[Bug: 21.5-b21] Regexp Isearch does not work with '\t'
dak at gnu.org
Fri Jun 3 07:43:07 EDT 2005
"Stephen J. Turnbull" <stephen at xemacs.org> writes:
>>>>>> "Ernst" == Ernst Taumberger <e.taumberger at centersystems.at> writes:
> Ernst> the command isearch-forward-regexp("a[\t]+b") fails; it
> Ernst> works if I replace the escape sequence with the
> Ernst> tab-character itself
> In general XEmacs doesn't support backslash escapes in minibuffer
> input, so that is the regexp "a" followed by one or more repetitions
> of the class containing "\" and "t" followed by "b".
> I think this is a feature.
I would not call it a feature. It is a simple consequence of the fact
that \t is string syntax. And actually,
Ernst> the command isearch-forward-regexp("a[\t]+b") fails; it
is misleading, since with _that_ syntax, an actual TAB character is
There are some cases in interactive use of CVS Emacs where \n and \t
trigger a warning message. At the current point of time this seems to
be restricted to the query-replace-regexp family, in the match string.
David Kastrup, Kriemhildstr. 15, 44793 Bochum
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