branch: elpa/markdown-mode
commit 7f7d9c81d9e7df2704eed792e7591fcbf5486206
Author: Shohei YOSHIDA <syo...@gmail.com>
Commit: Shohei YOSHIDA <syo...@gmail.com>

    Update language list and fix the regexp in download script
---
 CHANGES.md                              |   2 +
 markdown-mode.el                        | 204 +++++++++++++++++++-------------
 scripts/get-recognized-gfm-languages.el |   7 +-
 3 files changed, 129 insertions(+), 84 deletions(-)

diff --git a/CHANGES.md b/CHANGES.md
index ba9acee2fe..6feb632ab1 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -17,6 +17,7 @@
 *   Bug fixes:
     - Don't highlight superscript/subscript in math inline/block [GH-802][]
     - Fix table alignment when a column has a seperator in code block 
[GH-817][]
+    - Fix the regexp in the download languages script [GH-827][]
 
 *   Improvements:
     - Apply url-unescape against URL in an inline link [GH-805][]
@@ -26,6 +27,7 @@
   [gh-804]: https://github.com/jrblevin/markdown-mode/issues/804
   [gh-805]: https://github.com/jrblevin/markdown-mode/issues/805
   [gh-817]: https://github.com/jrblevin/markdown-mode/issues/817
+  [gh-827]: https://github.com/jrblevin/markdown-mode/issues/827
 
 # Markdown Mode 2.6
 
diff --git a/markdown-mode.el b/markdown-mode.el
index 1514edb43a..c27ebbcfc3 100644
--- a/markdown-mode.el
+++ b/markdown-mode.el
@@ -4432,87 +4432,131 @@ if three backquotes inserted at the beginning of line."
   ;; scripts/get-recognized-gfm-languages.el. that produces a single long sexp,
   ;; but with appropriate use of a keyboard macro, indenting and filling it
   ;; properly is pretty fast.
-  '("1C-Enterprise" "4D" "ABAP" "ABNF" "AGS-Script" "AMPL" "ANTLR"
-    "API-Blueprint" "APL" "ASN.1" "ASP" "ATS" "ActionScript" "Ada"
+  '("1C-Enterprise" "2-Dimensional-Array" "4D" "ABAP" "ABAP-CDS" "ABNF"
+    "AGS-Script" "AIDL" "AL" "AMPL" "ANTLR" "API-Blueprint" "APL" "ASL"
+    "ASN.1" "ASP.NET" "ATS" "ActionScript" "Ada" "Adblock-Filter-List"
     "Adobe-Font-Metrics" "Agda" "Alloy" "Alpine-Abuild" "Altium-Designer"
-    "AngelScript" "Ant-Build-System" "ApacheConf" "Apex"
-    "Apollo-Guidance-Computer" "AppleScript" "Arc" "AsciiDoc" "AspectJ" 
"Assembly"
-    "Asymptote" "Augeas" "AutoHotkey" "AutoIt" "Awk" "Ballerina" "Batchfile"
-    "Befunge" "BibTeX" "Bison" "BitBake" "Blade" "BlitzBasic" "BlitzMax"
-    "Bluespec" "Boo" "Brainfuck" "Brightscript" "C#" "C++" "C-ObjDump"
-    "C2hs-Haskell" "CLIPS" "CMake" "COBOL" "COLLADA" "CSON" "CSS" "CSV" "CWeb"
-    "Cabal-Config" "Cap'n-Proto" "CartoCSS" "Ceylon" "Chapel" "Charity" "ChucK"
