0 400 400   a="""";
 0 400 400   b=1;
 0 400 400   c='\';
 0 400 400   d=2;
 0 400 400   e="\";
 0 400 400   f=3;
 0 400 400   %" this should be a comment (colored as such), instead it closes the string
 0 400 400   g="
 0 400 400   h=123;
 0 400 400   %" this is a syntax error in Matlab (about 'g'),
 0 400 400   % followed by a valid assignment (of 'h')
 0 400 400   % Instead, 'h' is colored as part of the string
 1 400 400   
 0 400 400   % Octave terminates string at 3rd ", Matlab at 4th
 0 400 400   i="\" "; % " %
 0 400 400   % end
 1 400 400