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Diffstat (limited to 'txr.1')
| -rw-r--r-- | txr.1 | 21 |
1 files changed, 21 insertions, 0 deletions
@@ -3638,6 +3638,25 @@ Convert the 26 lower case letters of the English alphabet to upper case. .IP :downcase Convert the 26 upper case letters of the English alphabet to lower case. +.IP :fromurl +Decode URL-encoded (a.k.a. percent-encoded) text. Character triplets consisting +of the % character followed by a pair of hexadecimal digits (case insensitive) +are are converted to bytes having the value represented by the hexadecimal +digits (most significant nybble first). Sequences of one or more such bytes are +treated as UTF-8 data and decoded to characters. + +.IP :tourl +Convert to URL encoding according to RFC 3986. The text is first converted +to UTF-8 bytes. The bytes are then converted back to text as follows. +Bytes in the range 0 to 32, and 127 to 255 (note: including the ASCII DEL), +bytes whose values correspond to ASCII characters which are listed by RFC 3986 +as being in the "reserved set", and the byte value corresponding to the +ASCII % character are encoded as a three-character sequence consisting +of the % character followed by two hexadecimal digits derived from the +byte value (most significant nybble first, upper case). All other bytes +are converted directly to characters of the same value without any such +encoding. + Example: to escape HTML characters in all variable substitutions occuring in an output clause, specify :filter :to_html in the directive: @@ -6754,6 +6773,8 @@ Certain object types have a custom equal function. .SS Function match-fun +.SS Functions url-encode and url-decode + .SH APPENDIX A: NOTES ON EXOTIC REGULAR EXPRESSIONS Users familiar with regular expressions may not be familiar with the complement |