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# Index

A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | R | S | T | U | V | X | Y

## A

- Ada
  - language
- ada-gnat
  - Syntax checker
- AsciiDoc
  - language

- asciidoctor
  - Syntax checker
- Awk
  - language
- awk-gawk
  - Syntax checker

## B

- Bazel
  - language
- bazel-build-buildifier
  - Syntax checker
- bazel-module-buildifier
  - Syntax checker

- bazel-starlark-buildifier
  - Syntax checker
- bazel-workspace-buildifier
  - Syntax checker

## C

- C
  - language
- C++
  - language
- C-c ! ?
  - key binding
- C-c ! C
  - key binding
- C-c ! c
  - key binding
- C-c ! C-c
  - key binding
- C-c ! C-w
  - key binding
- C-c ! e
  - key binding
- C-c ! l
  - key binding
- C-c ! n
  - key binding
- C-c ! p
  - key binding
- C-c ! s
  - key binding
- C-c ! v
  - key binding
- C-c ! x
  - key binding
- C-u C-c ! C
  - key binding
- C-u C-c ! C-w
  - key binding
- C-u C-c ! s
  - key binding
- C-u C-c ! x
  - key binding
- C-u M-x flycheck-clear
  - key binding
- C-u M-x flycheck-copy-errors-as-kill
  - key binding
- C-u M-x flycheck-disable-checker
  - key binding
- C-u M-x flycheck-select-checker
  - key binding
- c/c++-clang
  - Syntax checker

- c/c++-cppcheck
  - Syntax checker
- c/c++-gcc
  - Syntax checker
- CFEngine
  - language
- cfengine
  - Syntax checker
- coffee
  - Syntax checker
- Coffeescript
  - language
- Configuration file
  - flycheck-chktexrc
  - flycheck-ember-template-lintrc
  - flycheck-flake8rc
  - flycheck-hlintrc
  - flycheck-luacheckrc
  - flycheck-markdown-markdownlint-cli-config
  - flycheck-markdown-markdownlint-cli2-config
  - flycheck-markdown-mdl-style
  - flycheck-markdown-pymarkdown-config
  - flycheck-perlcriticrc
  - flycheck-puppet-lint-rc
  - flycheck-pylintrc
  - flycheck-python-mypy-config
  - flycheck-python-ruff-config
  - flycheck-reekrc
  - flycheck-rubocoprc, [1]
  - flycheck-ruby-standardrc
  - flycheck-scalastylerc
  - flycheck-stylelintrc, [1], [2], [3]
  - flycheck-textlint-config
  - flycheck-tidyrc
  - flycheck-yamllintrc
- CSS
  - language
- css-stylelint
  - Syntax checker
- CUDA
  - language
- cuda-nvcc
  - Syntax checker
- CWL
  - language
- cwl
  - Syntax checker

