From f0f7b022b35aac03d586fd23b1ee6700cca60bcf Mon Sep 17 00:00:00 2001
From: Patrick Lehmann <Patrick.Lehmann@plc2.de>
Date: Fri, 24 Jun 2022 23:20:48 +0200
Subject: Improved doc-strings.

(cherry picked from commit 54ce76e3938413f9ee7d823cf63611c4ff5d8faf)
---
 pyGHDL/libghdl/vhdl/nodes.py | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'pyGHDL/libghdl/vhdl/nodes.py')

diff --git a/pyGHDL/libghdl/vhdl/nodes.py b/pyGHDL/libghdl/vhdl/nodes.py
index f662ad6a7..85c064c37 100644
--- a/pyGHDL/libghdl/vhdl/nodes.py
+++ b/pyGHDL/libghdl/vhdl/nodes.py
@@ -30,6 +30,9 @@ from pyGHDL.libghdl._types import (
 from pyGHDL.libghdl.vhdl.tokens import Tok
 
 Null_Iir = 0
+"""
+Null element for an IIR node reference.
+"""
 
 Null_Iir_List = 0
 Iir_List_All = 1
-- 
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