list
2>
2>Found 0 tag

# Enable colon tags.
$ echo "[format.markdown] hashtags = false\n colon-tags = true" > .zk/config.toml
$ zk index -fq
$ zk tag list
>colon-tag (1)
2>
2>Found 1 tag

# Enable Bear multi-word tags.
$ echo "[format.markdown] multiword-tags = true" > .zk/config.toml
$ zk index -fq
$ zk tag list
>hashtag (1)
>multi-word tag (1)
2>
2>Found 2 tags

# Bear multi-word tags require hashtags to be enabled
$ echo "[format.markdown] hashtags = false\n multiword-tags = true" > .zk/config.toml
$ zk index -fq
$ zk tag list
2>
2>Found 0 tag