[LyX/2.3.1-staging] Do not use English, but the context language, when pasting from math

[Juergen Spitzmueller]

commit 2c0d681b2177738362c9c752bc1a10268e247603
Author: Juergen Spitzmueller <sp...@lyx.org>
Date:   Tue Feb 6 14:10:12 2018 +0100

    Do not use English, but the context language, when pasting from math
    
    Fixes: #2596
    (cherry picked from commit 92990adc236b19277a80c82ffa0580f5d1555bb0)
---
 src/CutAndPaste.cpp |    5 ++++-
 status.23x          |    3 +++
 2 files changed, 7 insertions(+), 1 deletions(-)

diff --git a/src/CutAndPaste.cpp b/src/CutAndPaste.cpp
index 85bd551..a6aa029 100644
--- a/src/CutAndPaste.cpp
+++ b/src/CutAndPaste.cpp
@@ -1037,7 +1037,10 @@ void copySelectionToStack(Cursor const & cur, CutStack & 
cutstack)
                BufferParams const & bp = cur.buffer()->params();
                // FIXME This should be the plain layout...right?
                par.setLayout(bp.documentClass().plainLayout());
-               par.insert(0, grabSelection(cur), Font(), 
Change(Change::UNCHANGED));
+               // For pasting into text, we set the language to the paragraph 
language
+               // (rather than the default_language which is always English; 
see #2596)
+               par.insert(0, grabSelection(cur), Font(sane_font, 
par.getParLanguage(bp)),
+                          Change(Change::UNCHANGED));
                pars.push_back(par);
                cutstack.push(make_pair(pars, bp.documentClassPtr()));
        }
diff --git a/status.23x b/status.23x
index c186061..4e2348d 100644
--- a/status.23x
+++ b/status.23x
@@ -49,6 +49,9 @@ What's new
 - Do not use English, but the context language, when pasting from LaTeX
   (bug 9199).
 
+- Do not use English, but the context language, when pasting from math
+  (bug 2596).
+
 
 * INTERNALS