--- a/Integer.st	Fri Jul 21 15:12:38 2017 +0200
+++ b/Integer.st	Fri Jul 21 15:14:01 2017 +0200
@@ -2692,7 +2692,8 @@
      i.e. interprets the lowest n bits as a signed integer,
      ignoring higher bits.
      The bit numbering is 1-based (i.e. the lowest bit has bitNr 1)    
-     This may be useful for communication interfaces"
+     This may be useful for communication interfaces.
+     (kind of the reverse operation to asUnsigned:)."
 
     ^ self signExtendedFromMaskBit:(1 bitShift:bitNr-1)
 
@@ -2713,7 +2714,7 @@
      16rFFFF80 signExtendedFromBit:8 -> -128
     "
 
-    "Modified: / 21-07-2017 / 14:53:40 / cg"
+    "Modified (comment): / 21-07-2017 / 15:13:55 / cg"
 !
 
 signExtendedFromMaskBit:highBitMask
@@ -5227,7 +5228,8 @@
 asUnsigned:numBits
     "return a numBits integer with my bit-pattern, but positive.
      May be required for bit operations on the sign-bit and/or to
-     convert C/Java numbers."
+     convert C/Java numbers, or to generate bitields from signed numbers
+     (kind of the reverse operation to signExtenedFromBit:)."
 
     self < 0 ifTrue:[
         ^ (1 bitShift:numBits) + self