\pdftexbanner (introduced in pdfTeX 1.20a see the pdfTeX user manual) produces the output: This is pdfTeX, Version 3.1415926-2.5-1.40.14 (TeX Live 2013/W32TeX) kpathsea version 6.1.1Īnd contains the version of pdfTeX being used to process the document. But it can happen, that the driver insists of its setting for some of the keys ( /Creator. Package hyperref also sets information entries with the other drives. Since the version number scheme of pdfTeX has changed in the past, the algorithm for the versions specification is quite complex, from f: drivers The default of hyperref's values are (line breaks added for better readability): /Author()Īlso the other entries can be set by hyperref ( pdfcreationdate, pdfmoddate. Is possible for the user or hyperref to override the setting of pdfTeX.
A nice feature of pdfTeX is, that if it detects the setting of standard keys in \pdfinfo, then pdfTeX suppresses its setting toĪvoid duplicate keys in the same dictionary with different values. Some of these entries can be overwritten via \pdfinfo or via \hypersetup if hyperref is loaded.
The TeX compiler pdfTeX already sets some keys as default: /Producer (pdfTeX-1.40.15)
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