## D

- D
  - language
- d-dmd
  - Syntax checker
- defcustom
  - flycheck-auto-display-errors-after-checking
  - flycheck-buffer-switch-check-intermediate-buffers
  - flycheck-cargo-check-args
  - flycheck-check-syntax-automatically
  - flycheck-checker-error-threshold
  - flycheck-checkers
  - flycheck-chktex-extra-flags
  - flycheck-chktexrc
  - flycheck-clang-args
  - flycheck-clang-blocks
  - flycheck-clang-definitions
  - flycheck-clang-include-path
  - flycheck-clang-includes
  - flycheck-clang-language-standard
  - flycheck-clang-ms-extensions
  - flycheck-clang-no-exceptions
  - flycheck-clang-no-rtti
  - flycheck-clang-pedantic
  - flycheck-clang-pedantic-errors
  - flycheck-clang-standard-library
  - flycheck-clang-warnings
  - flycheck-clear-displayed-errors-function
  - flycheck-cppcheck-args
  - flycheck-cppcheck-checks
  - flycheck-cppcheck-include-path
  - flycheck-cppcheck-inconclusive
  - flycheck-cppcheck-standards
  - flycheck-cppcheck-suppressions
  - flycheck-cppcheck-suppressions-file
  - flycheck-cuda-compiler-options
  - flycheck-cuda-definitions
  - flycheck-cuda-extended-lambda
  - flycheck-cuda-gencodes
  - flycheck-cuda-include-path
  - flycheck-cuda-includes
  - flycheck-cuda-language-standard
  - flycheck-cuda-relaxed-constexpr
  - flycheck-cwl-schema-path
  - flycheck-disabled-checkers
  - flycheck-display-errors-delay
  - flycheck-display-errors-function
  - flycheck-dmd-args
  - flycheck-dmd-include-path
  - flycheck-elixir-credo-strict
  - flycheck-emacs-lisp-check-declare
  - flycheck-emacs-lisp-initialize-packages
  - flycheck-emacs-lisp-load-path
  - flycheck-emacs-lisp-package-user-dir
  - flycheck-ember-template-lintrc
  - flycheck-erlang-include-path
  - flycheck-erlang-library-path
  - flycheck-erlang-rebar3-profile
  - flycheck-eslint-args
  - flycheck-eslint-rules-directories
  - flycheck-flake8-error-level-alist
  - flycheck-flake8-maximum-complexity
  - flycheck-flake8-maximum-line-length
  - flycheck-flake8rc
  - flycheck-gcc-args
  - flycheck-gcc-definitions
  - flycheck-gcc-include-path
  - flycheck-gcc-includes
  - flycheck-gcc-language-standard
  - flycheck-gcc-no-exceptions
  - flycheck-gcc-no-rtti
  - flycheck-gcc-openmp
  - flycheck-gcc-pedantic
  - flycheck-gcc-pedantic-errors
  - flycheck-gcc-warnings
  - flycheck-gfortran-args
  - flycheck-gfortran-include-path
  - flycheck-gfortran-language-standard
  - flycheck-gfortran-layout
  - flycheck-gfortran-warnings
  - flycheck-ghc-args
  - flycheck-ghc-language-extensions
  - flycheck-ghc-no-user-package-database
  - flycheck-ghc-package-databases
  - flycheck-ghc-search-path
  - flycheck-ghc-stack-project-file
  - flycheck-ghc-stack-use-nix
  - flycheck-ghdl-ieee-library
  - flycheck-ghdl-language-standard
  - flycheck-ghdl-workdir
  - flycheck-global-modes
  - flycheck-gnat-args
