From 4a55232c3461a370c08b6c8a05a42011655c22a0 Mon Sep 17 00:00:00 2001
From: Tristan Gingold <tgingold@free.fr>
Date: Sat, 9 Jan 2021 08:50:51 +0100
Subject: doc: mention 'ghdl fmt'

---
 doc/using/CommandReference.rst | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/doc/using/CommandReference.rst b/doc/using/CommandReference.rst
index 8b9209093..d3a263c54 100644
--- a/doc/using/CommandReference.rst
+++ b/doc/using/CommandReference.rst
@@ -64,7 +64,16 @@ File commands
 
 The following commands act on one or several files. These are not analyzed, therefore, they work even if a file has semantic errors.
 
-.. index:: cmd file pretty printing
+.. index:: cmd file format
+
+Format [``fmt``]
+-----------------------
+
+.. option:: fmt <file>
+
+Format on the standard output the input file.
+
+
 .. index:: vhdl to html
 
 Pretty print [``--pp-html``]
-- 
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