From 0ae68ae828cd8d3589c7aa4bd2ef958aa38182b4 Mon Sep 17 00:00:00 2001
From: Juergen Spitzmueller <spitz@lyx.org>
Date: Tue, 21 Aug 2018 17:18:04 +0200
Subject: [PATCH] tex2lyx: support for btUnit (multibib)

---
 src/tex2lyx/Preamble.h |  2 ++
 src/tex2lyx/TODO.txt   | 16 ++++++----------
 src/tex2lyx/text.cpp   | 18 ++++++++++++++++++
 3 files changed, 26 insertions(+), 10 deletions(-)

diff --git a/src/tex2lyx/Preamble.h b/src/tex2lyx/Preamble.h
index ebc60c7d6d..725bf6740e 100644
--- a/src/tex2lyx/Preamble.h
+++ b/src/tex2lyx/Preamble.h
@@ -82,6 +82,8 @@ public:
 	///
 	void citeEngine(std::string const & e) { h_cite_engine = e; }
 	///
+	void multibib(std::string const & s) { h_multibib = s; }
+	///
 	bool titleLayoutFound() const { return title_layout_found; }
 	///
 	void titleLayoutFound(bool found) { title_layout_found = found; }
diff --git a/src/tex2lyx/TODO.txt b/src/tex2lyx/TODO.txt
index dfda94001c..b348b29e8e 100644
--- a/src/tex2lyx/TODO.txt
+++ b/src/tex2lyx/TODO.txt
@@ -36,16 +36,12 @@ Format LaTeX feature                        LyX feature
 443    unicode-math.sty                     InsetMath*
 453    automatic stmaryrd loading           \use_package stmaryrd
 457    automatic stackrel loading           \use_package stackrel
-526   Plural and capitalized refstyles      InsetRef
-533   Multibib support
-      \begin{btUnit}...\end{btUnit}        \multibib {none|part|chapter|section|subsection}
-        (if a part, chapter, section etc.
-         follows the \begin...)
-546   Landscape support
-      \begin{landscape}...\end{landscape}  \begin_inset Flex Landscape
-      with longtable content:              <features rotate ="90"...>
-555   V column type (varwidth package)     Automatically detected with newlines, paragraph breaks and environment content in cells of rows
-563   InsetArgument listpreamble:<nr>      All content between \begin{env} and first \item of a list 
+526    Plural and capitalized refstyles     InsetRef
+546    Landscape support
+       \begin{landscape}...\end{landscape}  \begin_inset Flex Landscape (see #11259)
+       with longtable content:              <features rotate ="90"...>
+555    V column type (varwidth package)     Automatically detected with newlines, paragraph breaks and environment content in cells of rows
+563    InsetArgument listpreamble:<nr>      All content between \begin{env} and first \item of a list 
 
 
 
diff --git a/src/tex2lyx/text.cpp b/src/tex2lyx/text.cpp
index d242731b79..1fbc87eaed 100644
--- a/src/tex2lyx/text.cpp
+++ b/src/tex2lyx/text.cpp
@@ -1923,6 +1923,24 @@ void parse_environment(Parser & p, ostream & os, bool outer,
 		p.skip_spaces();
 	}
 
+	else if (name == "btUnit") {
+		string const nt = p.next_next_token().cs();
+		active_environments.push_back("btUnit");
+		if (nt == "part")
+			preamble.multibib("part");
+		else if (nt == "chapter")
+			preamble.multibib("chapter");
+		else if (nt == "section")
+			preamble.multibib("section");
+		else if (nt == "subsection")
+			preamble.multibib("subsection");
+		else {
+			parse_unknown_environment(p, name, os, FLAG_END, outer,
+						  parent_context);
+			active_environments.pop_back();
+		}
+	}
+
 	else if (name == "framed" || name == "shaded") {
 		eat_whitespace(p, os, parent_context, false);
 		parse_outer_box(p, os, FLAG_END, outer, parent_context, name, "");