--- a/ExternalStream.st	Sun Dec 03 19:02:39 1995 +0100
+++ b/ExternalStream.st	Sun Dec 03 19:04:22 1995 +0100
@@ -12,10 +12,10 @@
 
 ReadWriteStream subclass:#ExternalStream
 	 instanceVariableNames:'filePointer mode buffered binary useCRLF hitEOF didWrite
-                lastErrorNumber'
+		lastErrorNumber'
 	 classVariableNames:'Lobby LastErrorNumber ReadErrorSignal WriteErrorSignal
-                InvalidReadSignal InvalidWriteSignal InvalidModeSignal
-                OpenErrorSignal StreamNotOpenSignal'
+		InvalidReadSignal InvalidWriteSignal InvalidModeSignal
+		OpenErrorSignal StreamNotOpenSignal'
 	 poolDictionaries:''
 	 category:'Streams-External'
 !
@@ -177,7 +177,7 @@
 !
 
 version
-    ^ '$Header: /cvs/stx/stx/libbasic/ExternalStream.st,v 1.71 1995-12-03 16:25:38 cg Exp $'
+    ^ '$Header: /cvs/stx/stx/libbasic/ExternalStream.st,v 1.72 1995-12-03 18:04:22 cg Exp $'
 ! !
 
 !ExternalStream class methodsFor:'initialization'!
@@ -2280,7 +2280,7 @@
 
 nextChunk
     "return the next chunk, i.e. all characters up to the next
-     exclamation mark. Within the chunk, exclass have to be doubled -
+     exclamation mark. Within the chunk, exclamation marks have to be doubled -
      except within primitive code (this exception was added to make it easier
      to edit primitive code with external editors). This means, that other
      Smalltalks cannot always read chunks containing primitive code - but that
@@ -2305,15 +2305,15 @@
     REGISTER int c;
     int peekC;
     char *bufferPtr = (char *)0;
-    char fastBuffer[4096];
+    char fastBuffer[7000];
     REGISTER int index;
     int currSize, fastFlag;
-    int inComment, inString, inPrimitive = 0;
+    int atBeginOfLine = 1, inComment, inString, inPrimitive = 0;
     OBJ __MKSTRING_L(), __MKSTRING_ST_L(), __MKEMPTYSTRING();
 
     _INST(lastErrorNumber) = nil;
     f = __FILEVal(_INST(filePointer));
-    
+
     __READING__(f)
 
     if (feof(f)) {
@@ -2331,10 +2331,13 @@
 	} while ((c < 0) && (errno == EINTR));
 	__END_INTERRUPTABLE__
 
+	atBeginOfLine = 0;
 	switch (c) {
+	    case '\n':
+		atBeginOfLine = 1;
+		/* fall into */
 	    case ' ':
 	    case '\t':
-	    case '\n':
 	    case '\r':
 	    case '\b':
 	    case '\014':
@@ -2367,7 +2370,7 @@
 	 * do we have to resize the buffer ? 
 	 */
 	if ((index+2) >= currSize) {
-    	    OBJ newBuffer;
+	    OBJ newBuffer;
 	    char *nbp;
 
 	    newBuffer = __MKEMPTYSTRING(currSize * 2 COMMA_CON);
@@ -2399,7 +2402,7 @@
 	} while (c < 0 && (errno == EINTR));
 	__END_INTERRUPTABLE__
 
-	if (c == '%') {
+	if (atBeginOfLine && (c == '%')) {
 	    __BEGIN_INTERRUPTABLE__
 	    do {
 		peekC = getc(f);
@@ -2438,6 +2441,7 @@
 	    break;
 	}
 	bufferPtr[index++] = c;
+	atBeginOfLine =  (c == '\n');
     }
 
     /*
@@ -2447,7 +2451,7 @@
      * fast (C) buffer or from real (ST) buffer.
      */
     if (fastFlag) {
-        retVal = __MKSTRING_L(bufferPtr, index COMMA_CON);
+	retVal = __MKSTRING_L(bufferPtr, index COMMA_CON);
     } else {
 	retVal = __MKSTRING_ST_L(buffer, index COMMA_CON);
     }