[LyX/master] Fix problem of unwanted spaces caused by macro definitions

[Juergen Spitzmueller]

commit 372712cfd99269cfcaf57ebb86048c1457e38075
Author: Juergen Spitzmueller <sp...@lyx.org>
Date:   Sun Jul 29 15:16:44 2018 +0200

    Fix problem of unwanted spaces caused by macro definitions
    
    Patch by Gilbert J. M. Forkel
    
    Fixes: #11216
---
 src/mathed/InsetMathMacroTemplate.cpp |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/mathed/InsetMathMacroTemplate.cpp 
b/src/mathed/InsetMathMacroTemplate.cpp
index a2fc064..8435d48 100644
--- a/src/mathed/InsetMathMacroTemplate.cpp
+++ b/src/mathed/InsetMathMacroTemplate.cpp
@@ -1217,7 +1217,7 @@ int InsetMathMacroTemplate::write(WriteStream & os, bool 
overwriteRedefinition)
                        //   \global\def\long\foo#1#2{#1,#2}
                        // We use the \long prefix as this is the equivalent to 
\newcommand.
                        // We cannot use \newcommand directly because \global 
does not work with it.
-                       os << "\\global\\long\\def\\" << name();
+                       os << "\n\\global\\long\\def\\" << name();
                        docstring param = from_ascii("#0");
                        for (int i = 1; i <= numargs_; ++i) {
                                param[1] = '0' + i;
@@ -1249,7 +1249,7 @@ int InsetMathMacroTemplate::write(WriteStream & os, bool 
overwriteRedefinition)
 
        if (os.latex()) {
                // writing .tex. done.
-               os << "\n";
+               os << "%\n";
                ++num_lines;
        } else {
                // writing .lyx, write special .tex export only if necessary