- ** When \fIset\fP, the "hierarchy" of the sidebar entries will be shortened,
- ** e.g. de.alt.sysadmin.recovery becomes d.a.s.recovery.
+ ** When \fIset\fP, the "hierarchy" of the sidebar entries will be shortened
+ ** only if they cannot be printed in full length (because ``$$sidebar_width''
+ ** is set to a too low value). For example, if the newsgroup name
+ ** ``de.alt.sysadmin.recovery'' doesn't fit on the screen, it'll get shortened
+ ** ``d.a.s.recovery'' while ``de.alt.d0'' still would and thus will not get
+ ** shortened.