Why this error (source: see attachment) ?

chapter        : 1 Chapter 1
! Extra \fi.
<argument> \fi
               One line.
\doCountLines ...arlines \space L)\fi \endgroup #1
                                                  \par
l.35

Thanks,
Alan


On Tue, Mar 10, 2009 at 6:32 PM, Wolfgang Schuster <
schuster.wolfgang@googlemail.com> wrote:

>
> Am 10.03.2009 um 18:14 schrieb Alan Stone:
>
>  I still say it's not a very good idea to do this
>>>>
>>>> In order to make an informed decision, what are you refering to Wolfgang
>>>> ?
>>>>
>>>
>>> Your \EveryPar hackery.
>>>
>>
>> What is it about it that it's a bad idea ?
>>
>
> Who knows, it could work or fail in a few cases.
>
>  I apologize for my ignorance, I'm still confused with this one (see
>>> attachments)...
>>>
>>> Why?
>>>
>>
>> (step 3: ...) is typeset one first paragraph too far.
>>
>
> \def\doCountLines#1\par{%
>       \begingroup
>       \setbox\scratchbox\vbox{#1\par}%
>       \getnoflines{\htdp\scratchbox}%
>       \global\parlines=\noflines\relax
> %       (step 2: P\space\the\parnumber, \the\parlines\space L)
>       \ifnum \parlines = 1
>               (step 3: P\space \the\parnumber, \the\parlines\space L)%
>       \fi
>       \endgroup#1\par}
>
>
> Wolfgang
>