Mercurial > octave
changeset 31678:96d321d59ee3 stable
doc: Clarify handling of escape sequences in input of error function (bug #63556).
* libinterp/corefcn/error.cc (Ferror): Clarify that escape sequences in the
template string are not interpreted in single-quoted character vectors unless
they are followed by additional arguments.
author | Markus Mützel <markus.muetzel@gmx.de> |
---|---|
date | Wed, 21 Dec 2022 20:17:13 +0100 |
parents | 9be3a2706d62 |
children | 5c6395400843 6429fec82881 |
files | libinterp/corefcn/error.cc |
diffstat | 1 files changed, 6 insertions(+), 2 deletions(-) [+] |
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--- a/libinterp/corefcn/error.cc Mon Dec 19 10:13:04 2022 -0800 +++ b/libinterp/corefcn/error.cc Wed Dec 21 20:17:13 2022 +0100 @@ -1175,8 +1175,12 @@ Format the optional arguments under the control of the template string @var{template} using the same rules as the @code{printf} family of functions (@pxref{Formatted Output}) and print the resulting message -on the @code{stderr} stream. The message is prefixed by the character -string @samp{error: }. +on the @code{stderr} stream. This formatting is only done for +single-quoted character vectors if there are additional arguments +following the template string. If there are no additional arguments, the +template string is used literally (i.e., without interpreting any escape +sequences in single-quoted character vectors). The message is prefixed +by @samp{error: }. Calling @code{error} also sets Octave's internal error state such that control will return to the top level without evaluating any further