additional corrections to assoc index bounds

cbegin · cbegin · commit 77b41d6dba7e · 2014-02-17T20:15:13.000-07:00
diff --git a/02_composite-data/2-07_adding-an-item.asciidoc b/02_composite-data/2-07_adding-an-item.asciidoc
@@ -24,13 +24,13 @@ or more items appended to the end:
 
 ==== Discussion
 
-Vectors do not support adding new items anywhere aside from the end. If you need to insert an item in the middle, you will have to use a
-sequence manipulation function and convert back to a vector (if
-necessary) when you're done.
+Vectors do not support adding new items anywhere aside from the end. If you need to insert 
+an item in the middle, you will have to use a sequence manipulation function and convert back
+to a vector (if necessary) when you're done.
 
 Since vectors are associative (mapping integer indexes to values), you(((functions, assoc)))
-can also use the +assoc+ function with an index one greater than the
-current length of the vector to append an item:
+can also use the +assoc+ function with an index equal to the current length of the vector 
+(one greater than the maximum index) to append an item:
 
 [source,clojure]
 ----
@@ -41,8 +41,7 @@ current length of the vector to append an item:
 However, this approach is somewhat more fragile than +conj+. If the
 index you provide is too small, you might simply "overwrite" an
 earlier value in the vector; and if it's greater than the vector's 
-current length (one greater than the maximum index), 
-it will throw an +IndexOutOfBoundsException+.
+current length, it will throw an +IndexOutOfBoundsException+.
 
 Still, this technique is worth remembering. If you have code that is
 +assoc+-ing to a vector already, you can use this technique to produce
diff --git a/02_composite-data/2-10_set-item-at-index.asciidoc b/02_composite-data/2-10_set-item-at-index.asciidoc
@@ -37,13 +37,12 @@ hood.((("Clojure", "clojure.lang.Associative")))
 Unlike with maps, however, the keys used when using +assoc+ on a vector
 must be integer indexes within the range of the vector. Attempting to
 use a noninteger key will cause an +IllegalArgumentException+, and
-attempting to +assoc+ an index greater than one more than the size of
-the vector  will throw an +IndexOutOfBoundsException+.(((exceptions/errors, IllegalArgumentException)))(((exceptions/errors, IndexOutOfBoundsException)))
+attempting to +assoc+ an index greater than the size of the vector will throw 
+an +IndexOutOfBoundsException+.(((exceptions/errors, IllegalArgumentException)))(((exceptions/errors, IndexOutOfBoundsException)))
 
-Note that it _is_ possible to +assoc+ to an index equal to the
-current size of the vector (one greater than the maximum index). This will have 
-the result of appending the item to the end 
-(see <<sec_adding_to_a_vector>>).(((range="endofrange", startref="ix_CDvect")))
+Note that it _is_ possible to +assoc+ to an index equal to the current size 
+of the vector (one greater than the maximum index). This will have 
+the result of appending the item to the end (see <<sec_adding_to_a_vector>>).(((range="endofrange", startref="ix_CDvect")))
 
 ==== See Also
 