  - flycheck-gnat-include-path
  - flycheck-gnat-language-standard
  - flycheck-gnat-warnings
  - flycheck-go-build-install-deps
  - flycheck-go-build-tags
  - flycheck-go-version
  - flycheck-go-vet-print-functions
  - flycheck-help-echo-function
  - flycheck-highlighting-mode
  - flycheck-highlighting-style
  - flycheck-hlint-args
  - flycheck-hlint-hint-packages
  - flycheck-hlint-ignore-rules
  - flycheck-hlint-language-extensions
  - flycheck-hlintrc
  - flycheck-idle-buffer-switch-delay
  - flycheck-idle-change-delay
  - flycheck-indication-mode
  - flycheck-jsonnet-command-args
  - flycheck-jsonnet-include-paths
  - flycheck-lintr-caching
  - flycheck-lintr-linters
  - flycheck-local-config-file-functions
  - flycheck-luacheck-standards
  - flycheck-luacheckrc
  - flycheck-markdown-markdownlint-cli-config
  - flycheck-markdown-markdownlint-cli-disable-rules
  - flycheck-markdown-markdownlint-cli-enable-rules
  - flycheck-markdown-markdownlint-cli2-config
  - flycheck-markdown-mdl-rules
  - flycheck-markdown-mdl-style
  - flycheck-markdown-mdl-tags
  - flycheck-markdown-pymarkdown-config
  - flycheck-mode-line
  - flycheck-mode-success-indicator
  - flycheck-navigation-minimum-level
  - flycheck-perl-include-path
  - flycheck-perl-module-list
  - flycheck-perlcritic-severity
  - flycheck-perlcritic-theme
  - flycheck-perlcriticrc
  - flycheck-phpcs-standard, [1]
  - flycheck-phpmd-rulesets
  - flycheck-protoc-import-path
  - flycheck-puppet-lint-disabled-checks
  - flycheck-puppet-lint-rc
  - flycheck-pylint-use-symbolic-id
  - flycheck-pylintrc
  - flycheck-python-mypy-cache-dir
  - flycheck-python-mypy-config
  - flycheck-python-mypy-python-executable
  - flycheck-python-ruff-config
  - flycheck-reekrc
  - flycheck-relevant-error-other-file-minimum-level
  - flycheck-relevant-error-other-file-show
  - flycheck-rubocop-lint-only, [1]
  - flycheck-rubocoprc, [1]
  - flycheck-ruby-standardrc
  - flycheck-rust-args
  - flycheck-rust-binary-name
  - flycheck-rust-check-tests
  - flycheck-rust-crate-root
  - flycheck-rust-crate-type
  - flycheck-rust-features
  - flycheck-rust-library-path
  - flycheck-scalastylerc
  - flycheck-scheme-chicken-args
  - flycheck-sh-bash-args
  - flycheck-shellcheck-args
  - flycheck-shellcheck-enabled-checks
  - flycheck-shellcheck-excluded-warnings
  - flycheck-shellcheck-follow-sources
  - flycheck-shellcheck-infer-shell
  - flycheck-sphinx-warn-on-missing-references
  - flycheck-standard-error-navigation
  - flycheck-stylelint-quiet, [1], [2], [3]
  - flycheck-stylelintrc, [1], [2], [3]
  - flycheck-textlint-config
  - flycheck-textlint-plugin-alist
  - flycheck-tflint-variable-files
  - flycheck-tidyrc
  - flycheck-verilator-include-path
  - flycheck-xml-xmllint-relaxng-path
  - flycheck-xml-xmllint-xsd-path
  - flycheck-yamllintrc

