xpdf zoom-in/out ("-"/"+") doesn't work after "z"/"w"

Ken Brown kbrown@cornell.edu
Sat Sep 19 12:10:00 GMT 2015

On 9/19/2015 1:24 AM, Csaba Raduly wrote:
> On Fri, Sep 18, 2015 at 10:37 PM, Ken Brown  wrote:
>> On 9/17/2015 1:08 AM, Paul wrote:
>>> After I press "z" to fit the page to the window, or "w" to fit the page
>>> width within the window, I'm finding that "-" & "+" is unresponsive.  I
>>> can
>>> get it responding again by first pression "0" to zoom to 125%, but I
>>> really
>>> hope that this is not necessary.  Is anyone else experiencing this?  I
>>> didn't use xpdf on this computer before, and just loaded the package
>>> tonight.
>> I can confirm this, but I'm not convinced it's a bug.  'man xpdf' says:
>>         0      Set the zoom factor to 125%.
>>         +      Zoom in (increment the zoom factor by 1).
>>         -      Zoom out (decrement the zoom factor by 1).
>>         z      Set the zoom factor to 'page' (fit page to window).
>>         w      Set the zoom factor to 'width' (fit page width to window).
>> If the zoom factor is 'page' or 'width', what would it mean to increment or
>> decrement the zoom factor by 1?
> One more/less than the zoom factor needed to achieve "fit page" or "fit width".

Sorry, I wasn't clear.  In the context of the manual entry, it's not 
obvious that the program author(s) intended zoom factors of 'page' and 
'width' to be subject to incrementing/decrementing.

I get the same impression from looking at the zoom box at the bottom of 
the screen: The choices are 400%, 200%, ..., 12.5%, "fit page", and "fit 
width".  So it seems quite possible that the program is behaving as 
designed.  There's also no reason to think that this is a bug in the 
Cygwin implementation of xpdf, unless the OP finds that it behaves 
differently on other systems.


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