Angus Leeming wrote: > > On Monday 29 October 2001 8:38 am, Herbert Voss wrote: > > testing valid float placement is something cruel, > > > > [htbp] in any combination and with an additional > > ! in front and [H], but any char should appear > > only once. > > > > this test of a valid placement makes only sense > > when the user defines this as a string and not > > from a gui with buttons. I don't know if I'm right, > > but the user hasn't the possibility to set > > wrong placements ???? > > > > Herbert > > So, you're assuming that the user knows that [htbp], ! and H are the only > valid input. Quite a lot to assume, I feel. Much better to do this with > buttons. > > IFF you disagree with me violently, then why not write a filter that prevents > invalid input. See the code in input_validators.C
my question was: why to check, when the user cannot enter (at this time) wrong placements? it's not my problem to do a check, but why? Herbert