gh-135676: Reword the Operators & Delimiters section(s) #137713
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Co-authored-by: Blaise Pabon <blaise@gmail.com> Co-authored-by: Adam Turner <9087854+AA-Turner@users.noreply.github.com>
AA-Turner
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Aug 13, 2025
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| The following tokens are :dfn:`delimiters` -- simple tokens that | ||
| are not operators: |
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There are lots of (simple) tokens that are not operators. Perhaps:
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| The following tokens are :dfn:`delimiters` -- simple tokens that | |
| are not operators: | |
| The following tokens are :dfn:`delimiters` -- simple tokens that | |
| separate expressions: |
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| The period (``.``) and at-sign (``@``) can serve either as operators | ||
| or delimiters. | ||
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| The period can also occur in :ref:`floating-point <floating>` and | ||
| :ref:`imaginary` literals. |
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I think this might be clearer?
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| The period (``.``) and at-sign (``@``) can serve either as operators | |
| or delimiters. | |
| The period can also occur in :ref:`floating-point <floating>` and | |
| :ref:`imaginary` literals. | |
| The at-sign (``@``) can serve as an operator or delimiter. | |
| The period (``.``) may be an operator, a delimiter, or contained in | |
| :ref:`floating-point <floating>` and :ref:`imaginary` literals. |
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| A sequence of three periods (without whitespace between them) has a special | ||
| meaning as an :py:data:`Ellipsis` literal: |
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| A sequence of three periods (without whitespace between them) has a special | |
| meaning as an :py:data:`Ellipsis` literal: | |
| A sequence of three consecutive periods has a special meaning as an | |
| :py:data:`Ellipsis` literal: |
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| The following printing ASCII characters have special meaning as part of other | ||
| tokens or are otherwise significant to the lexical analyzer: |
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The characters in this section (', ", #, \) have all been previously covered, does it make sense to keep the section?
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Lexically, there is no difference between operators and delimiters, so I combined the section.
This section also serves as a kind of guide for what all the ASCII "symbol" characters do, with notes like “The period can also occur in floating-point and imaginary literals” and “The following printing ASCII characters are not used in Python”.
I've expanded the notes to include
@,{, etc., but (for now) stopped short of adding a table of ASCII characters with links to where they appear.The tables of symbols are reorganized slightly.
.was added to operators (like@, it can be either operator or delimiter).->was moved from augmented assignment to delimiters.📚 Documentation preview 📚: https://cpython-previews--137713.org.readthedocs.build/