commit 24723cec0f1a444f79a83cc8bce602923e97350b
Author: Daniel Swanson <popcorn.tomato.dude@gmail.com>
Date:   Thu Jul 1 16:22:46 2021 -0500

    blanks should be output in LU mode too...

diff --git a/apertium/transfer.cc b/apertium/transfer.cc
index 58a629c..83d876c 100644
--- a/apertium/transfer.cc
+++ b/apertium/transfer.cc
@@ -396,6 +396,8 @@ Transfer::processOut(xmlNode *localroot)
         write(processLu(i), output);
       } else if(!xmlStrcmp(i->name, (const xmlChar *) "mlu")) {
         write(processMlu(i), output);
+      } else { // 'b'
+        write(evalString(i), output);
       }
     } else {
       if(!xmlStrcmp(i->name, (const xmlChar *) "chunk")) {