[PATCH, wwwdocs] Update gfortran support of Fortran standards and features

From d346636e626e9b4915e60567127f0f0349c39055 Mon Sep 17 00:00:00 2001
From: Harald Anlauf <[email protected]>
Date: Wed, 14 Jan 2026 21:31:46 +0100
Subject: [PATCH] Update gfortran support of Fortran standards and features

---
 htdocs/fortran/index.html | 18 +++++++++++-------
 1 file changed, 11 insertions(+), 7 deletions(-)

diff --git a/htdocs/fortran/index.html b/htdocs/fortran/index.html
index edcc6df2..f44f8bb7 100644
--- a/htdocs/fortran/index.html
+++ b/htdocs/fortran/index.html
@@ -21,8 +21,9 @@ free number crunching to a broad spectrum of platforms and users.</p>
 Fortran language, be it in the scientific community, education, 
 or commercial environments.  The GFortran compiler is fully compliant
 with the Fortran 95 Standard and includes legacy F77 support.
-In addition, a significant number of Fortran 2003 and Fortran 2008
-features are implemented.  Please give it a try. If you encounter problems,
+In addition, most of Fortran 2003, Fortran 2008, and a significant number
+of Fortran 2018 features are implemented, along with initial support
+for Fortran 2023.  Please give it a try. If you encounter problems,
 contact us at the mailing list or file a problem report.</p>
 
 <p>GFortran development follows the open development process.  We do
@@ -52,12 +53,16 @@ It really is a great compiler!</p>
 <p>We strive to provide a high quality Fortran compiler that works
 well on a variety of native targets.  This means:</p>
 <ul>
-<li><p>Conformance to Fortran standards, primarily Fortran 95, 2003,
-and 2008</p></li>
+<li><p>Conformance to Fortran standards (Fortran 95, 2003, 2008, 2018
+and 2023)</p></li>
 <li><p>Performance of executables and computational accuracy</p></li>
 <li><p>Reasonable compile speed and cross compilation capability</p></li>
 <li><p>Good diagnostics and debugging features</p></li>
 <li><p>Legacy code support where practical.</p></li>
+<li><p>Support of parallelization and off-loading using
+<a href="https://gcc.gnu.org/wiki/openmp">OpenMP</a> and
+<a href="https://gcc.gnu.org/wiki/OpenACC">OpenACC</a></p></li>
+<li><p>Support of parallelization using Fortran coarrays</p></li>
 </ul>
 
 <h3>Extensions in GNU Fortran</h3>
@@ -65,13 +70,12 @@ and 2008</p></li>
 <p>The initial goal of the GNU Fortran Project was construction of a
 Fortran 95 compiler that complies with the ISO Fortran 95 Programming
 Language standard [ISO/IEC 1539-1:1997(E)].  We are now well into
-F2003 and F2008 features.
+features of the latest versions of the standard up to and including F2018,
+with initial support of some features of F2023.
 The <a href="https://gcc.gnu.org/wiki/GFortran">GFortran
 wiki</a> and <a href="https://gcc.gnu.org/bugzilla/">our bug tracker</a>
 list features under development or yet to be implemented. Compiler
 capability is quite extensive and includes nearly all g77 features.
-We highly encourage users to move from g77, which is no longer
-maintained, and start taking advantage of GFortran's modern features.
 Legacy g77 code will compile fine in almost all cases.</p>
 
 <h2>Status of Compiler and Run-time Library</h2>
-- 
2.51.0