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| Contributions |
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| 2019-06-04 08:26:12  ruv  wrote:
| requestClarification - Terminology and wording regarding "dictionary"
| see: https://forth-standard.org/standard/notation#contribution-82
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### 1.
Have a look at the _code space_, _data space_ and _name space_ term definitions — they all are logical areas of the _dictionary_.
But _dictionary_ defined as:

> __dictionary__:  An extensible structure that contains definitions and associated data space.

What is the rationale that only the _data space_ is mentioned (but the _code space_ and _name space_ are missed)? It looks like an inconsistency.


### 2.
Have a look at the following term definitions:

>   __name space__: The logical area of the dictionary in which definition names are stored.

>    __find__: to search the dictionary for a definition name matching a given string.

What is the rationale that a "definition name" is searched not in the _name space_ but in the _dictionary_?

It seems that referring to the _name space_ would be more precise in such cases. OTOH, in practice, the term "name space" is often used as a hyperonym for the term "word list". Perhaps it should be taken into account in the further revisions and there is a sense to involve the term "header space" as the logical area in which definition names and meta-information are stored.




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| Replies |
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| 2019-05-22 07:24:15  AntonErtl  replies:
| requestClarification - Overflow/underflow
| see: https://forth-standard.org/standard/core/Plus#reply-217
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Section 3.2.2.2 specifies the behaviour on overflow or underflow.  The next standard will refine this; see the proposal [2s-Complement Wrap-Around Integers](http://www.forth200x.org/twos-complement.html).


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| 2019-05-22 18:30:57  PeterKnaggs  replies:
| requestClarification - Numeric overflow/underflow
| see: https://forth-standard.org/standard/core/PlusLOOP#reply-218
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No, but it does have a carry flag.