diff options
| author | Alan Mackenzie <acm@muc.de> | 2020-01-17 21:53:13 +0000 |
|---|---|---|
| committer | Alan Mackenzie <acm@muc.de> | 2020-01-17 21:53:13 +0000 |
| commit | 8d2fecdf6c372b8ff064454558ae5843d0607f06 (patch) | |
| tree | 8af86a930597807ef9163502e939128d0a566b6a /doc/lispref/edebug.texi | |
| parent | d97a77c481ec913d8c3c24f2eecdc41a28243678 (diff) | |
| download | emacs-8d2fecdf6c372b8ff064454558ae5843d0607f06.tar.gz | |
Introduce element &error into edebug specification lists for macros
This fixes bug #37540.
* lisp/emacs-lisp/edebug.el (top level): New entry for &error in alist used to
associate elements with their handling functions.
(edebug-match-&error): New function.
(nested-backquote-form): Use the new element &error to abort instrumentation
on encountering a three deep nesting of backquotes (without intervening
commas).
* doc/lispref/edebug.texi (Specification List): Add an entry for &error.
* etc/NEWS: Add an entry for &error.
Diffstat (limited to 'doc/lispref/edebug.texi')
| -rw-r--r-- | doc/lispref/edebug.texi | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/doc/lispref/edebug.texi b/doc/lispref/edebug.texi index 8be8307c75f..cfef5c12d1e 100644 --- a/doc/lispref/edebug.texi +++ b/doc/lispref/edebug.texi @@ -1362,6 +1362,11 @@ while matching the remainder of the specifications at this level. This is primarily used to generate more specific syntax error messages. See @ref{Backtracking}, for more details. Also see the @code{let} example. +@item &error +@code{&error} should be followed by a string, an error message, in the +edebug-spec; it aborts the instrumentation, displaying the message in +the minibuffer. + @item @var{other-symbol} @cindex indirect specifications Any other symbol in a specification list may be a predicate or an |