Nicolas Goaziou <m...@nicolasgoaziou.fr> writes: > The intent of the check is to warn the user that a columns contains > invalid values. Applying `string-to-number' unconditionally could give > strange results for example, with {mean,%.2f}.
I do see your point here. I don't use mean, but it is probably good to warn users about invalid values for such summary types. If you intend to warn the user, why don't you use display-warning or something similar? However, for {+} the default return value of string-to-number fits pretty well. Aborting with a user-error here seems a bit over the top for me. Especially, because there is no indication what entry caused the error. > There is no point to have a "TODO" or a "XXX" value in a column > that is summarized with {+;%.2f}. I believe it makes a lot of sense to have :PROPERTIES: :Effort: TODO :END: and the old behavior of treating TODO as 0 in such cases seems perfect to me. I believe you should also permit users to make {+} summaries, when they are not yet finished with annotating all items. Currently also a missing property cases an error. Hendrik