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Added section about highlighting in backtraces.

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Marius Vollmer 2004-09-29 18:13:40 +00:00
parent 43c2562635
commit 6a1d27ea08
1 changed files with 24 additions and 0 deletions
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@ -166,6 +166,30 @@ Three new procedures are related to this: substring/shared,
substring/copy, and substring/read-only. See the manual for more substring/copy, and substring/read-only. See the manual for more
information. information.
** Backtraces will now highlight the value that caused the error.
By default, these values are enclosed in "{...}", such as in this
example:
guile> (car 'a)
Backtrace:
In current input:
1: 0* [car {a}]
<unnamed port>:1:1: In procedure car in expression (car (quote a)):
<unnamed port>:1:1: Wrong type (expecting pair): a
ABORT: (wrong-type-arg)
The prefix and suffix used for highlighting can be set via the two new
printer options 'highlight-prefix' and 'highlight-suffix'. For
example, putting this into ~/.guile will output the bad value in bold
on an ANSI terminal:
(print-set! highlight-prefix "\x1b[1m")
(print-set! highlight-suffix "\x1b[22m")
** 'gettext' support for internationalization has been added. ** 'gettext' support for internationalization has been added.
See the manual for details. See the manual for details.