-    "Cirru" "Clarion" "Clean" "Click" "Clojure" "Closure-Templates"
-    "Cloud-Firestore-Security-Rules" "CoNLL-U" "CodeQL" "CoffeeScript"
-    "ColdFusion" "ColdFusion-CFC" "Common-Lisp" "Common-Workflow-Language"
-    "Component-Pascal" "Cool" "Coq" "Cpp-ObjDump" "Creole" "Crystal" "Csound"
-    "Csound-Document" "Csound-Score" "Cuda" "Cycript" "Cython" "D-ObjDump"
-    "DIGITAL-Command-Language" "DM" "DNS-Zone" "DTrace" "Dafny" "Darcs-Patch"
-    "Dart" "DataWeave" "Dhall" "Diff" "DirectX-3D-File" "Dockerfile" 
"Dogescript"
-    "Dylan" "EBNF" "ECL" "ECLiPSe" "EJS" "EML" "EQ" "Eagle" "Easybuild"
-    "Ecere-Projects" "EditorConfig" "Edje-Data-Collection" "Eiffel" "Elixir" 
"Elm"
-    "Emacs-Lisp" "EmberScript" "Erlang" "F#" "F*" "FIGlet-Font" "FLUX" "Factor"
-    "Fancy" "Fantom" "Faust" "Filebench-WML" "Filterscript" "Formatted" "Forth"
-    "Fortran" "Fortran-Free-Form" "FreeMarker" "Frege" "G-code" "GAML" "GAMS"
-    "GAP" "GCC-Machine-Description" "GDB" "GDScript" "GEDCOM" "GLSL" "GN"
-    "Game-Maker-Language" "Genie" "Genshi" "Gentoo-Ebuild" "Gentoo-Eclass"
-    "Gerber-Image" "Gettext-Catalog" "Gherkin" "Git-Attributes" "Git-Config"
-    "Glyph" "Glyph-Bitmap-Distribution-Format" "Gnuplot" "Go" "Golo" "Gosu"
-    "Grace" "Gradle" "Grammatical-Framework" "Graph-Modeling-Language" 
"GraphQL"
-    "Graphviz-(DOT)" "Groovy" "Groovy-Server-Pages" "HAProxy" "HCL" "HLSL" 
"HTML"
-    "HTML+Django" "HTML+ECR" "HTML+EEX" "HTML+ERB" "HTML+PHP" "HTML+Razor" 
"HTTP"
-    "HXML" "Hack" "Haml" "Handlebars" "Harbour" "Haskell" "Haxe" "HiveQL" 
"HolyC"
-    "Hy" "HyPhy" "IDL" "IGOR-Pro" "INI" "IRC-log" "Idris" "Ignore-List" 
"Inform-7"
-    "Inno-Setup" "Io" "Ioke" "Isabelle" "Isabelle-ROOT" "JFlex" "JSON"
-    "JSON-with-Comments" "JSON5" "JSONLD" "JSONiq" "JSX" "Jasmin" "Java"
-    "Java-Properties" "Java-Server-Pages" "JavaScript" "JavaScript+ERB" "Jison"
-    "Jison-Lex" "Jolie" "Jsonnet" "Julia" "Jupyter-Notebook" "KRL" 
"KiCad-Layout"
-    "KiCad-Legacy-Layout" "KiCad-Schematic" "Kit" "Kotlin" "LFE" "LLVM" 
"LOLCODE"
-    "LSL" "LTspice-Symbol" "LabVIEW" "Lasso" "Latte" "Lean" "Less" "Lex"
-    "LilyPond" "Limbo" "Linker-Script" "Linux-Kernel-Module" "Liquid"
-    "Literate-Agda" "Literate-CoffeeScript" "Literate-Haskell" "LiveScript"
-    "Logos" "Logtalk" "LookML" "LoomScript" "Lua" "M4" "M4Sugar" "MATLAB"
-    "MAXScript" "MLIR" "MQL4" "MQL5" "MTML" "MUF" "Macaulay2" "Makefile" "Mako"
-    "Markdown" "Marko" "Mask" "Mathematica" "Maven-POM" "Max" "MediaWiki"
-    "Mercury" "Meson" "Metal" "Microsoft-Developer-Studio-Project" "MiniD" 
