Add ANSI color support and customization#6
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Color support improves diff readability, but Text::Diff currently lacks it. Built-in ANSI color support would avoid fragile external wrappers (e.g. colordiff) or duplicated subclass code. Provide a configurable API for enabling colors and customizing palettes. Changes (Diff.pm) - Use three-arg open(). - Add ANSI color support and palette customization; document COLOR and PALETTE options in POD. - Fix minor style and whitespace issues. - Fix POD typo. Changes (Table.pm) - Remove unused Carp. - Split file_footer() into private functions for testing. - Add ANSI color support and palette customization. - Fix minor style and whitespace issues. - Fix POD formatting and typos.
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Rationale
Color support improves diff readability, but Text::Diff currently lacks it. Built-in ANSI color support would avoid fragile external wrappers (e.g. colordiff) or duplicated subclass code. Provide a configurable API for enabling colors and customizing palettes.