syntax.xml

<?xml version="1.0" encoding="utf-8" ?>
<ScintillaNET>
  <Language Name="default">
    <Styles>
      <Style Name="Default" FontName="Consolas" />
    </Styles>
  </Language>

  <Language Name="kos">
    <Indentation TabWidth="2" UseTabs="false" />
    <Lexer StreamCommentPrefix="/*" StreamCommentSuffix="*/" LineCommentPrefix="//">
      <Keywords List="0">
        print lock set to break clearscreen switch copy declare edit on rename switch toggle unlock stage on off if until wait when wait then
        apoapsis atl:apoapsis periapsis atl:periapsis eta:apoapsis eta:periapsis node mag:node eta:node sas gear rcs lights brakes abort
        ag0 ag1 ag2 ag3 ag4 ag5 ag6 ag7 ag8 ag9 throttle steering
      </Keywords>
    </Lexer>

    <AutoComplete IsCaseSensitive="false">
      <List>
        print lock set to break clearscreen switch copy declare edit on rename switch toggle unlock stage on off if until wait when wait then
        apoapsis atl:apoapsis periapsis atl:periapsis eta:apoapsis eta:periapsis node mag:node eta:node sas gear rcs lights brakes abort
        ag throttle steering
      </List>
    </AutoComplete>
    
    <Styles>
      <Style Name="CHARACTER" ForeColor="Blue" BackColor="Red" />
    </Styles>
  </Language>
</ScintillaNET>