rolog 0.9.20

• Bidirectional support: Access SWI-Prolog from R and vice-versa.
• Changed license to BSD-2

rolog 0.9.19

• Maintainance release: fixes problems reported by UBSAN

rolog 0.9.18

• bugfix: PL-get-atom-chars
• workaround for Rcpp::Language

rolog 0.9.17

• Maintainance release: improve behavior with parallel make

rolog 0.9.16

• Maintainance release: improve detection of swi-prolog at runtime

rolog 0.9.15

• Migrate to C functions (prepare wrapper library for rswipl)

rolog 0.9.14

• Maintainance release: more informative error message if SWI-Prolog is missing

rolog 0.9.13

• Maintainance release: compatible with static libswipl.a from R package rswipl

rolog 0.9.12

• represent vectors as double hash, dollar, !, %
• matrices triple hash, dollar, !, %
• compatible with R-4.3

rolog 0.9.11

• Maintainance release: fix problems with exception handling

rolog 0.9.10

• Support for R environments (r_eval)
• Backward compatible with swipl 8.4.2

rolog 0.9.9

• Support for formulae (convert to call)
• LinkingTo: rswipl

rolog 0.9.8

• Support for matrices
• Support for exceptions

rolog 0.9.7

• Represent R functions as ':-'/2 in Prolog

rolog 0.9.6

• Separate SWI-Prolog runtime in R package rswipl
• Connect to installed SWI-Prolog (Windows registry, PATH, SWI_HOME_DIR)

rolog 0.9.5

• skipped. Will use updated C++ interface at a later stage.

rolog 0.9.4

• Added a vignette with a manuscript for JSS
• Patch on swipl to suppress a deprecation warning under macOS (vfork)

rolog 0.9.3

• Added a NEWS.md file to track changes to the package.
• Temporarily remove diagrams from the package vignette because DiagrammeR is currently not available in r-devel.
• Slightly faster build on Windows