- defface
  - flycheck-delimited-error
  - flycheck-error
  - flycheck-error-delimiter
  - flycheck-fringe-error
  - flycheck-fringe-info
  - flycheck-fringe-warning
  - flycheck-info
  - flycheck-warning
- defun
  - flycheck-add-next-checker
  - flycheck-clear-displayed-error-messages
  - flycheck-display-error-messages
  - flycheck-display-error-messages-unless-error-list
- defvar
  - flycheck-checker
- Dockerfile
  - language
- dockerfile-hadolint
  - Syntax checker

## E

- Elixir
  - language
- elixir-credo
  - Syntax checker
- Emacs Lisp
  - language
- emacs-lisp
  - Syntax checker
- emacs-lisp-checkdoc
  - Syntax checker
- Ember Templates
  - language

- ember-template
  - Syntax checker
- Erlang
  - language
- erlang
  - Syntax checker
- erlang-rebar3
  - Syntax checker
- executable option
- executable options

## F

- Flycheck Mode
  - Minor Mode
- flycheck-add-next-checker
  - defun
- flycheck-auto-display-errors-after-checking
  - defcustom
- flycheck-buffer
  - Interactive command
- flycheck-buffer-switch-check-intermediate-buffers
  - defcustom
- flycheck-cargo-check-args
  - defcustom
- flycheck-check-syntax-automatically
  - defcustom
- flycheck-checker
  - defvar
- flycheck-checker-error-threshold
  - defcustom
- flycheck-checkers
  - defcustom
- flycheck-chktex-extra-flags
  - defcustom
- flycheck-chktexrc
  - defcustom
- flycheck-clang-args
  - defcustom
- flycheck-clang-blocks
  - defcustom
- flycheck-clang-definitions
  - defcustom
- flycheck-clang-include-path
  - defcustom
- flycheck-clang-includes
  - defcustom
- flycheck-clang-language-standard
  - defcustom
- flycheck-clang-ms-extensions
  - defcustom
- flycheck-clang-no-exceptions
  - defcustom
- flycheck-clang-no-rtti
  - defcustom
- flycheck-clang-pedantic
  - defcustom
- flycheck-clang-pedantic-errors
  - defcustom
- flycheck-clang-standard-library
  - defcustom
- flycheck-clang-warnings
  - defcustom
- flycheck-clear
  - Interactive command
- flycheck-clear-displayed-error-messages
  - defun
- flycheck-clear-displayed-errors-function
  - defcustom
- flycheck-compile
  - Interactive command
- flycheck-copy-errors-as-kill
  - Interactive command
- flycheck-cppcheck-args
  - defcustom
- flycheck-cppcheck-checks
  - defcustom
- flycheck-cppcheck-include-path
  - defcustom
- flycheck-cppcheck-inconclusive
  - defcustom
- flycheck-cppcheck-standards
  - defcustom
- flycheck-cppcheck-suppressions
  - defcustom
- flycheck-cppcheck-suppressions-file
  - defcustom
- flycheck-cuda-compiler-options
  - defcustom
- flycheck-cuda-definitions
  - defcustom
- flycheck-cuda-extended-lambda
  - defcustom
- flycheck-cuda-gencodes
  - defcustom
- flycheck-cuda-include-path
  - defcustom
- flycheck-cuda-includes
  - defcustom
- flycheck-cuda-language-standard
  - defcustom
- flycheck-cuda-relaxed-constexpr
  - defcustom
- flycheck-cwl-schema-path
  - defcustom
- flycheck-delimited-error
  - defface
- flycheck-describe-checker
  - Interactive command
- flycheck-disable-checker
  - Interactive command
- flycheck-disabled-checkers
  - defcustom
- flycheck-display-error-messages
  - defun
- flycheck-display-error-messages-unless-error-list
  - defun
- flycheck-display-errors-delay
  - defcustom
- flycheck-display-errors-function
  - defcustom
- flycheck-dmd-args
  - defcustom
- flycheck-dmd-include-path
  - defcustom
- flycheck-elixir-credo-strict
  - defcustom
- flycheck-emacs-lisp-check-declare
  - defcustom
- flycheck-emacs-lisp-initialize-packages
  - defcustom
- flycheck-emacs-lisp-load-path
  - defcustom
- flycheck-emacs-lisp-package-user-dir
  - defcustom
- flycheck-ember-template-lintrc
  - defcustom
- flycheck-erlang-include-path
  - defcustom
- flycheck-erlang-library-path
  - defcustom
- flycheck-erlang-rebar3-profile
  - defcustom
- flycheck-error
  - defface
- flycheck-error-delimiter
  - defface
- flycheck-eslint-args
  - defcustom
- flycheck-eslint-rules-directories
  - defcustom
- flycheck-explain-error-at-point
  - Interactive command
- flycheck-first-error
  - Interactive command
- flycheck-flake8-error-level-alist
  - defcustom
- flycheck-flake8-maximum-complexity
  - defcustom
- flycheck-flake8-maximum-line-length
  - defcustom
- flycheck-flake8rc
  - defcustom
- flycheck-fringe-error
  - defface
- flycheck-fringe-info
  - defface
- flycheck-fringe-warning
  - defface
- flycheck-gcc-args
  - defcustom
- flycheck-gcc-definitions
  - defcustom
- flycheck-gcc-include-path
  - defcustom
- flycheck-gcc-includes
  - defcustom
- flycheck-gcc-language-standard
  - defcustom
- flycheck-gcc-no-exceptions
  - defcustom
- flycheck-gcc-no-rtti
  - defcustom
- flycheck-gcc-openmp
  - defcustom
- flycheck-gcc-pedantic
  - defcustom
- flycheck-gcc-pedantic-errors
  - defcustom
- flycheck-gcc-warnings
  - defcustom
- flycheck-gfortran-args
  - defcustom
- flycheck-gfortran-include-path
  - defcustom
- flycheck-gfortran-language-standard
  - defcustom
- flycheck-gfortran-layout
  - defcustom
- flycheck-gfortran-warnings
  - defcustom
- flycheck-ghc-args
  - defcustom
- flycheck-ghc-language-extensions
  - defcustom
- flycheck-ghc-no-user-package-database
  - defcustom
- flycheck-ghc-package-databases
  - defcustom
- flycheck-ghc-search-path
  - defcustom
- flycheck-ghc-stack-project-file
  - defcustom
- flycheck-ghc-stack-use-nix
  - defcustom

