version 2.5.25 (bison 3.8.2, flex 2.6.4)

• upgrade win_bison to version 3.8.2
• upgrade m4 to version 1.4.19

version 2.5.24 (bison 3.7.4, flex 2.6.4)

• upgrade win_bison to version 3.7.4
• upgrade m4 to version 1.4.18
• upgrade gnulib
• removed VS2015 support
• fixed win_bison --update option (renaming opened file)

version 2.5.23 (bison 3.7.1, flex 2.6.4)

upgrade win_bison to bison version 3.7.1, also see announcement of bison 3.7

Note: not working on Windows XP any more

win_flex_bison-2.5.23.zip

version 2.5.22 (bison 3.5.0, flex 2.6.4)

upgrade win_bison to bison version 3.5.0, also see announcement of bison 3.4.2

Note: last version that can be executed on Windows XP

fixes #46, #49

version 2.5.21 (bison 3.4.1, flex 2.6.4)

avoid _m4eof lines in generated bison code while printing warnings

version 2.5.20 (bison 3.4.1, flex 2.6.4)

recovered invoking win_bison from different folders

version 2.5.19 (bison 3.4.1, flex 2.6.4)

upgrade win_bison to bison version 3.4.1

version 2.5.18 (bison 3.3.2, flex 2.6.4)

• upgrade win_bison to bison version 3.3.2

version 2.5.17 (bison 3.3.1, flex 2.6.4)

• upgrade win_bison to bison version 3.3.1

version 2.5.16 (bison 3.1, flex 2.6.4)

• upgrade win_bison to bison version 3.1
• write output flex/bison files in binary mode "wb" that means use '\n' EOL not '\r\n'
• documentation about how to use the custom build-rules is now included