[LyX/master] Debug output for paragraph params.

[Richard Kimberly Heck]

commit eea4ef9b6e8c103b8d77fb456214a116c68f58a7
Author: Richard Kimberly Heck <rikiheck at lyx.org>
Date:   Wed Apr 8 17:17:14 2020 -0400

    Debug output for paragraph params.
---
 src/ParagraphParameters.cpp |    6 ++++++
 src/ParagraphParameters.h   |    3 +++
 2 files changed, 9 insertions(+), 0 deletions(-)

diff --git a/src/ParagraphParameters.cpp b/src/ParagraphParameters.cpp
index 1152c6a..90c8705 100644
--- a/src/ParagraphParameters.cpp
+++ b/src/ParagraphParameters.cpp
@@ -318,6 +318,12 @@ void params2string(Paragraph const & par, string & data)
 }
 
 
+LyXErr & operator<<(LyXErr & os, ParagraphParameters const & parp) {
+	parp.write(os.stream());
+	return os;
+}
+
+
 /*
 bool operator==(ParagraphParameeters const & ps1,
 		ParagraphParameeters const & ps2)
diff --git a/src/ParagraphParameters.h b/src/ParagraphParameters.h
index f651068..a57b433 100644
--- a/src/ParagraphParameters.h
+++ b/src/ParagraphParameters.h
@@ -18,6 +18,7 @@
 #include "Length.h"
 #include "Spacing.h"
 
+#include "support/debug.h"
 #include "support/types.h"
 #include "support/docstring.h"
 
@@ -38,6 +39,8 @@ public:
 	///
 	ParagraphParameters();
 	///
+	friend LyXErr & operator<<(LyXErr & os, ParagraphParameters const & cur);
+	///
 	void clear();
 	///
 	bool sameLayout(ParagraphParameters const &) const;