- flycheck-ghdl-ieee-library
  - defcustom
- flycheck-ghdl-language-standard
  - defcustom
- flycheck-ghdl-workdir
  - defcustom
- flycheck-global-modes
  - defcustom
- flycheck-gnat-args
  - defcustom
- flycheck-gnat-include-path
  - defcustom
- flycheck-gnat-language-standard
  - defcustom
- flycheck-gnat-warnings
  - defcustom
- flycheck-go-build-install-deps
  - defcustom
- flycheck-go-build-tags
  - defcustom
- flycheck-go-version
  - defcustom
- flycheck-go-vet-print-functions
  - defcustom
- flycheck-help-echo-function
  - defcustom
- flycheck-highlighting-mode
  - defcustom
- flycheck-highlighting-style
  - defcustom
- flycheck-hlint-args
  - defcustom
- flycheck-hlint-hint-packages
  - defcustom
- flycheck-hlint-ignore-rules
  - defcustom
- flycheck-hlint-language-extensions
  - defcustom
- flycheck-hlintrc
  - defcustom
- flycheck-idle-buffer-switch-delay
  - defcustom
- flycheck-idle-change-delay
  - defcustom
- flycheck-indication-mode
  - defcustom
- flycheck-info
  - defface
- flycheck-jsonnet-command-args
  - defcustom
- flycheck-jsonnet-include-paths
  - defcustom
- flycheck-lintr-caching
  - defcustom
- flycheck-lintr-linters
  - defcustom
- flycheck-list-errors
  - Interactive command
- flycheck-local-config-file-functions
  - defcustom
- flycheck-luacheck-standards
  - defcustom
- flycheck-luacheckrc
  - defcustom
- flycheck-markdown-markdownlint-cli-config
  - defcustom
- flycheck-markdown-markdownlint-cli-disable-rules
  - defcustom
- flycheck-markdown-markdownlint-cli-enable-rules
  - defcustom
- flycheck-markdown-markdownlint-cli2-config
  - defcustom
- flycheck-markdown-mdl-rules
  - defcustom
- flycheck-markdown-mdl-style
  - defcustom
- flycheck-markdown-mdl-tags
  - defcustom
- flycheck-markdown-pymarkdown-config
  - defcustom
- flycheck-mode-line
  - defcustom
- flycheck-mode-success-indicator
  - defcustom
- flycheck-navigation-minimum-level
  - defcustom
- flycheck-next-error
  - Interactive command
- flycheck-perl-include-path
  - defcustom
- flycheck-perl-module-list
  - defcustom
- flycheck-perlcritic-severity
  - defcustom
- flycheck-perlcritic-theme
  - defcustom
- flycheck-perlcriticrc
  - defcustom
- flycheck-phpcs-standard
  - defcustom, [1]
- flycheck-phpmd-rulesets
  - defcustom
- flycheck-previous-error
  - Interactive command
- flycheck-protoc-import-path
  - defcustom
- flycheck-puppet-lint-disabled-checks
  - defcustom
- flycheck-puppet-lint-rc
  - defcustom
- flycheck-pylint-use-symbolic-id
  - defcustom
- flycheck-pylintrc
  - defcustom
- flycheck-python-mypy-cache-dir
  - defcustom
- flycheck-python-mypy-config
  - defcustom
- flycheck-python-mypy-python-executable
  - defcustom
- flycheck-python-ruff-config
  - defcustom
- flycheck-reekrc
  - defcustom
- flycheck-relevant-error-other-file-minimum-level
  - defcustom
- flycheck-relevant-error-other-file-show
  - defcustom
- flycheck-rubocop-lint-only
  - defcustom, [1]
- flycheck-rubocoprc
  - defcustom, [1]
- flycheck-ruby-standardrc
  - defcustom
- flycheck-rust-args
  - defcustom
- flycheck-rust-binary-name
  - defcustom
- flycheck-rust-check-tests
  - defcustom
- flycheck-rust-crate-root
  - defcustom
- flycheck-rust-crate-type
  - defcustom
- flycheck-rust-features
  - defcustom
- flycheck-rust-library-path
  - defcustom
- flycheck-scalastylerc
  - defcustom
- flycheck-scheme-chicken-args
  - defcustom
- flycheck-select-checker
  - Interactive command
- flycheck-set-checker-executable
  - Interactive command
- flycheck-sh-bash-args
  - defcustom
- flycheck-shellcheck-args
  - defcustom
- flycheck-shellcheck-enabled-checks
  - defcustom
- flycheck-shellcheck-excluded-warnings
  - defcustom
- flycheck-shellcheck-follow-sources
  - defcustom
- flycheck-shellcheck-infer-shell
  - defcustom
- flycheck-sphinx-warn-on-missing-references
  - defcustom
- flycheck-standard-error-navigation
  - defcustom
- flycheck-stylelint-quiet
  - defcustom, [1], [2], [3]
- flycheck-stylelintrc
  - defcustom, [1], [2], [3]
- flycheck-textlint-config
  - defcustom
- flycheck-textlint-plugin-alist
  - defcustom
- flycheck-tflint-variable-files
  - defcustom
- flycheck-tidyrc
  - defcustom
- flycheck-verify-setup
  - Interactive command
- flycheck-verilator-include-path
  - defcustom
- flycheck-warning
  - defface
- flycheck-xml-xmllint-relaxng-path
  - defcustom
- flycheck-xml-xmllint-xsd-path
  - defcustom
- flycheck-yamllintrc
  - defcustom
- Fortran
  - language
- fortran-gfortran
  - Syntax checker

