Support right-side sidebar decorations - #3985
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September 7, 2026 16:05
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Add the opt-in
sidebar-rightstyle modifier to move the selected line numbers, Git markers and grid to the right of the content. For example,--style=default,sidebar-rightuses the usual decorations on the right;--style=+sidebar-rightpreserves the configured decoration selection. Library callers can usePrettyPrinter::sidebar_right().Render the sidebar after each physical row, padding shorter rows to the available width. Continuation rows leave the number and Git marker blank. Mirror header/footer grid junctions and align headers and snip separators with the relocated grid. Number/plain shortcuts retain the placement modifier without enabling other decorations. Defaults keep the existing left-side layout.
With wrapping disabled, overlong content keeps its complete text and appends the sidebar after it. Moving decorations does not remove them from a multiline terminal selection; the README explains using plain output for that use case. Help, manual and four shell completions are updated.
Fixes #2245.
Validation: 481 tests passed with all features, including eight new process/library regressions; seven platform/manual tests were ignored. Coverage includes character/word/no wrapping, wide Unicode, CRLF and missing final newlines, tabs, nonblank numbering, ANSI colors and highlighted backgrounds, narrow terminals, headers, snips, Git changes, plain output and resetting the library option. All-target/all-feature Clippy, formatting, Bash/Zsh parsing and the minimal regex-onig library build passed.