docs: document conditional execution via QUARTO_EXECUTE_INFO#2043
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cderv wants to merge 10 commits into
Open
docs: document conditional execution via QUARTO_EXECUTE_INFO#2043cderv wants to merge 10 commits into
cderv wants to merge 10 commits into
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Adds a section linking to docs/advanced/quarto-execute-info.qmd so users browsing execution options discover the format-aware QUARTO_EXECUTE_INFO env var. Part of #13514.
Points readers of computations/r.qmd at QUARTO_EXECUTE_INFO so they can branch on output format. Mirrors the additions for Python and Julia. Part of #13514.
The {r} marker was unescaped inside a markdown verbatim block;
Quarto would have treated it as an executable cell on render.
Matches the {{r}} escape pattern used by the sibling Chunk Labels
example in the same file.
Part of #13514.
Points readers of computations/python.qmd at QUARTO_EXECUTE_INFO so they can branch on output format. Mirrors the additions for R and Julia. Part of #13514.
Points readers of computations/julia.qmd at QUARTO_EXECUTE_INFO so they can branch on output format. Mirrors the additions for R and Python. Part of #13514.
Markup-based .content-visible / .content-hidden hide output but do not skip execution. Adds a pointer section to QUARTO_EXECUTE_INFO for the execution-level case. Part of #13514.
Pre-existing EOF lacked a terminal newline; appending Conditional Execution section preserved that. Aligns with other .qmd files in the repo. Part of #13514.
The conditional-content example in cross-references-divs.qmd hides one branch but still runs both. Adds two pointers: (1) QUARTO_EXECUTE_INFO for users who need to skip execution, (2) project profiles as another axis for content variation beyond output format. Both flagged in issue thread. Part of #13514.
conditional.qmd and cross-references-divs.qmd both clarify that .content-visible / .content-hidden hide output but do not skip execution. The two paragraphs duplicated the same takeaway in slightly different words. Extract the single canonical version to docs/authoring/_visibility-vs-execution.md and include it from both pages. The project-profiles paragraph in cross-references-divs.qmd stays inline (specific to that page). Part of #13514.
R cells run through knitr by default, which has long offered is_html_output(), is_latex_output(), and pandoc_to() for the common format-detection cases. Worth pointing readers at those alongside the engine-agnostic QUARTO_EXECUTE_INFO approach (flagged in the issue thread by cderv). Part of #13514.
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Cross-link the existing
QUARTO_EXECUTE_INFOreference page (docs/advanced/quarto-execute-info.qmd) from the six pages users actually browse when looking for conditional-execution behavior. The reference page itself is not modified.Per the issue thread on quarto-dev/quarto-cli#13514, users want both:
docs/advanced/quarto-execute-info.qmd, already exists)This branch addresses the second part — the first already exists.
Changes
docs/computations/execution-options.qmd— new## Conditional Executionsection explaining the distinction from format-based conditional content.docs/computations/r.qmd,python.qmd,julia.qmd—## Conditional Executionsection per language, with a short verbatim snippet showing how to readQUARTO_EXECUTE_INFO. The R section also points atknitr::is_html_output(),knitr::is_latex_output(), andknitr::pandoc_to()for users who only need the common cases.docs/authoring/conditional.qmd— explicit clarifier that.content-visible/.content-hiddenhide output but do not skip execution (per cwickham's ask in the thread).docs/authoring/cross-references-divs.qmd— same execution clarifier, plus a note pointing at project profiles as another axis for content variation beyondwhen-format.docs/authoring/_visibility-vs-execution.md— shared partial used by both authoring pages so the execution-vs-visibility note has a single source of truth.The added language snippets contain no executable code (wrapped in verbatim markdown fences with
{{lang}}escaped cell markers), so no_freeze/updates are introduced.Test Plan
cross-references-divs.qmdConditional Content section now ends with the two notes (execution + project profiles) plus the existing example._visibility-vs-execution.mdpartial renders identically in both consumer pages._freeze/regeneration triggered.Closes quarto-dev/quarto-cli#13514