From 1c623ffe8f2e34e38248709935ca5fa475d2e05a Mon Sep 17 00:00:00 2001
From: Juergen Spitzmueller <spitz@lyx.org>
Date: Thu, 22 Mar 2018 15:52:23 +0100
Subject: [PATCH] Use separate BibInfo for child

This is used when the file is compiled standalone

Fixes: #11083
---
 src/Buffer.cpp               | 21 +++++++++++++++------
 src/Buffer.h                 |  2 ++
 src/insets/InsetCitation.cpp |  3 ++-
 3 files changed, 19 insertions(+), 7 deletions(-)

diff --git a/src/Buffer.cpp b/src/Buffer.cpp
index 1c186deeaf..248826efe3 100644
--- a/src/Buffer.cpp
+++ b/src/Buffer.cpp
@@ -2343,10 +2343,16 @@ BiblioInfo const & Buffer::masterBibInfo() const
 }
 
 
+BiblioInfo const & Buffer::bibInfo() const
+{
+	return d->bibinfo_;
+}
+
+
 void Buffer::registerBibfiles(FileNamePairList const & bf) const {
 	Buffer const * const tmp = masterBuffer();
 	if (tmp != this)
-		return tmp->registerBibfiles(bf);
+		tmp->registerBibfiles(bf);
 
 	for (auto const & p : bf) {
 		FileNamePairList::const_iterator temp =
@@ -2415,12 +2421,15 @@ void Buffer::collectBibKeys(FileNameList & checkedFiles) const
 }
 
 
-void Buffer::addBiblioInfo(BiblioInfo const & bi) const
+void Buffer::addBiblioInfo(BiblioInfo const & bin) const
 {
-	Buffer const * tmp = masterBuffer();
-	BiblioInfo & masterbi = (tmp == this) ?
-		d->bibinfo_ : tmp->d->bibinfo_;
-	masterbi.mergeBiblioInfo(bi);
+	BiblioInfo & bi = d->bibinfo_;
+	bi.mergeBiblioInfo(bin);
+
+	if (parent() != 0) {
+		BiblioInfo & masterbi = parent()->d->bibinfo_;
+		masterbi.mergeBiblioInfo(bin);
+	}
 }
 
 
diff --git a/src/Buffer.h b/src/Buffer.h
index d111c2ba3d..b5a71a22ef 100644
--- a/src/Buffer.h
+++ b/src/Buffer.h
@@ -508,6 +508,8 @@ public:
 	/// \return the bibliography information for this buffer's master,
 	/// or just for it, if it isn't a child.
 	BiblioInfo const & masterBibInfo() const;
+	/// \return this buffer's bibliography information
+	BiblioInfo const & bibInfo() const;
 	/// collect bibliography info from the various insets in this buffer.
 	void collectBibKeys(support::FileNameList &) const;
 	/// add some BiblioInfo to our cache
diff --git a/src/insets/InsetCitation.cpp b/src/insets/InsetCitation.cpp
index e1f40eaebf..0e67483c99 100644
--- a/src/insets/InsetCitation.cpp
+++ b/src/insets/InsetCitation.cpp
@@ -552,7 +552,8 @@ void InsetCitation::forOutliner(docstring & os, size_t const, bool const) const
 // engine, e.g. \cite[]{} for the basic engine.
 void InsetCitation::latex(otexstream & os, OutputParams const & runparams) const
 {
-	BiblioInfo const & bi = buffer().masterBibInfo();
+	BiblioInfo const & bi = runparams.is_child
+			? buffer().masterBibInfo() : buffer().bibInfo();
 	docstring const key = getParam("key");
 	// "keyonly" command: output the plain key and stop.
 	if (getCmdName() == "keyonly") {
-- 
2.39.5