## G

- Global Flycheck Mode
  - Minor Mode
- Go
  - language
- go-build
  - Syntax checker
- go-errcheck
  - Syntax checker
- go-gofmt
  - Syntax checker
- go-staticcheck
  - Syntax checker

- go-test
  - Syntax checker
- go-unconvert
  - Syntax checker
- go-vet
  - Syntax checker
- Groovy
  - language
- groovy
  - Syntax checker

## H

- Haml
  - language
- haml
  - Syntax checker
- haml-lint
  - Syntax checker
- Handlebars
  - language
- handlebars
  - Syntax checker
- Haskell
  - language

- haskell-ghc
  - Syntax checker
- haskell-hlint
  - Syntax checker
- haskell-stack-ghc
  - Syntax checker
- HTML
  - language
- html-tidy
  - Syntax checker

## I

- init file
- Interactive command
  - flycheck-buffer
  - flycheck-clear
  - flycheck-compile
  - flycheck-copy-errors-as-kill
  - flycheck-describe-checker
  - flycheck-disable-checker
  - flycheck-explain-error-at-point
  - flycheck-first-error
  - flycheck-list-errors
  - flycheck-next-error
  - flycheck-previous-error
  - flycheck-select-checker
  - flycheck-set-checker-executable
  - flycheck-verify-setup
  - list-flycheck-errors

## J

- Javascript
  - language
- javascript-eslint
  - Syntax checker
- javascript-oxlint
  - Syntax checker
- javascript-standard
  - Syntax checker
- JSON
  - language

- json-jq
  - Syntax checker
- json-python-json
  - Syntax checker
- Jsonnet
  - language
- jsonnet
  - Syntax checker

## K

- key binding
  - C-c ! ?
  - C-c ! C
  - C-c ! c
  - C-c ! C-c
  - C-c ! C-w
  - C-c ! e
  - C-c ! l
  - C-c ! n
  - C-c ! p
  - C-c ! s
  - C-c ! v
  - C-c ! x
  - C-u C-c ! C
  - C-u C-c ! C-w
  - C-u C-c ! s
  - C-u C-c ! x
  - C-u M-x flycheck-clear
  - C-u M-x flycheck-copy-errors-as-kill
  - C-u M-x flycheck-disable-checker
  - C-u M-x flycheck-select-checker
  - M-0 C-c ! C-w
  - M-0 M-x flycheck-copy-errors-as-kill

