From 08559fdb596ce3869b5e805390f7bac6b019ff1d Mon Sep 17 00:00:00 2001
From: Andreas Suter <andreas.suter@psi.ch>
Date: Sat, 22 Aug 2026 09:52:24 +0200
Subject: [PATCH] allow initial comments in dat-files.

---
 src/musredit_qt5/mupp/Pmupp.cpp | 5 +++++
 src/musredit_qt6/mupp/Pmupp.cpp | 5 +++++
 2 files changed, 10 insertions(+)

diff --git a/src/musredit_qt5/mupp/Pmupp.cpp b/src/musredit_qt5/mupp/Pmupp.cpp
index af247c74..e908a08f 100644
--- a/src/musredit_qt5/mupp/Pmupp.cpp
+++ b/src/musredit_qt5/mupp/Pmupp.cpp
@@ -594,7 +594,12 @@ PmuppCollection PParamDataHandler::ReadColumnParamFile(const QString fln, bool &
   run.SetName(fln);
 
   // read header information
+  // step over initial comments
   line = in.readLine();
+  while (line.isEmpty() || line.startsWith("%") || line.startsWith("#"))
+      line = in.readLine();
+
+  // handle header
 #if (QT_VERSION < QT_VERSION_CHECK(5, 14, 0))
   token = line.split(QRegExp("\\s+"), QString::SkipEmptyParts);
 #else
diff --git a/src/musredit_qt6/mupp/Pmupp.cpp b/src/musredit_qt6/mupp/Pmupp.cpp
index 41c0924c..3210c7a1 100644
--- a/src/musredit_qt6/mupp/Pmupp.cpp
+++ b/src/musredit_qt6/mupp/Pmupp.cpp
@@ -702,7 +702,12 @@ PmuppCollection PParamDataHandler::ReadColumnParamFile(const QString fln, bool &
   run.SetName(fln);
 
   // read header information
+  // step over initial comments
   line = in.readLine();
+  while (line.isEmpty() || line.startsWith("%") || line.startsWith("#"))
+    line = in.readLine();
+
+  // handle header
   token = line.split(QRegularExpression("\\s+"), Qt::SkipEmptyParts);
 
   QVector<QString> headerInfo;