#7496: symbolic variable names should be valid identifiers, or ridiculousness
follows
-------------------------------------------------+--------------------------
Reporter: was | Owner: burcin
Type: defect | Status:
needs_review
Priority: major | Milestone: sage-4.7.1
Component: symbolics | Keywords: sd31
Work_issues: | Upstream: N/A
Reviewer: Karl-Dieter Crisman, Volker Braun | Author: Volker
Braun, Karl-Dieter Crisman
Merged: | Dependencies:
-------------------------------------------------+--------------------------
Old description:
> WTF?
>
> {{{
> sage: var('1')
> 1
> sage: var('1')+1
> 1 + 1
> sage: expand((var('2')+var('2'))^2)
> 4*2^2
> }}}
>
> When this ticket is closed, #9724 can also be closed.
>
> ----
> Apply [attachment:trac_7496_check_symbolic_variable_names.patch] and
> [attachment:trac_7496-reviewer.patch].
New description:
WTF?
{{{
sage: var('1')
1
sage: var('1')+1
1 + 1
sage: expand((var('2')+var('2'))^2)
4*2^2
}}}
When this ticket is closed, #9724 can also be closed.
----
Apply [attachment:trac_7496_check_symbolic_variable_names.patch] and
[attachment:trac_7496-reviewer.2.patch].
--
Comment(by vbraun):
The error message for the "empty variable" case changed in my patch, I
just updated the reviewer patch to take that into account.
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/7496#comment:14>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
and MATLAB
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