"Mirah"
-    "Modelica" "Modula-2" "Modula-3" "Module-Management-System" "Monkey" 
"Moocode"
-    "MoonScript" "Motorola-68K-Assembly" "Muse" "Myghty" "NASL" "NCL" "NEON" 
"NL"
-    "NPM-Config" "NSIS" "Nearley" "Nemerle" "NetLinx" "NetLinx+ERB" "NetLogo"
-    "NewLisp" "Nextflow" "Nginx" "Nim" "Ninja" "Nit" "Nix" "Nu" "NumPy" "OCaml"
-    "ObjDump" "Object-Data-Instance-Notation" "ObjectScript" "Objective-C"
-    "Objective-C++" "Objective-J" "Odin" "Omgrofl" "Opa" "Opal"
-    "Open-Policy-Agent" "OpenCL" "OpenEdge-ABL" "OpenQASM" "OpenRC-runscript"
-    "OpenSCAD" "OpenStep-Property-List" "OpenType-Feature-File" "Org" "Ox"
-    "Oxygene" "Oz" "P4" "PHP" "PLSQL" "PLpgSQL" "POV-Ray-SDL" "Pan" "Papyrus"
-    "Parrot" "Parrot-Assembly" "Parrot-Internal-Representation" "Pascal" "Pawn"
-    "Pep8" "Perl" "Pic" "Pickle" "PicoLisp" "PigLatin" "Pike" "PlantUML" "Pod"
-    "Pod-6" "PogoScript" "Pony" "PostCSS" "PostScript" "PowerBuilder" 
"PowerShell"
-    "Prisma" "Processing" "Proguard" "Prolog" "Propeller-Spin" 
"Protocol-Buffer"
-    "Public-Key" "Pug" "Puppet" "Pure-Data" "PureBasic" "PureScript" "Python"
-    "Python-console" "Python-traceback" "QML" "QMake" "Quake" "RAML" "RDoc"
-    "REALbasic" "REXX" "RHTML" "RMarkdown" "RPC" "RPM-Spec" "RUNOFF" "Racket"
-    "Ragel" "Raku" "Rascal" "Raw-token-data" "Readline-Config" "Reason" "Rebol"
-    "Red" "Redcode" "Regular-Expression" "Ren'Py" "RenderScript"
-    "Rich-Text-Format" "Ring" "Riot" "RobotFramework" "Roff" "Roff-Manpage"
-    "Rouge" "Ruby" "Rust" "SAS" "SCSS" "SMT" "SPARQL" "SQF" "SQL" "SQLPL"
-    "SRecode-Template" "SSH-Config" "STON" "SVG" "SWIG" "Sage" "SaltStack" 
"Sass"
-    "Scala" "Scaml" "Scheme" "Scilab" "Self" "ShaderLab" "Shell" "ShellSession"
-    "Shen" "Slash" "Slice" "Slim" "SmPL" "Smali" "Smalltalk" "Smarty" 
"Solidity"
-    "SourcePawn" "Spline-Font-Database" "Squirrel" "Stan" "Standard-ML" 
"Starlark"
-    "Stata" "Stylus" "SubRip-Text" "SugarSS" "SuperCollider" "Svelte" "Swift"
-    "SystemVerilog" "TI-Program" "TLA" "TOML" "TSQL" "TSX" "TXL" "Tcl" "Tcsh"
-    "TeX" "Tea" "Terra" "Texinfo" "Text" "Textile" "Thrift" "Turing" "Turtle"
-    "Twig" "Type-Language" "TypeScript" "Unified-Parallel-C" "Unity3D-Asset"
-    "Unix-Assembly" "Uno" "UnrealScript" "UrWeb" "VBA" "VBScript" "VCL" "VHDL"
-    "Vala" "Verilog" "Vim-Snippet" "Vim-script" "Visual-Basic-.NET" "Volt" 
"Vue"
-    "Wavefront-Material" "Wavefront-Object" "Web-Ontology-Language" 
"WebAssembly"
-    "WebIDL" "WebVTT" "Wget-Config" "Windows-Registry-Entries" "Wollok"
