Commit a41c174f authored by Kim F. Storm's avatar Kim F. Storm
Browse files

(Basic Completion): Allow symbols in addition to

strings in try-completion and all-completions.
parent 3809648a
......@@ -595,9 +595,9 @@ the higher-level completion features that do use the minibuffer.
@defun try-completion string collection &optional predicate
This function returns the longest common substring of all possible
completions of @var{string} in @var{collection}. The value of
@var{collection} must be a list of strings, an alist, an obarray, a
hash table, or a function that implements a virtual set of strings
(see below).
@var{collection} must be a list of strings or symbols, an alist, an
obarray, a hash table, or a function that implements a virtual set of
strings (see below).
Completion compares @var{string} against each of the permissible
completions specified by @var{collection}; if the beginning of the
......@@ -610,11 +610,13 @@ match.
If @var{collection} is an alist (@pxref{Association Lists}), the
permissible completions are the elements of the alist that are either
strings or conses whose @sc{car} is a string. Other elements of the
alist are ignored. (Remember that in Emacs Lisp, the elements of
alists do not @emph{have} to be conses.) As all elements of the alist
can be strings, this case actually includes lists of strings, even
though we usually do not think of such lists as alists.
strings, symbols, or conses whose @sc{car} is a string or symbol.
Symbols are converted to strings using @code{symbol-name}.
Other elements of the alist are ignored. (Remember that in Emacs Lisp,
the elements of alists do not @emph{have} to be conses.) As all
elements of the alist can be strings, this case actually includes
lists of strings or symbols, even though we usually do not think of
such lists as alists.
@cindex obarray in completion
If @var{collection} is an obarray (@pxref{Creating Symbols}), the names
......
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