Man pages for the Fortran language
The description of the Fortran language in these man pages has been taken from the GNU Fortran Compiler documentation. They contain elements that follow the Fortran standard, and elements that are GNU extentions. This standard is indicated in the detailed man page for each procedure. The Free Software Foundation, Inc. is the copyright holder of this documentation (see copyright statement below). The documentation was converted from HTML to man-page format by AstroFloyd.
Man-pages-fortran is available in Arch Linux and Gentoo Linux.
Documentation for intrinsic Fortran procedures for Fortran-tags in Emacs
As a spin off, I converted the man pages to Fortran comments, where only the SYNTAX lines are uncommented and function as a prototype definition. Because these lines are uncommented, they can be found by Fortran-tags for GNU Emacs. When the directory fortran-intrinsic-tags/ is included when generating the FORTAGS "database" file for Fortran-tags, the program will see the uncommented lines as a definition of the functions and subroutines and you will be carried to the source file when pressing M-., where the procedure's syntax and examples can be found.
Copyright (C) 1999-2015 Free Software Foundation, Inc.
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(a) The FSF's Front-Cover Text is: A GNU Manual
(b) The FSF's Back-Cover Text is: You have freedom to copy and modify this GNU Manual, like GNU software. Copies published by the Free Software Foundation raise funds for GNU development.