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yaml (development version)

Fixes for C API compliance.
Switched from CHANGELOG to NEWS.md.

yaml 2.3.10

Added necessary includes for stdio.h and stddef.h.

yaml 2.3.9

Edited documentation.

yaml 2.3.8

Added verbatim_logical helper function.

yaml 2.3.7

clang deprecated sprintf. Changed in included clib to snprintf.

yaml 2.3.6

C deprecated functions with no prototypes, these were added.

yaml 2.3.5

Patch to put back in libyaml modifications that as.yaml relied on.

yaml 2.3.4

Added read_yaml parameter readLines.warn that defaults to TRUE for overriding warnings about incomplete files.

yaml 2.3.3

Fixed Bug #99, support for BUILTINSXP functions as handlers.

yaml 2.3.2

Removed some code that got reverted in the libyaml 0.2.5 merge at 2.2.4 release.

yaml 2.3.1

Added omap support for output using proper tag.

yaml 2.3.0

Made eval.expr default to FALSE.

yaml 2.2.4

Updated libyaml code from 0.2.5.

yaml 2.2.3

Added attribute quote support for strings (#72, #109).

yaml 2.2.2

Changed maintainer from Jeremy Stephens to Shawn Garbett.
Moved Git repository to https://github.com/vubiostat/r-yaml.

yaml 2.2.1

Added merge.precedence option to yaml.load.
Fixed improper handling of explicit !bool tag (reported by Luke Goodsell).
Fixed memory issue flagged by valgrind.
Updated LibYAML to 0.2.2.
Fixed some -Wall warnings to appease CRAN.

yaml 2.2.0

Added custom handlers to as.yaml.
Added processing of 'verbatim' class in as.yaml.
Added processing of 'tag' class in as.yaml.
Changed examples/tests to write to tempfiles to appease CRAN.
Fixed as.yaml representation of very small negative floating point numbers (reported by Ryan Welch).
Properly ignore a map key that would override a key from a merged map (reported by Bradley Saul).
Gracefully fail compilation if GCC fast-math flag is enabled (reported by Dmitriy Selivanov).
Switched from testthat to RUnit for unit testing since RUnit has fewer dependencies and does not require compilation.

yaml 2.1.19

Fixed unserialization issues with int#base60 tag (reported by Nancy Irisarri).
Added eval.expr option to yaml.load function.
Fixed issue with error.label argument (patch by Gregory R. Warnes).
Fixed a few garbage collection protection issues.

yaml 2.1.18

Fixed protection stack bugs (reported by Rich FitzJohn).

yaml 2.1.17

Rewrote parsing functionality using pairlists instead of a self-managed protection stack in order to appease rchk.
Use MARK_NOT_MUTABLE instead of SET_NAMED, which is deprecated.
Show warning when duplicate map key is ignored during a merge.

yaml 2.1.16

Fixed error checking bug regarding number conversions.

yaml 2.1.15

Improved handling of UTF-8 encoded files.
Added Github URL to description file.
Added read_yaml and write_yaml convenience functions.
Added error.label parameter to yaml.load and yaml.load_file.
Recognize floating point numbers without leading 0.
Fixed nested list issue.
Show warning for integer/real overflow.

yaml 2.1.14

Marked character input/output as UTF-8 (patch submitted by Yihui Xie).
Updated LibYAML to 0.1.7.

yaml 2.1.13

Fixed integer overflow issue.
Explicitly cast pointers from char to yaml_char_t, and vice versa.

yaml 2.1.12

Properly emit factors with NAs (bug submitted by Jenny Bryan).
Updated LibYAML to 0.1.6.

yaml 2.1.11

Updated LibYAML to 0.1.5.

yaml 2.1.10

Properly escape names in data frames and lists (bug submitted by Paul Hodor).
Removed extra digit in Windows when formatting exponential numbers.

yaml 2.1.9

CRAN maintainers changed memcpy to memmove.

yaml 2.1.8

Properly emit and consume numeric values in scientific notation (bug submitted by Gergely Daróczi).
Added 'precision' argument to as.yaml to control how many digits are printed when emitting.

yaml 2.1.7

Properly emit and consume special values: Inf, -Inf, NaN, NA, TRUE, and FALSE (bug submitted by Richard Cotton).
- Inf is emitted as .inf.
- -Inf as -.inf.
- NaN as .nan.
- TRUE is now emitted as yes, and FALSE as no.
Because the YAML specification does not specify how to handle NA values, the various NA types are emitted as follows:
- NA: .na
- NA_real_: .na.real
- NA_integer_: .na.integer
- NA_character_: .na.character

yaml 2.1.6

Added unicode option to as.yaml() (bug submissions by Gergely Daróczi and Aleksandar Blagotić).

yaml 2.1.5

Fixed yaml.load() ignoring explicit quotes around strings (bug submitted by Jonas Zimmermann).
Fixed as.yaml() not quoting strings that need to be quoted.

yaml 2.1.4

Replaced lang5() function for backwards compatibility with R < 2.12.0 (bug submitted by Philipp Hofmann).

yaml 2.1.3

Fixed as.yaml() converting numeric vectors incorrectly (bug submitted by Markus Göker).

yaml 2.1.2

Fixed multiple anchor bug (bug submitted by apshaar).

yaml 2.1.1

Removed redundant yaml-package help page.
Fixed solaris compilation error.
Removed printf/assert symbols from the compiled library.

yaml 2.1.0

Rewrote as.yaml in C (using libyaml's emitter).
Removed the pre.indent option to as.yaml, mainly because libyaml doesn't support pre-indention and I'm not sure the option is useful anymore; will revisit if requested.

yaml 2.0.0

Switched from the Syck parser to the libyaml (0.1.4) parser.
Sequences of sequences no longer collapse when they contain the same type; ex: yaml.load("[1, [2, 3], 4]") returns list(1L, c(2L, 3L), 4L).

yaml 1.2.0

Added support for loading R expressions (using the !expr tag).
Added multiline string support.
Added support for nameless lists in as.yaml (converts to a sequence).

yaml 1.1.0

Added support for omaps.
Added yaml.load_file function to read from files/connections.
Using format instead of as.character now in as.yaml.default.

yaml 1.0.2

Fixed as.yaml bug where a nested empty list wasn't converted correctly.

yaml 1.0.1

yaml.load will now load empty documents (bug submitted by Jeff Klingner).
as.yaml will return '[]' for empty objects (patch submitted by Brendan O'Connor).
as.yaml will now create valid YAML for a list that contains a list of length one (bug submitted by Gabor Grothendieck).