Up to now, each new release of a DSSSL or XSL stylesheets had its corresponding RPM package but with the same name (docbook-style-dsssl resp. docbook-style-xsl). Therefore installing a new version would overwrite the previous one.

Another policy, based on new version numbering scheme, is to suffix the name with the version number minus the last dot (i.e. docbook-style-xsl-1.50) so that different versions with different public APIs could coexist on a single system.