r10
r2
1{{{#!if p1 == null
2p1 is null
3}}}
r3
4{{{#!if p1 == n
5p1 is n
6}}}
r2
7{{{#!if p1 != null
8p1 is not null
9}}}
10{{{#!if p1 == 'sans'
11p1 is 'sans'
12}}}
13{{{#!if p1 == "sans"
14p1 is "sans"
15}}}
16{{{#!if p1 == sans
17p1 is sans
r4
18}}}
19{{{#!if p1==sans
20p1 is sans(no space)
r6
21}}}
22{{{#!if p1!=sans
23p1 is not sans(no space)
r7
24}}}
r10
25----
r7
26{{{#!if p2 != null
r9
27p2: @p2@
r10
28}}}
29{{{#!if p2 == null
30p2 == null
31}}}
32{{{#!if p2 = null
33p2 = null
34}}}
35{{{#!if p2 =! null
36p2 =! null
r2
37}}}