highlight

0.5.2

Syntax Highlighter

5packages depend

19.2Kdownloads / year

–test coverage

13/13checks pass

Overview

About

Maintained by Hadley WickhamFirst published 2009-11-2226 releasesCRAN page ↗GitHub ↗

Syntax highlighter for R code based on the results of the R parser. Rendering in HTML and latex markup. Custom Sweave driver performing syntax highlighting of R code chunks.

Install

R (CRAN)pak (dev)Ubuntu (r2u)openSUSE (OBS)

install.packages("highlight", repos = "https://cloud.r-project.org/")

Installs the current CRAN release. Prebuilt binaries on Windows and macOS.

if (!requireNamespace("pak", quietly = TRUE))
  install.packages("pak", repos = "https://cloud.r-project.org/")
pak::pak("hadley/highlight")

Development version from hadley/highlight. Installs pak first if it is not already available.

Release

# enable cranapt (r2u) if it is not already set up, then install
grep -rqs r2u.stat.illinois.edu /etc/apt/sources.list /etc/apt/sources.list.d/ \
  || curl -fsSL https://raw.githubusercontent.com/eddelbuettel/r2u/master/inst/scripts/add_cranapt_noble.sh | sudo bash
sudo apt install -y r-cran-highlight

Fast Ubuntu binaries via r2u (no compilation). The cranapt setup runs once and is skipped when it is already enabled.

bspm (used by r2u) also needs make: sudo apt install make

# add the autoCRAN OBS repo (Tumbleweed) if it is missing, then install
zypper -q lr | grep -qi autoCRAN \
  || sudo zypper addrepo https://download.opensuse.org/repositories/devel:/languages:/R:/autoCRAN/openSUSE_Tumbleweed/devel:languages:R:autoCRAN.repo
sudo zypper install -y R-highlight

RPMs auto-built from CRAN on openSUSE OBS (Tumbleweed).

Health

CRAN checks

13OK

Slowest check: 3.0 min · r-devel-linux-x86_64-fedora-clang

Code health

None

Tests · ratio 0.00

not tracked

Coverage

100%

Documentation · exports

Dependencies · direct

Check history

OK2026-04-25
12 OK · 0 NOTE · 0 WARNING · 0 ERROR · 0 FAILURE
NOTE2026-03-10
12 OK · 2 NOTE · 0 WARNING · 0 ERROR · 0 FAILURE

Documentation

READMEYes · 17 wordsVignettesNopkgdown siteNoNEWSYes · 100% structuredCode of conductNoContributing guideNo

Examples that run: 33%
Documented parameters: 94%
Return-value docs: 89%
References docs: 0%

Downloads

19.2K

CRAN downloads in the past year

Rank #3,541 · ~53/day · ~1.6K/mo

Releases R versions

Daily download trend is not available in this view yet.

90630 days

3.1K90 days

19.2K1 year

Compare downloads with other packages →

Also on575 r2u211 autocran4.3K conda_forge73 c2d4u

Repository

GitHub ↗ hadley/highlight

1Stars

1Forks

0Open issues

0Open PRs

2Releases

53Commits

4Contributors

53 commits · Last activity 2025-12-05 · 0% stars, 30d

Stars over time

2026-02-07 · 12026-07-07 · 1

Repository practices

Upstream repositoryBeta

7 development-tooling and community-health practices detected across 4 families in the upstream repository

Checks run against github.com/hadley/highlight on 2026-07-26.

Continuous integration (1)

GitHub Actions

CRAN release process (2)

cran-comments.mdrevdep/

Lint, format, editor (3)

AirVS CodeRStudio project

Coverage (1)

Codecov

How this is detected·Detection ruleset v1 (2026-07-18)

Dependencies

Declared dependencies

0 external dependencies (excludes base and recommended)

Depends (1)

R >= 3.2

Imports (2)

grDevicestools

LinkingTo (0)

none

Suggests (0)

none

Enhances (0)

none

Dependency license breakdown →

Reverse dependencies

5direct

0indirect

AdhereRViz HKRbook rscc CodeDepends polmineR

Code & Tests

People & History

People (3)

Maintainer (1)

Hadley Wickham

Maintainer · added in 0.5.0

Authors (1)

Romain Francois

Author

Contributors (1)

Andre Simon

Contributor · added in 0.4.4

Package Timeline

26 releases. Pick two to compare their code metrics. R releases are shown for context.

R
R 4.6.0 released · 2026-04-24
0.5.2Latest
2025-12-05 · current release · diff ↗
R
R 4.5.0 released · 2025-04-11
R
R 4.4.0 released · 2024-04-24
R
R 4.3.0 released · 2023-04-21
0.5.1
2023-01-18 · diff ↗
R
R 4.2.0 released · 2022-04-22
R
R 4.1.0 released · 2021-05-18
R
R 4.0.0 released · 2020-04-24
0.5.0
2019-12-15 · diff ↗
unarchivedReturned to CRAN
2019-12-15
0.4.7.4
2019-12-14 · diff ↗
0.4.7.3
2019-12-01 · diff ↗
R
R 3.6.0 released · 2019-04-26
R
R 3.5.0 released · 2018-04-23
0.4.7.2
2017-10-04 · diff ↗

Show 32 earlier events

R
R 3.4.0 released · 2017-04-21
0.4.7.1
2017-03-21 · diff ↗
orphanedOrphaned by its maintainer
2017-03-21
long-standing errors were not corrected. NMU by CRAN team. Further NMUs 2017-10-04 and 2019-12-01
R
R 3.3.0 released · 2016-05-03
0.4.7
2015-04-20 · diff ↗
R
R 3.2.0 released · 2015-04-16
0.4.5
2015-04-15 · diff ↗
R
R 3.1.0 released · 2014-04-10
0.4.4
2013-12-16 · diff ↗
0.4.3
2013-06-20 · diff ↗
0.4.2
2013-06-19 · diff ↗
0.4.1
2013-04-09 · diff ↗
0.4.0
2013-04-08 · diff ↗
R
R 3.0.0 released · 2013-04-03
0.3.2
2012-06-22 · diff ↗
R
R 2.15.0 released · 2012-03-30
0.3.1
2011-12-05 · diff ↗
0.3.0
2011-12-02 · diff ↗
R
R 2.14.0 released · 2011-10-31
R
R 2.13.0 released · 2011-04-13
0.2-5
2010-12-07 · diff ↗
0.2-3
2010-11-19 · diff ↗
R
R 2.12.0 released · 2010-10-15
0.2-2
2010-08-01 · diff ↗
0.2-1
2010-06-04 · diff ↗
0.2-0
2010-06-01 · diff ↗
0.1-9
2010-05-28 · diff ↗
0.1-8
2010-05-22 · diff ↗
R
R 2.11.0 released · 2010-04-22
0.1-7
2010-02-15 · diff ↗
0.1-3
2009-11-22
R
R 2.10.0 released · 2009-10-26

Package metadata

First published: 2009-11-22
Total releases: 26 / 17 yrs
License: GPL (>= 3) OSI
Minimum R: ≥ 3.2
Download size: 347 KB
Installed size: not tracked yet
With dependencies: not tracked yet

Appears in task views

Reproducible Research

Report a problem with this page →