On 07/05/2016 10:31 PM, Eli Zaretskii wrote:
> If you remove the Info files in the 'info' subdirectory of the
> top-level Emacs directory tree, then say "make V=1", the Info files
> should be rebuilt.

  All of them got rebuilt, including calc.info.  Many thanks.
  
-- 
Udyant Wig