> filter: a'c
> filter: ''a' ''c
> filter: ""
+> # check operation when the condition modifies the 'value' variable
+> E
>
> map: ""
> map: a:b:c
> hex2b64:MPPJPkZDbetYunCBao7BJA==
> hex2b64:ztcfpyNSMb7Tg/rP3EHE3cwi7PE=
>
+> headerwrap:
+> headerwrap:a
+> headerwrap:ab
+> headerwrap:aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaz
+> headerwrap_79:aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+ z
+> headerwrap:aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+ b
+> headerwrap:aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaz
+ Aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaab
+> headerwrap:aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaz
+ Aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaab
+> headerwrap:aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaz
+ Aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaabbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb
+ bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbz
+> headerwrap:12345678901234567890123456789012345678901234567890123456789012345678901234567890
+ 1234567890123456789(100).67890123456789012345678901234567890123456789012
+ 34567890123456789012345678901234567890123456789(200).6789012345678901234
+ 567890123456789012345678901234567890123456789012345678901234567890123456
+ 789(300).678901234567890123456789012345678901234567890123456789012345678
+ 901234567890123456789(400).678901234567890123456789012345678901234567890
+ 1234567890123456789012345678901234567890123456789(500).67890123456789012
+ 3456789012345678901234567890123456789012345678901234567890123456789(600)
+ .67890123456789012345678901234567890123456789012345678901234567890123456
+ 78901234567890123456789(700).6789012345678901234567890123456789012345678
+ 901234567890123456789012345678901234567890123456789(800).678901234567890
+ 123456789012345678901234567890123456789012345678901234567890123456789012
+ 3456789(900).67890123456789012345678901234567890123456789012345678901234
+ 5678901234567890123456789012
+> headerwrap_81_100:123456789012345678901234567890123456789012345678901234567890123456789012345678901
+ 23456789012345678
+>
> base32: 0 <>
> base32: 1 <b>
> base32: 31 <7>
> match: cdab
> Failed: "if" failed and "fail" requested
> match: cd[xyz]ab
+> # check for empty capture group
+> match: <>
>
> match_domain: yes
> match_domain: no
> abcdea a z zbcdez
> abcdea a abcdea
> abcdea abc z zzzdez
+> (null) ''
>
> # Boolean
> "TrUe" true EXPECT: true
1234
> rc=0
+> 2
+> rc=1
>
> # PRVS
>
> <>
> expect: <>
>
+> # string value with embedded comma
+> <Doe, John>
+> expect <Doe, John>
+> # string value with embedded doublequote
+> <word1 \" word2>
+> expect <word1 \" word2>
+>
> yes
> yes
>