Use more(1) as a fallback for paging

tests/lenchk

@@ -16,7 +16,7 @@ Usage(){
 		  -h, --help               - Display this help information.
 		  -D, --no-subdirs         - Ignore the 'sheets/_*' subdirectories.
 		  -N, --no-preview         - Omit the preview of each triggered line.
-		  -P, --no-pager           - Do not use less(1) to page the output.
+		  -P, --no-pager           - Do not use less(1) or more(1) for paging.
 		  -S, --no-summary         - Omit the summary before $Progrm exits.
 		  -W, --no-whilelist       - Do not use the whitelist file.
 		  -c, --colorize           - Provide color via esscape sequences.
@@ -173,9 +173,18 @@ Main(){
 }
 
 if [ -t 1 -a "$NoPager" != 'True' ]; then
+	# Prefer less(1), but have more(1) as a fallback.
+	if type -fP less &> /dev/null; then
+		Pager='less'
+	elif type -fP more &> /dev/null; then
+		Pager='more'
+	else
+		Err 1 'Neither less(1) nor more(1) were found.'
+	fi
+
 	# Redirecting STDERR to address less(1) bug causing summary to display
 	# where it shouldn't; only seems to happen when colorization is enabled.
-	Main 2>&1 | less -r
+	Main 2>&1 | $Pager -r
 else
 	Main