1 files changed, 30 insertions, 10 deletions
diff --git a/doc/lreplace.n b/doc/lreplace.n
index d19f0cd..32b7356 100644
--- a/doc/lreplace.n
+++ b/doc/lreplace.n
@@ -17,7 +17,7 @@ lreplace \- Replace elements in a list with new elements
 .BE
 .SH DESCRIPTION
 .PP
-\fBlreplace\fR returns a new list formed by replacing one or more elements of
+\fBlreplace\fR returns a new list formed by replacing zero or more elements of
 \fIlist\fR with the \fIelement\fR arguments.
 \fIfirst\fR and \fIlast\fR are index values specifying the first and
 last elements of the range to replace.
@@ -27,23 +27,26 @@ supporting simple index arithmetic and indices relative to the
 end of the list.
 0 refers to the first element of the
 list, and \fBend\fR refers to the last element of the list.
-If \fIlist\fR is empty, then \fIfirst\fR and \fIlast\fR are ignored.
 .PP
-If \fIfirst\fR is less than zero, it is considered to refer to before the
-first element of the list.  For non-empty lists, the element indicated
-by \fIfirst\fR must exist or \fIfirst\fR must indicate before the
-start of the list.
+If either \fIfirst\fR or \fIlast\fR is less than zero, it is considered
+to refer to before the first element of the list. This allows \fBlreplace\fR
+to prepend elements to \fIlist\fR.
+.VS TIP505
+If either \fIfirst\fR or \fIlast\fR indicates a position greater than the
+index of the last element of the list, it is treated as if it is an
+index one greater than the last element. This allows \fBlreplace\fR to
+append elements to \fIlist\fR.
+.VE TIP505
 .PP
 If \fIlast\fR is less than \fIfirst\fR, then any specified elements
-will be inserted into the list before the point specified by \fIfirst\fR
+will be inserted into the list before the element specified by \fIfirst\fR
 with no elements being deleted.
 .PP
-The \fIelement\fR arguments specify zero or more new arguments to
+The \fIelement\fR arguments specify zero or more new elements to
 be added to the list in place of those that were deleted.
 Each \fIelement\fR argument will become a separate element of
 the list.  If no \fIelement\fR arguments are specified, then the elements
-between \fIfirst\fR and \fIlast\fR are simply deleted.  If \fIlist\fR
-is empty, any \fIelement\fR arguments are added to the end of the list.
+between \fIfirst\fR and \fIlast\fR are simply deleted.
 .SH EXAMPLES
 .PP
 Replacing an element of a list with another:
@@ -78,9 +81,26 @@ proc lremove {listVariable value} {
     set var [\fBlreplace\fR $var $idx $idx]
 }
 .CE
+.PP
+.VS TIP505
+Appending elements to the list; note that \fBend+2\fR will initially
+be treated as if it is \fB6\fR here, but both that and \fB12345\fR are greater
+than the index of the final item so they behave identically:
+.PP
+.CS
+% set var {a b c d e}
+a b c d e
+% set var [\fBlreplace\fR $var 12345 end+2 f g h i]
+a b c d e f g h i
+.CE
+.VE TIP505
 .SH "SEE ALSO"
 list(n), lappend(n), lindex(n), linsert(n), llength(n), lsearch(n),
 lset(n), lrange(n), lsort(n),
 string(n)
 .SH KEYWORDS
 element, list, replace
+.\" Local variables:
+.\" mode: nroff
+.\" fill-column: 78
+.\" End: