bug#4147: 23.1.50: Info-search command strange behaviour

[Juri Linkov]

>> This suggests to put navigation links and breadcrumbs in the header line
>> on two lines.  But when I tried to do this, the header line displays
>> ^J for the newline instead of displaying two lines.
>>
>> Is this a limitation of the Emacs display engine?
>
> I suppose you could cause some harm if you were able to work around that
> limitation ;-)

Just the opposite is true: this limitation causes harm to users ;-)

For example, tabbar.el that uses the header line is overwritten
by Info's header line.  But with more than one header line
they would be able to coexist peacefully.

-- 
Juri Linkov
http://www.jurta.org/emacs/