The "\input texinfo" line is what changes the comment syntax from TeX
syntax to Texinfo syntax, so it has to go before the @c comments or else
those comments show up in output produced by TeX.
+\input texinfo @c -*- texinfo -*-
@c PSPP - a program for statistical analysis.
@c Copyright (C) 2017 Free Software Foundation, Inc.
@c Permission is granted to copy, distribute and/or modify this document
@c with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts.
@c A copy of the license is included in the section entitled "GNU
@c Free Documentation License".
-@c
-\input texinfo @c -*- texinfo -*-
+
@c %**start of header
@setfilename pspp-dev.info
@settitle PSPP
+\input texinfo @c -*- texinfo -*-
@c PSPP - a program for statistical analysis.
@c Copyright (C) 2017 Free Software Foundation, Inc.
@c Permission is granted to copy, distribute and/or modify this document
@c with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts.
@c A copy of the license is included in the section entitled "GNU
@c Free Documentation License".
-@c
-\input texinfo @c -*- texinfo -*-
+
@c %**start of header
@setfilename pspp.info
@settitle PSPP