NEWS

contentanalysis 1.1.0.9000

New classify_rhetorical_moves() function: classifies rhetorical moves at the sentence level in scientific text, based on Swales' CARS model and extensions for Literature Review and Discussion/Conclusion sections. Uses a hybrid rule-based approach, optionally enhanced with Google Gemini LLM classification
analyze_scientific_content() gains rhetorical_moves and rhetorical_model arguments to optionally include rhetorical move classification in the analysis output
Improved PDF import: better handling of multi-column layouts and automatic removal of running headers and first-page headers/footers
Improved reference parsing with format-aware detection (parenthetical, bare-year, and numbered styles) and CrossRef enrichment of references extracted from the PDF
Fixed R CMD check portability NOTE by replacing non-ASCII characters in R/pdf_import.R with Unicode escapes
Fixed R CMD check NOTE about non-standard top-level files by adding test_rhetorical_moves.R, tasks, and revdep to .Rbuildignore

Improved PDF import module to identify
Improved plot_citation_clusters(): TF-IDF bar chart now uses a 2-column grid layout with color-coded section title annotations
Fixed R CMD check NOTE about hidden .claude directory by adding it to .Rbuildignore
Fixed README: cluster plots are now rendered as static PNG images visible on GitHub
Fixed README: word distribution plot no longer appears twice

Improved reference matching by normalizing first author surnames
Removed old Gemini models 1.5 and 2.0
Updated documentation to reflect changes in reference matching and model removal