Am Sun, 1 Jun 2014 21:23:39 +0200 schrieb Frank Mittelbach:
>> This code breaks the float package if fixltx2e is loaded afterwards.
>> Which happens if one has the habit of loading packages alphabetically
>> and invoking fontspec which requires fixltx2e. By this, documents with
>> the header
>>
>> \documentclass{article}
>> \usepackage{float}
>> \usepackage{fixltx2e}
>>
>> \begin{document}
>>
>> will not compile anymore. Is this intended? Would it help or do any harm
>> if the float check would be added \AtBeginDocument?
> just checked: CTAN has the right file with version number 1.1q for
> fix-cm and that file doesn't have the extra rubbish inside any longer,
> so it looks like you still run the initial beta where the docstrip guard
> was missing
Arno wrote about fixltx2e and not fix-cm. And he is right: If loaded
after float fixltx2e overwrites the float definition of float: