On 06/10/2014 06:12 PM, Waldek Hebisch wrote:
> I have impression that you make several changes which go beyond
> generating LaTeX. In particular, AFAICS 'array' works fine
> LaTeX and I do not see why you replace it by 'pmatrix'.
Why do you fight for 'array' instead of 'pmatrix'?
> Also, have you checked that 'ungroup' handles each case correctly?
> In partucluar, are you sure that no construct will generate empty
> group (AFAICS 'ungroup' would colapse empty group to nothing which
> changes semantics).
I haven't seen a bug. No latex error for the whole book.
Do you want me to add a testsuite?
Furthermore, ungroup only removes braces if the first and the last
character of the string is { and }, respectively. If ungroup simplifies
{} to the empty string, that doesn't matter for the cases where I have
added 'ungroup'.
The only problem that can possibly happen is if ungroup removes braces
from something like "{....}{...}", but I haven't seen code that
generates a string like this.
Ralf
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