## L

- language
  - Ada
  - AsciiDoc
  - Awk
  - Bazel
  - C
  - C++
  - CFEngine
  - Coffeescript
  - CSS
  - CUDA
  - CWL
  - D
  - Dockerfile
  - Elixir
  - Emacs Lisp
  - Ember Templates
  - Erlang
  - Fortran
  - Go
  - Groovy
  - Haml
  - Handlebars
  - Haskell
  - HTML
  - Javascript
  - JSON
  - Jsonnet
  - Less
  - LLVM
  - Lua
  - Markdown
  - Nix
  - Opam
  - Org mode
  - Perl
  - PHP
  - Processing
  - Protobuf
  - Pug
  - Puppet
  - Python
  - R
  - Racket
  - reStructuredText
  - RPM Spec
  - Ruby
  - Rust
  - SaltStack
  - Sass/SCSS
  - Scala
  - Scheme
  - Shell scripting languages
  - Slim
  - SQL
  - systemd Unit Configuration
  - Tcl
  - Terraform
  - TeX/LaTeX
  - Texinfo
  - Text
  - TypeScript
  - Verilog
  - VHDL
  - XML
  - YAML

- Less
  - language
- less
  - Syntax checker
- less-stylelint
  - Syntax checker
- list-flycheck-errors
  - Interactive command
- LLVM
  - language
- llvm-llc
  - Syntax checker
- Lua
  - language
- lua
  - Syntax checker
- lua-luacheck
  - Syntax checker

## M

- M-0 C-c ! C-w
  - key binding
- M-0 M-x flycheck-copy-errors-as-kill
  - key binding
- Markdown
  - language
- markdown-markdownlint-cli
  - Syntax checker

- markdown-markdownlint-cli2
  - Syntax checker
- markdown-mdl
  - Syntax checker
- markdown-pymarkdown
  - Syntax checker
- Minor Mode
  - Flycheck Mode
  - Global Flycheck Mode

## N

- Nix
  - language

- nix
  - Syntax checker

## O

- Opam
  - language
- opam
  - Syntax checker

- Org mode
  - language
- org-lint
  - Syntax checker

## P

- Perl
  - language
- perl
  - Syntax checker
- perl-perlcritic
  - Syntax checker
- perl-perlimports
  - Syntax checker
- PHP
  - language
- php
  - Syntax checker
- php-phpcs
  - Syntax checker
- php-phpcs-changed
  - Syntax checker
- php-phpmd
  - Syntax checker
- Processing
  - language
- processing
  - Syntax checker
- proselint
  - Syntax checker
- Protobuf
  - language

- protobuf-protoc
  - Syntax checker
- Pug
  - language
- pug
  - Syntax checker
- Puppet
  - language
- puppet-lint
  - Syntax checker
- puppet-parser
  - Syntax checker
- Python
  - language
- python-flake8
  - Syntax checker
- python-mypy
  - Syntax checker
- python-pycompile
  - Syntax checker
- python-pylint
  - Syntax checker
- python-pyright
  - Syntax checker
- python-ruff
  - Syntax checker

## R

- R
  - language
- r
  - Syntax checker
- r-lintr
  - Syntax checker
- Racket
  - language
- racket
  - Syntax checker
- registered syntax checker
- reStructuredText
  - language
- RPM Spec
  - language
- rpm-rpmlint
  - Syntax checker
- rst
  - Syntax checker
- rst-sphinx
  - Syntax checker

- Ruby
  - language
- ruby
  - Syntax checker
- ruby-chef-cookstyle
  - Syntax checker
- ruby-reek
  - Syntax checker
- ruby-rubocop
  - Syntax checker
- ruby-standard
  - Syntax checker
- Rust
  - language
- rust
  - Syntax checker
- rust-cargo
  - Syntax checker
- rust-clippy
  - Syntax checker

