Version 1.7.3

This release includes some bugfixes and enhancements.

• Fixed a memory access violation bug in config_clear()
• Various fixes to CMake and Visual Studio build files
• Added a Setting::isString() method
• Fixed a bug in config_setting_lookup() where the setting itself (instead of NULL) would be returned if the path was not found.
• Renamed all remaining internal methods that lacked a 'libconfig_' prefix.

Version 1.7.2

• Fixed a slow memory leak in config_destroy()
• Miscellaneous fixes in build files

Version 1.7.1

This release includes some bugfixes and minor enhancements.

• Fixed a bug that caused incorrect processing of strings with escape sequences.
• Added a new 'fsync' configuration option.
• Merged some contributed updates to CMake files.

Version 1.7

This release fixes various build issues, portability problems, and minor bugs.

• Redesigned the directory-include feature to avoid using platform-specific directory scanning code, and to fix a bug in the handling of nested includes. The application can now do its own directory scanning and/or wildcard expansion by registering an include function.
• Added new CONFIG_OPTION_ALLOW_SCIENTIFIC_NOTATION to allow either %f or %g-style formatting for floating point values.
• Improved the options APIs in both the C and C++ libraries.
• Improved the automatic conversion between int and int64 values.
• Fixed build errors caused by out-of-sync generated lexer and parser source files.
• Various internal code cleanup.
• Fixed failing unit tests.
• Fixed a problem where a group or list could be added to an array.
• Changed default float precision from 2 to 6.
• Added an API to clear an existing configuration.
• Upgraded VS2015 solution/project files to VS2017.
• Modified grammar to allow trailing commas in lists and arrays.
• Removed logic that clipped negative values to 0 in (unsigned int) cast operator.
• Updated manual and added a new chapter on other libconfig implementations and bindings.

v1.6

   * Added include_dir feature (support for Debian-style conf.d/
      includes) (pull request #36)

    * Added octal_ints feature (support for integer expressed in octal,
      useful for permissions and masks in UNIX-like systems (pull req #42)

    * Fixed "Removing a setting removes all siblings" (issue #41)
      Props random85

    * Allow specifying the number of decimals wanted when outputting
      Based upon a suggestion by zhaopingsun (issue #31)

    * Make libconfig usable from CMake (pull request/issue #28)
      Props thfi

    * Documentation fixes
      - Copyright and examples
      - Included TeX patch from Debian (fixes FTBS with TeXlive)

    * Resync Debian packaging
      includes updated packages for GCC5 transition