From e2e126a7429731bfc1885ade4b0f88d9c7be41a0 Mon Sep 17 00:00:00 2001
From: Nyall Dawson <nyall.dawson@gmail.com>
Date: Mon, 19 Aug 2019 14:28:49 +1000
Subject: [PATCH] Add note

---
 src/core/qgsabstractgeopdfexporter.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/core/qgsabstractgeopdfexporter.cpp b/src/core/qgsabstractgeopdfexporter.cpp
index 2e60fde2b144..d006ff864ed9 100644
--- a/src/core/qgsabstractgeopdfexporter.cpp
+++ b/src/core/qgsabstractgeopdfexporter.cpp
@@ -306,6 +306,7 @@ QString QgsAbstractGeoPdfExporter::createCompositionXml( const QList<ComponentLa
     if ( section.crs.isValid() )
     {
       QDomElement srs = doc.createElement( QStringLiteral( "SRS" ) );
+      // not currently used by GDAL or the PDF spec, but exposed in the GDAL XML schema. Maybe something we'll need to consider down the track...
       // srs.setAttribute( QStringLiteral( "dataAxisToSRSAxisMapping" ), QStringLiteral( "2,1" ) );
       if ( !section.crs.authid().startsWith( QStringLiteral( "user" ), Qt::CaseInsensitive ) )
       {