commit f7f637fa547e9fb5c5f0ba706ae3837bb6e4a060
Author: Daniel Swanson <popcorn.tomato.dude@gmail.com>
Date:   Thu Aug 19 14:43:29 2021 -0400

    typo

diff --git a/src/lsx_processor.cc b/src/lsx_processor.cc
index f6ef570..8f4c097 100644
--- a/src/lsx_processor.cc
+++ b/src/lsx_processor.cc
@@ -119,7 +119,7 @@ LSXProcessor::readNextLU(InputFile& input)
 {
   blank_queue.push_back(input.readBlank(false));
   UChar32 c = input.get();
-  if (c == U_EOF || (null_flush & c == '\0')) {
+  if (c == U_EOF || (null_flush && c == '\0')) {
     bound_blank_queue.push_back(""_u);
     lu_queue.push_back(""_u);
     at_end = true;