diff options
Diffstat (limited to 'txr.1')
| -rw-r--r-- | txr.1 | 47 |
1 files changed, 39 insertions, 8 deletions
@@ -62457,8 +62457,25 @@ If .meta pretty-p is true, then .code print -does not strive for read-print consistency. -Strings are printed by sending their characters to the output +does not strive for read-print consistency. In \*(TX, the term +.I "pretty printing" +refers to rendering a printed representation of an object +without the notational details required to unambiguously delimit the object, +and represent its value and type without ambiguity. +For instance, the four-character string +.strn abcd , +the two-byte buffer object +.code #b'abcd' +as well as the symbol +.code abcd +all pretty-print as +.codn abcd . +To understand the meaning, the user has to refer to the documentation +of the specific application which produces that representation. + +When +.code pretty-p +is true, strings are printed by sending their characters to the output stream, as if by the .code put-string function, rather than being rendered in the string literal notation @@ -62467,13 +62484,20 @@ characters. Likewise, character objects are printed via .code put-char rather than the .code #\e -notation. Buffer objects are printed by sending their bytes to the -output stream using -.code put-byte -rather than being rendered in the -.code #b notation. -Symbols are printed without their package prefix, except that + +When +.code pretty-p +is true, buffer objects are printed as strings of hexadecimal +digit pairs, without being embedded in the +.code #b'...' +notation, and without any line breaks. +This behavior is new in \*(TX 275; see the COMPATIBILITY +section. + +The +.code pretty-p +flag causes symbols to be printed without their package prefix, except that symbols from the keyword package are still printed with the leading colon. Floating-point objects are printed as if using the .code format @@ -94405,6 +94429,13 @@ of these version values, the described behaviors are provided if is given an argument which is equal or lower. For instance .code "-C 103" selects the behaviors described below for version 105, but not those for 102. +.IP 294 +Until \*(TX 294, the +.code pprint +function rendered a buffer object simply by sending its raw bytes to +the destination stream, rather than rendering the object as a stream of +hexadecimal digit pairs. The old behavior is restored with compatibility +values of 294 or lower. .IP 289 Until \*(TX 289, the .code replace |