1 files changed, 19 insertions, 0 deletions
diff --git a/Doc/Zsh/expn.yo b/Doc/Zsh/expn.yo
index 25c44f331..8afd92532 100644
--- a/Doc/Zsh/expn.yo
+++ b/Doc/Zsh/expn.yo
@@ -604,6 +604,19 @@ If var(name) is an array
 the matching array elements are removed (use the `tt((M))' flag to
 remove the non-matched elements).
 )
+item(tt(${)var(name)tt(:|)var(arrayname)tt(}))(
+If var(arrayname) is the name (N.B., not contents) of an array
+variable, then any elements contained in var(arrayname) are removed
+from the substitution of var(name).  If the substitution is scalar,
+either because var(name) is a scalar variable or the expression is
+quoted, the elements of var(arrayname) are instead tested against the
+entire expression.
+)
+item(tt(${)var(name)tt(:*)var(arrayname)tt(}))(
+Similar to the preceding subsitution, but in the opposite sense,
+so that entries present in both the original substitution and as
+elements of var(arrayname) are retained and others removed.
+)
 xitem(tt(${)var(name)tt(:)var(offset)tt(}))
 item(tt(${)var(name)tt(:)var(offset)tt(:)var(length)tt(}))(
 This syntax gives effects similar to parameter subscripting
@@ -1954,6 +1967,9 @@ item(tt(I))(
 Case sensitive:  locally negates the effect of tt(i) or tt(l) from
 that point on.
 )
+vindex(match)
+vindex(mbegin)
+vindex(mend)
 item(tt(b))(
 Activate backreferences for parenthesised groups in the pattern;
 this does not work in filename generation.  When a pattern with a set of
@@ -2022,6 +2038,9 @@ matches; tt(LPAR()#c,)var(M)tt(RPAR()) is equivalent to specifying var(N)
 as 0; tt(LPAR()#c)var(N)tt(,RPAR()) specifies that there is no maximum
 limit on the number of matches.
 )
+vindex(MATCH)
+vindex(MBEGIN)
+vindex(MEND)
 item(tt(m))(
 Set references to the match data for the entire string matched; this is
 similar to backreferencing and does not work in filename generation.  The