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

[David Stacey]

On 19/09/15 13:10, Ken Brown wrote:
> 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.

I've just tried this on Fedora 22, and xpdf behaves exactly as the OP 
described.

I believe Cygwin's xpdf is behaving as intended.

Dave.


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