#16447: do not use identical var names when constructing rings
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Reporter: rws | Owner:
Type: defect | Status: new
Priority: major | Milestone: sage-6.3
Component: commutative algebra | Resolution:
Keywords: | Merged in:
Authors: | Reviewers:
Report Upstream: N/A | Work issues:
Branch: | Commit:
Dependencies: | Stopgaps:
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Comment (by novoselt):
Definitely no to automatic change of names: it can have any sense only
when working interactively when the user can notice a substitution. If it
is in the code, the name supplied to the constructor may be used later in
exactly the same form rather than requesting generators of the new ring.
I also want to point out that **`SR["t"]` is still a useful
construction**, at least I have found it useful and I think some other
people as well. So prohibiting it without a clear replacement is not
ideal. And a clear replacement would be, I think, a symbolic ring with
either whitelisted or blacklisted names.
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Ticket URL: <http://trac.sagemath.org/ticket/16447#comment:3>
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