## S

- salt-lint
  - Syntax checker
- SaltStack
  - language
- sass-stylelint
  - Syntax checker
- Sass/SCSS
  - language
- Scala
  - language
- scala
  - Syntax checker
- scala-scalastyle
  - Syntax checker
- Scheme
  - language
- scheme-chicken
  - Syntax checker
- scss-stylelint
  - Syntax checker
- sh-bash
  - Syntax checker
- sh-posix-bash
  - Syntax checker
- sh-posix-dash
  - Syntax checker
- sh-shellcheck
  - Syntax checker
- sh-zsh
  - Syntax checker
- Shell scripting languages
  - language
- Slim
  - language
- slim
  - Syntax checker
- slim-lint
  - Syntax checker
- SQL
  - language
- sql-sqlint
  - Syntax checker
- statix
  - Syntax checker
- Syntax checker
  - ada-gnat
  - asciidoctor
  - awk-gawk
  - bazel-build-buildifier
  - bazel-module-buildifier
  - bazel-starlark-buildifier
  - bazel-workspace-buildifier
  - c/c++-clang
  - c/c++-cppcheck
  - c/c++-gcc
  - cfengine
  - coffee
  - css-stylelint
  - cuda-nvcc
  - cwl
  - d-dmd
  - dockerfile-hadolint
  - elixir-credo
  - emacs-lisp
  - emacs-lisp-checkdoc
  - ember-template
  - erlang
  - erlang-rebar3
  - fortran-gfortran
  - go-build
  - go-errcheck
  - go-gofmt
  - go-staticcheck
  - go-test
  - go-unconvert
  - go-vet
  - groovy
  - haml
  - haml-lint
  - handlebars
  - haskell-ghc
  - haskell-hlint
  - haskell-stack-ghc
  - html-tidy
  - javascript-eslint
  - javascript-oxlint
  - javascript-standard
  - json-jq
  - json-python-json
  - jsonnet
  - less
  - less-stylelint
  - llvm-llc
  - lua
  - lua-luacheck
  - markdown-markdownlint-cli
  - markdown-markdownlint-cli2
  - markdown-mdl
  - markdown-pymarkdown
  - nix
  - opam
  - org-lint
  - perl
  - perl-perlcritic
  - perl-perlimports
  - php
  - php-phpcs
  - php-phpcs-changed
  - php-phpmd
  - processing
  - proselint
  - protobuf-protoc
  - pug
  - puppet-lint
  - puppet-parser
  - python-flake8
  - python-mypy
  - python-pycompile
  - python-pylint
  - python-pyright
  - python-ruff
  - r
  - r-lintr
  - racket
  - rpm-rpmlint
  - rst
  - rst-sphinx
  - ruby
  - ruby-chef-cookstyle
  - ruby-reek
  - ruby-rubocop
  - ruby-standard
  - rust
  - rust-cargo
  - rust-clippy
  - salt-lint
  - sass-stylelint
  - scala
  - scala-scalastyle
  - scheme-chicken
  - scss-stylelint
  - sh-bash
  - sh-posix-bash
  - sh-posix-dash
  - sh-shellcheck
  - sh-zsh
  - slim
  - slim-lint
  - sql-sqlint
  - statix
  - systemd-analyze
  - tcl-nagelfar
  - terraform
  - terraform-tflint
  - tex-chktex
  - tex-lacheck
  - texinfo
  - textlint
  - verilog-verilator
  - vhdl-ghdl
  - xml-xmllint
  - yaml-actionlint
  - yaml-jsyaml
  - yaml-yamllint

- systemd Unit Configuration
  - language
- systemd-analyze
  - Syntax checker

## T

- Tcl
  - language
- tcl-nagelfar
  - Syntax checker
- Terraform
  - language
- terraform
  - Syntax checker
- terraform-tflint
  - Syntax checker
- tex-chktex
  - Syntax checker
- tex-lacheck
  - Syntax checker

- TeX/LaTeX
  - language
- Texinfo
  - language
- texinfo
  - Syntax checker
- Text
  - language
- textlint
  - Syntax checker
- TypeScript
  - language

## U

- user emacs directory

- user init file

## V

- verification buffer
- Verilog
  - language
- verilog-verilator
  - Syntax checker

- VHDL
  - language
- vhdl-ghdl
  - Syntax checker

## X

- XML
  - language

- xml-xmllint
  - Syntax checker

## Y

- YAML
  - language
- yaml-actionlint
  - Syntax checker

- yaml-jsyaml
  - Syntax checker
- yaml-yamllint
  - Syntax checker