--- a/ReadStream.st	Fri Mar 22 13:26:46 2019 +0100
+++ b/ReadStream.st	Fri Mar 22 13:31:18 2019 +0100
@@ -867,49 +867,51 @@
 %{
     OBJ _collection = __INST(collection);
 
-    if (__isString(_collection)
+    if (__isStringLike(_collection)
      && __isCharacter(anObject)) {
-	unsigned int ch = __intVal(__characterVal(anObject));
+        unsigned int ch = __intVal(__characterVal(anObject));
 
-	if (ch <= 0xFF) {
-	    int _startPos = __intVal(__INST(position));
-	    int _endIndex;
-	    char *startPtr = __stringVal(_collection) + _startPos;
-	    char *foundPtr;
-	    OBJ rslt;
-	    int nMax;
+        if (ch <= 0xFF) {
+            int _startPos = __intVal(__INST(position));
+            int _endIndex;
+            char *startPtr = __stringVal(_collection) + _startPos;
+            char *foundPtr;
+            OBJ rslt;
+            int nMax;
 
-	    _endIndex = __stringSize(_collection);
-	    if (__isInteger(__INST(readLimit))) {
-		int _readLimit = __intVal(__INST(readLimit));
+            _endIndex = __stringSize(_collection);
+            if (__isInteger(__INST(readLimit))) {
+                int _readLimit = __intVal(__INST(readLimit));
 
-		if (_readLimit < _endIndex) _endIndex = _readLimit;
-	    }
+                if (_readLimit < _endIndex) _endIndex = _readLimit;
+            }
 
-	    nMax = _endIndex-_startPos;
-	    foundPtr = (char *)memchr( startPtr, ch, (long)nMax);
-	    if (foundPtr == 0) {
-		// not found
-		rslt = __MKEMPTYSTRING(nMax);
-		// refetch - may GC
-		_collection = __INST(collection);
-		memcpy((void *)__stringVal(rslt), (void *)(__stringVal(_collection) + _startPos), (size_t)nMax);
-		__INST(position) = __mkSmallInteger(_endIndex);
-	    } else {
-		// found at foundPtr
-		int n = foundPtr-startPtr;
+            nMax = _endIndex-_startPos;
+            foundPtr = (char *)memchr( startPtr, ch, (long)nMax);
+            if (foundPtr == 0) {
+                // not found
+                rslt = __MKEMPTYSTRING(nMax);
+                // refetch - may GC
+                _collection = __INST(collection);
+                memcpy((void *)__stringVal(rslt), (void *)(__stringVal(_collection) + _startPos), (size_t)nMax);
+                __INST(position) = __mkSmallInteger(_endIndex);
+            } else {
+                // found at foundPtr
+                int n = foundPtr-startPtr;
 
-		rslt = __MKEMPTYSTRING(n);
-		// refetch - may GC
-		_collection = __INST(collection);
-		memcpy((void *)__stringVal(rslt), (void *)(__stringVal(_collection) + _startPos), (size_t)n);
-		__INST(position) = __mkSmallInteger(_startPos + n + 1);
-	    }
-	    RETURN (rslt);
-	}
+                rslt = __MKEMPTYSTRING(n);
+                // refetch - may GC
+                _collection = __INST(collection);
+                memcpy((void *)__stringVal(rslt), (void *)(__stringVal(_collection) + _startPos), (size_t)n);
+                __INST(position) = __mkSmallInteger(_startPos + n + 1);
+            }
+            RETURN (rslt);
+        }
     }
 %}.
     ^ super upTo:anObject
+
+    "Modified: / 22-03-2019 / 03:01:19 / Claus Gittinger"
 ! !
 
 !ReadStream methodsFor:'reading-numbers'!