mask: ${mask:2a00:2:3:4:5:6:7:8/79}
mask: ${mask:2a00:2:3:4:5:6:7:8/128}
mask: ${mask:2a00:2:3:4:5:6:7:8/129}
+mask_n: ${mask_n:2a00:2:3:4:5:6:7:8/79}
ipv6denorm: ${ipv6denorm:::1}
ipv6denorm: ${ipv6denorm:fe00::1}
ipv6denorm: ${ipv6denorm:192.168.0.1}
gei: ${if gei{ABC}{abc}{y}{n}}
isip: ${if isip {1.2.3.4}{y}{n}} 1.2.3.4
+isip: ${if isip {1.2.3}{y}{n}} 1.2.3
isip4: ${if isip4{1.2.3.4}{y}{n}} 1.2.3.4
isip6: ${if isip6{1.2.3.4}{y}{n}} 1.2.3.4
isip: ${if isip {::1.2.3.256}{y}{n}} ::1.2.3.256
isip: ${if isip {rhubarb}{y}{n}} rhubarb
isip4: ${if isip4{rhubarb}{y}{n}} rhubarb
isip6: ${if isip6{rhubarb}{y}{n}} rhubarb
+isip6: ${if isip6{::/100}{y}{n}} ::/100
+isip6: ${if isip6{::/foo}{y}{n}} ::/foo
+isip6: ${if isip6{::/f o}{y}{n}} ::/f o
match: ${if match{abcd}{\N^([ab]+)(\w+)$\N}{$2$1}fail}
match: ${if match{abcd}{^\N([ab]+)(\w+)$\N}{$2$1}fail}
rc=$runrc
${if eq{1}{2}{${run{/non/exist}}}{1!=2}}
rc=$runrc
+${run,preexpand {DIR/aux-fixed/0002.runfile 0}}
+rc=$runrc
# PRVS