diff --git a/buffer.py b/buffer.py
index 0125422..aaa23e6 100644
--- a/buffer.py
+++ b/buffer.py
@@ -603,7 +603,7 @@ class FileBuffer(Buffer):
         self.nl = self._detect_nl_type(data)
         data = self.read_filter(data)
         data = data.replace("\t", "    ")
-        for i in range(0, min(len(data), 8)):
+        for i in range(0, min(len(data), 128)):
             if data[i] not in string.printable:
                 raise BinaryDataException, "binary files are not supported"
         #FIXME: this is horrible...but maybe not as horrible as using tabs??
@@ -677,6 +677,9 @@ class Binary32Buffer(FileBuffer):
     def __init__(self, path, name=None):
         '''fb = FileBuffer(path)'''
         FileBuffer.__init__(self, path, name)
+        #self.rawdata = []
+    def _detect_nl_type(self, data):
+        return '\n'
     def cursorx_to_datax(self, cy, cx):
         bytespace = 2 + self.bytepad
         groupspace = bytespace * self.groupsize - self.bytepad + self.grouppad