Fix compilation of ja/Math.lyx (see #9027)

The Japanese math manual was not compiling because of some
complications with foreign language switching. This would
have been fixed after the translation from English to Japanese
is done but I want to make sure the document is compilable
for 2.1.

diff --git a/lib/doc/ja/Math.lyx b/lib/doc/ja/Math.lyx
index d5982008a4c143c24268b949e7a240ecf49ae471..898125c7a3bd771d3b9b1b2ea05562c9e1d3b5a1 100644 (file)
--- a/lib/doc/ja/Math.lyx
+++ b/lib/doc/ja/Math.lyx
@@ -28825,7 +28825,6 @@ reference "sub:数式の一部の多行化"
 
 \begin_layout Subsubsection
 
-\lang english
 Multiline Fractions
 \begin_inset CommandInset label
 LatexCommand label
@@ -28834,7 +28833,6 @@ name "sub:Multiline-Fractions"
 \end_inset
 
 
-\lang japanese
 
 \begin_inset Index idx
 status open