commit d423e9a98561e8ec154bf363bb32516d17469e12
Author: Daniel Swanson <popcorn.tomato.dude@gmail.com>
Date:   Tue Jun 15 15:19:45 2021 -0500

    small bugs

diff --git a/lttoolbox/compiler.cc b/lttoolbox/compiler.cc
index 8390820..554869a 100644
--- a/lttoolbox/compiler.cc
+++ b/lttoolbox/compiler.cc
@@ -179,7 +179,7 @@ Compiler::procAlphabet()
       bool space = true;
       for(unsigned int i = 0; i < letters.length(); i++)
       {
-        if(!isspace(letters.at(i)))
+        if(!u_isspace(letters.at(i)))
         {
           space = false;
           break;
diff --git a/lttoolbox/xml_parse_util.cc b/lttoolbox/xml_parse_util.cc
index 055e962..0f5e3c5 100644
--- a/lttoolbox/xml_parse_util.cc
+++ b/lttoolbox/xml_parse_util.cc
@@ -68,6 +68,7 @@ UString
 XMLParseUtil::readName(xmlTextReaderPtr reader)
 {
   const xmlChar* name = xmlTextReaderConstName(reader);
+  if (name == NULL) return ""_u;
   return to_ustring(reinterpret_cast<const char*>(name));
 }
 
@@ -75,6 +76,7 @@ UString
 XMLParseUtil::readValue(xmlTextReaderPtr reader)
 {
   const xmlChar* val = xmlTextReaderConstValue(reader);
+  if (val == NULL) return ""_u;
   return to_ustring(reinterpret_cast<const char*>(val));
 }
 
@@ -82,6 +84,7 @@ void
 XMLParseUtil::readValueInto32(xmlTextReaderPtr reader, vector<int32_t>& vec)
 {
   const xmlChar* val = xmlTextReaderConstValue(reader);
+  if (val == NULL) return;
   auto sz = xmlStrlen(val);
   vec.reserve(vec.size() + sz);
   utf8::utf8to32(val, val+sz, std::back_inserter(vec));