breaking non-space added to fix bold return on 541 (#726)

* breaking non-space added

* breaking non-space added

Author: martin-henz

javascript/processingFunctions/replaceTagWithSymbol.js

@@ -32,7 +32,9 @@ const tagsToReplaceDefault = {
   BREAK: "\n",
 
   SPACE: "~",
-  FIXED_SPACE: "{\\tt~}"
+  FIXED_SPACE: "{\\tt~}",
+
+  BREAKINGNONSPACE: "{\\hspace{0pt}}"
 };
 
 const tagsToReplacePdf = {

xml/chapter5/section5/subsection3.xml

@@ -1100,7 +1100,7 @@ go_to(reg("val")),
     at
     <SPLITINLINE>
       <SCHEME><SCHEMEINLINE>proc-return</SCHEMEINLINE></SCHEME>
-      <JAVASCRIPT><JAVASCRIPTINLINE>fun_@return</JAVASCRIPTINLINE>
+      <JAVASCRIPT><JAVASCRIPTINLINE>fun_</JAVASCRIPTINLINE><BREAKINGNONSPACE/><TT>return</TT><SPACE/>
       </JAVASCRIPT>
     </SPLITINLINE>
     would have gone.)