[LyX/2.3.x] Add empty line after last \bibitem in bibliography (#12041)

[Juergen Spitzmueller]

commit d45e103dab9df3274e36ececcd371d8b74819367
Author: Juergen Spitzmueller <spitz at lyx.org>
Date:   Thu Dec 3 07:46:39 2020 +0100

    Add empty line after last \bibitem in bibliography (#12041)
    
    (cherry picked from commit 4a13a29042a05dfeba57ea4d2299d96d6ac7d30e)
---
 src/output_latex.cpp |    5 +++++
 status.23x           |    3 +++
 2 files changed, 8 insertions(+), 0 deletions(-)

diff --git a/src/output_latex.cpp b/src/output_latex.cpp
index 3838ba3..eae5b3c 100644
--- a/src/output_latex.cpp
+++ b/src/output_latex.cpp
@@ -344,6 +344,11 @@ static void finishEnvironment(otexstream & os, OutputParams const & runparams,
 				popLanguageName();
 			}
 		}
+		if (data.style->latextype == LATEX_BIB_ENVIRONMENT)
+			// bibliography needs a blank line after
+			// each item for backref to function properly
+			// (see #12041)
+			os << '\n';
 		state->nest_level_ -= 1;
 		string const & name = data.style->latexname();
 		if (!name.empty())
diff --git a/status.23x b/status.23x
index 4b13577..79f2c94 100644
--- a/status.23x
+++ b/status.23x
@@ -47,6 +47,9 @@ What's new
 
 - Fix Open Document (tex4ht) output converter.
 
+- Fix output of bibliography environment to make backref work
+  (bug 12041).
+
 
 * USER INTERFACE