Revision history for Astro::FITS::Header
3.09 2023-04-17
  - Minor updates to documentation.
3.08 2021-02-22
  - Starlink::AST recommends prereq changed to suggests.
  - Tied interface FIRSTKEY and CLEAR methods now handle
    subheaders (RT #127228).
3.07 2012-08-02
  - Respect ReadOnly flag when opening FITS extensions.
    Fixes RT #78746 from Diab Jerius.
3.06 2012-07-13
  - Minor fix to header merging to properly treat an undef card
    as an undef values rather than as a comment card.
3.05 2012-06-27
  - Spelling fixes from debian (RT #78071)
3.04 2012-06-19
  - Numeric cards with no space before the comment are now parsed correctly.
  - A HISTORY item is now written to NDF files when the header is updated.
  - The ChangeLog has been removed from this release.
3.03 2011-01-04
  - Ensure that GPL is used throughout package rather than a mix of Perl licence
    and GPL. Fixes RT #61875
3.02 2010-12-31
  - Use Module::Build
3.01 2009-03-17
  - New append() method to append a header or items to an existing
    header, overwriting duplicates.
  - A header can now be constructed from a simple perl hash
  - Item objects now have a copy constructor.
  - When importing an AST frameset a specific encoding can be
    specified.
  - The Item constructor can now guess the header type.
  - Fixes in item removal, tied interface for history and subheaders
    and NDF opening when a directory has a space.
3.0 2006-08-19
 - Can now select items by type using the itembytype() method.
 - Add equals() method.
 - Add ability to merge two Header objects into one.
 - Subheaders now supported by tie.
 - Fix bug RT#4816 (Diab Jerius)
 - change the distribution layout to be more in line with standard usage.
2.9.2 2004-03-07
 - Fix tied interface to recognized proper FITS undef cards
 - Fix bug in comment parsing (duplicate of RT #11722)
 - Add optional support for Starlink::AST module