At 06:49 PM 10/26/2001 +0200, you wrote:
> The reason of this email is that now a new problem appeared. When
> compiling an interactive document (which compiled fine until now), I
> get a lot of warnings like the following:
>
>! pdfTeX warning (ext4): destination with the same identifier (name{page:1})
>has been already used, duplicate ignored
i already (tried) to solve this, this is a temp hack to keep acro 5 happy
(esp when one optimizes files), i'm awaiting a pdftex extension with access
to page-object-numbers (i'm discussing this with thanh).
>And the interactive buttons which used these labels disappeared from
>the PDF output. These buttons were defined with:
>
>\startinteractionmenu[right]
> \but[Adding] How to add\\
> \but[Exa1] Example 1\\
> \but[Exa2] Example 2\\
> \but[Remarks] Remarks\\
> \vfill
> \but[CloseDocument] QUIT\\
>\stopinteractionmenu
>
>Only the last button still appears in the output. The others, still
>have their backgrounds, but no text is visible nor clickable.
you can influence the appearance of jumps to the current page with the
"samepage" key and unknown destinations with the "unknownreference" key.
btw, the following code should be in spec-fdf.tex
\def\doPDFstartgotorealpage#1#2#3#4#5% watch the R append trick
{\bgroup
\doifelsenothing{#3}
{\scratchcounter=0#5\relax
\ifnum\scratchcounter>0
\advance\scratchcounter -1 % pdf starts numbering at zero
\doifelsenothing{#4}
{\let\PDFfile\empty}
{\doifparentfileelse{#4}
{\let\PDFfile\empty}
{\setreferencefilename#4.\locationfilesuffix\to\PDFfile
\edef\PDFfile{R /F (\PDFfile)\PDFgotonewwindow}}}%
\ifx\PDFfile\empty
\ifovercomePDFpage % a named page ref
\edef\PDFdestination{(page:\the\scratchcounter)}%
\else % beware: optimizers remove this one
\edef\PDFdestination{[\the\scratchcounter\space\PDFpageviewwrd]}%
\fi
\else % across files it's a page number
\edef\PDFdestination{[\the\scratchcounter\space\PDFpageviewwrd]}%
\fi
\edef\action{/S /GoTo\PDFfile\space /D \PDFdestination}%
\else
\let\action\empty
\fi}
{\doifelsenothing{#4}
{\let\PDFfile\empty}
{\setreferencefilename/#4\to\PDFfile}%
\edef\action{/S /URI /URI (#3\PDFfile)}}%
\ifx\action\empty\else
\ifsecondaryreference
\savesecondaryPDFreference\action
\else
\getsecondaryPDFreferences
\doPDFaction
width #1 height #2
action {\action \secondaryPDFreferences}%
\fi
\fi
\egroup}
\def\fakePDFpagedestination % as in pdf, we start numbering at zero
{\iflocation \ifovercomePDFpage \ifarrangingpages \else
\bgroup
\advance\realpageno -1
\expanded{\doPDFdestination name {page:\realfolio}}%
\egroup
\fi \fi \fi}
\appendtoks
\fakePDFpagedestination
\to \everyshipout
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