…h mode

… interactive goal.

…o readme.

…is a float, the result is a float; all float1 tmath functions automatically produce float64 output.

… NormL2, NormL1

…st per actual sprintf

…s are maximally assignable.

… code

… plots.

…e, and now that it is fixed, the closure is not properly capturing changes. weird.

… right thing to do for persistence over full updates.

…ht it was already nested inside one but apparently not..

…ocus widget is not the clicked widget. This provides a robust, general solution to applying changes in textfields etc prior to clicking on buttons etc. Fixes #1158

… in there. Fixes #1381

…horter..

…Table is more robust

…ng issue for add-fields of spinners

… containers like frame, because that is what they actually take upt. restore previous form code (otherwise it doesn't update) and update the addfields test. a couple of scrollbar tests are now failing -- needs further investigation. otherwise only improvements from this fix.