- minor wordsmithing and fix for an overfull hbox

objects.stex, system.stex

original commit: dfa469217af6ddea0bc68086b55a22b253977dbf

LOG

@@ -539,3 +539,5 @@
     hash.ms, objects.stex, release_notes.stex
 - fixed pariah mat
     misc.ms
+- minor wordsmithing and fix for an overfull hbox
+    objects.stex, system.stex

csug/objects.stex

@@ -1880,11 +1880,11 @@ The effect of this can be observed via \scheme{hashtable-keys} and
 
 These procedures are like \scheme{make-weak-eq-hashtable} and
 \scheme{make-weak-eqv-hashtable}, but a value in the hashtable can refer to a
-key in the hashtable without preventing garbage collection from
+key in the hashtable (directly or indirectly) without preventing garbage collection from
 reclaiming the key, because keys are paired with values using ephemeron pairs.
 
 A copy of an ephemeron eq or eqv hashtable created by
-\scheme{hashtable-copy} is also an ephemeron table, and inaccesible
+\scheme{hashtable-copy} is also an ephemeron table, and an inaccesible
 key can be dropped from an immutable ephemeron hashtable in the same
 way as for an immutable weak hashtable.
 

csug/system.stex

@@ -4036,7 +4036,7 @@ object produce \scheme{#f}.
 (make-date 0 30 7 9 23 9 2007 -14400) ;=> #<date Sun Sep 23 09:07:30 2007>
 
 (date-zone-name (make-date 0 30 7 9 23 9 2007 -14400)) ;=> #f
-(date-zone-name (make-date 0 30 7 9 23 9 2007)) ;=> "EDT" \var{or other system-provided string}
+(string? (date-zone-name (make-date 0 30 7 9 23 9 2007))) ;=> #t
 \endschemedisplay
 
 %----------------------------------------------------------------------------