Revision history for Perl module and script App::paperback.

1.31  Sun Sep 18 09:00:00 2022
	- Improve documentation

1.30  Wed Sep 14 16:00:00 2022
	- Improve documentation

1.28  Wed Sep 14 15:00:00 2022
	- Improve documentation

1.27  Wed Sep 14 12:00:00 2022
	- Gain some speed by calling subs with "&" when empty of parameteres

1.26  Tue Sep 13 09:00:00 2022
	- General cleaning of syntax and faster xform inner sub

1.25  Mon Sep 12 12:00:00 2022
	- Deleted redundant check when opening input file
	- Reformulated size checking

1.24  Sun Sep 11 00:00:00 2022
	- Replace global variable with state variable
	- Avoid useless check for GpageXObject

1.23  Fri Sep 9 10:00:00 2022
	- Fix bug in 'state %known' (v1.22) that made PDF bigger than needed

1.22  Fri Sep 9 09:00:00 2022
	- Add test and early die in case a nonexistant page is requested

1.21  Thu Sep 8 21:00:00 2022
	- Correct output paper size for QuarterLegal input
	- Made test in for loop both simpler and warning-free

1.20  Thu Sep 8 15:00:00 2022
	- Add processing for input page sizes Letter and A4

1.19  Thu Sep 8 09:00:00 2022
	- Fix bug in output paper size determination

1.18  Wed Sep 7 21:00:00 2022
	- Replace paper size constants by calculations and a hash

1.17  Wed Sep 7 15:00:00 2022
	- Improve page size recognition on modern PDF files

1.16  Wed Sep 7 09:00:00 2022
	- Clearer variable and sub names

1.15  Sat Sep 3 09:00:00 2022
	- Begin road to managing PDFs with xref streams by recognising them 

1.14  Thu Sep 1 15:00:00 2022
	- Faster exit with error when input file is not a PDF

1.13  Thu Sep 1 10:00:00 2022
	- Fix error messages

1.12  Thu Sep 1 09:00:00 2022
	- Fix handling of 'versioned' v1.4 PDF files

1.11  Wed Aug 31 09:00:00 2022
	- Change global var to state, rename functions and var

1.10  Tue Aug 30 15:00:00 2022
	- Rename and simplify extractXrefSection

1.09  Mon Aug 29 09:00:00 2022
	- Simplify syntax in several subroutines

1.08  Sun Aug 28 21:00:00 2022
	- Fix typo in error message

1.07  Sun Aug 27 09:00:00 2022
	- Check all m'' and s'' options, fix example for App::paperback (library use)

1.06  Sat Aug 27 23:00:00 2022
	- Syntax revision

1.05  Sat Aug 27 21:00:00 2022
	- Simplify logical page rotation

1.04  Sat Aug 27 12:00:00 2022
	- Change version schema, delete one global variable, delete Exporter

1.03  Fri Aug 26 15:00:00 2022
	- Improve documentation. Add schemas explanation

1.02  Thu Aug 25 21:00:00 2022
	- Fix bug in signature reduction math

1.01  Wed Aug 24 13:00:00 2022
	- Fuller META.json for MetaCPAN

1.00  Wed Aug 24 12:00:00 2022
	- Use fewer signatures if input PDF has fewer than 13 pages

0.42  Mon Aug 22 12:00:00 2022
	- Drop o switch in matches (William Lindley) and some useless variables

0.41  Mon Aug 22 07:00:00 2022
	- Typo fixed (thanks go to William Lindley)

0.40  Sun Aug 21 18:00:00 2022
	- Perlify some ifs and elses with postfix notation

0.39  Sun Aug 21 12:00:00 2022
	- Add CONTRIBUTING.md

0.38  Sun Aug 21 08:00:00 2022
	- Mark as stable

0.37  Sun Aug 21 07:00:00 2022
	- Add META file as expected by CPAN

0.36  Sat Aug 20 21:00:00 2022
	- Replace Unicode characters with ASCII, for cleaner output on Windows

0.35  Sat Aug 20 17:00:00 2022
	- Exclude Git bookkeeping from distribution ;)

0.34  Sat Aug 20 16:00:00 2022
	- Synchronize min Perl needed to install and run to v5.10

0.33  Sat Aug 20 13:00:00 2022
	- First public version

