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a few typographical changes (e.g. -- => ---) and lots of new stuff in the WWW chapter

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Guido van Rossum 1995-02-28 17:14:32 +00:00
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@ -2965,7 +2965,7 @@ Reference for a full description.
\section{Generalized Dictionaries}
The keys of dictionaries are no longer restricted to strings -- they
The keys of dictionaries are no longer restricted to strings --- they
can be any immutable basic type including strings, numbers, tuples, or
(certain) class instances. (Lists and dictionaries are not acceptable
as dictionary keys, in order to avoid problems when the object used as
@ -3097,7 +3097,7 @@ You can define three new ``magic'' methods in a class now:
and \code{__delattr__(self, name)}.
The \code{__getattr__} method is called when an attribute access fails,
i.e. when an attribute access would otherwise raise AttributeError --
i.e. when an attribute access would otherwise raise AttributeError ---
this is {\em after} the instance's dictionary and its class hierarchy
have been searched for the named attribute. Note that if this method
attempts to access any undefined instance attribute it will be called
@ -3108,7 +3108,7 @@ assignment to, respectively deletion of an attribute are attempted.
They are called {\em instead} of the normal action (which is to insert
or delete the attribute in the instance dictionary). If either of
these methods most set or delete any attribute, they can only do so by
using the instance dictionary directly -- \code{self.__dict__} -- else
using the instance dictionary directly --- \code{self.__dict__} --- else
they would be called recursively.
For example, here's a near-universal ``Wrapper'' class that passes all
@ -3504,9 +3504,9 @@ A rudimentary, parser for HTML files is available in the module
\code{htmllib}. It currently supports a subset of HTML 1.0 (if you
bring it up to date, I'd love to receive your fixes!). Unfortunately
Python seems to be too slow for real-time parsing and formatting of
HTML such as required by interactive WWW browsers --- but it's ideal
for writing a ``robot'' (an automated WWW browser that searches the
web for information).
HTML such as required by interactive WWW browsers --- but it's good
enough to write a ``robot'' (an automated WWW browser that searches
the web for information).
\section{Miscellaneous}