Keywords should not consist entirely of
special characters.

	- #161
Fix the maximum number of Tags to be shown
	- #166

Previously, you could set a maximum font size for the
topic cloud. Now, instead, you can set what multiple of
the smallest font size the largest font size should
correspond to. To make this clearer, the tooltip has been
adjusted accordingly.

Closes #161

Ruben Bimberg authored 3 years ago and Klaus-Dieter Quibeldey-Cirkel committed 3 years ago

There was a problem when the
topic requirement was active, you could not
see that it was really active.

	- #161

There was a problem when the
topic requirement was active, you could not
see that it was really active.

[Ticket: #155]