-    "World-of-Warcraft-Addon-Data" "X-BitMap" "X-Font-Directory-Index" 
"X-PixMap"
-    "X10" "XC" "XCompose" "XML" "XML-Property-List" "XPages" "XProc" "XQuery" 
"XS"
-    "XSLT" "Xojo" "Xtend" "YAML" "YANG" "YARA" "YASnippet" "Yacc" "ZAP" "ZIL"
-    "Zeek" "ZenScript" "Zephir" "Zig" "Zimpl" "cURL-Config" "desktop" 
"dircolors"
-    "eC" "edn" "fish" "mIRC-Script" "mcfunction" "mupad" "nanorc" "nesC" "ooc"
-    "reStructuredText" "sed" "wdl" "wisp" "xBase")
+    "AngelScript" "Ant-Build-System" "Antlers" "ApacheConf" "Apex"
+    "Apollo-Guidance-Computer" "AppleScript" "Arc" "AsciiDoc" "AspectJ"
+    "Assembly" "Astro" "Asymptote" "Augeas" "AutoHotkey" "AutoIt"
+    "Avro-IDL" "Awk" "BASIC" "Ballerina" "Batchfile" "Beef" "Befunge"
+    "Berry" "BibTeX" "Bicep" "Bikeshed" "Bison" "BitBake" "Blade"
+    "BlitzBasic" "BlitzMax" "Bluespec" "Bluespec-BH" "Boo" "Boogie"
+    "Brainfuck" "BrighterScript" "Brightscript" "Browserslist" "C" "C#"
+    "C++" "C-ObjDump" "C2hs-Haskell" "CAP-CDS" "CIL" "CLIPS" "CMake"
+    "COBOL" "CODEOWNERS" "COLLADA" "CSON" "CSS" "CSV" "CUE" "CWeb"
+    "Cabal-Config" "Cadence" "Cairo" "CameLIGO" "Cap'n-Proto" "CartoCSS"
+    "Ceylon" "Chapel" "Charity" "Checksums" "ChucK" "Circom" "Cirru"
+    "Clarion" "Clarity" "Classic-ASP" "Clean" "Click" "Clojure"
+    "Closure-Templates" "Cloud-Firestore-Security-Rules" "CoNLL-U"
+    "CodeQL" "CoffeeScript" "ColdFusion" "ColdFusion-CFC" "Common-Lisp"
+    "Common-Workflow-Language" "Component-Pascal" "Cool" "Coq"
+    "Cpp-ObjDump" "Creole" "Crystal" "Csound" "Csound-Document"
+    "Csound-Score" "Cuda" "Cue-Sheet" "Curry" "Cycript" "Cypher" "Cython"
+    "D" "D-ObjDump" "D2" "DIGITAL-Command-Language" "DM" "DNS-Zone"
+    "DTrace" "Dafny" "Darcs-Patch" "Dart" "DataWeave"
+    "Debian-Package-Control-File" "DenizenScript" "Dhall" "Diff"
+    "DirectX-3D-File" "Dockerfile" "Dogescript" "Dotenv" "Dylan" "E"
+    "E-mail" "EBNF" "ECL" "ECLiPSe" "EJS" "EQ" "Eagle" "Earthly"
+    "Easybuild" "Ecere-Projects" "Ecmarkup" "Edge" "EdgeQL"
+    "EditorConfig" "Edje-Data-Collection" "Eiffel" "Elixir" "Elm"
+    "Elvish" "Elvish-Transcript" "Emacs-Lisp" "EmberScript" "Erlang"
+    "Euphoria" "F#" "F*" "FIGlet-Font" "FLUX" "Factor" "Fancy" "Fantom"
+    "Faust" "Fennel" "Filebench-WML" "Filterscript" "Fluent" "Formatted"
+    "Forth" "Fortran" "Fortran-Free-Form" "FreeBasic" "FreeMarker"
+    "Frege" "Futhark" "G-code" "GAML" "GAMS" "GAP"
+    "GCC-Machine-Description" "GDB" "GDScript" "GEDCOM" "GLSL" "GN" "GSC"
+    "Game-Maker-Language" "Gemfile.lock" "Gemini" "Genero-4gl"
+    "Genero-per" "Genie" "Genshi" "Gentoo-Ebuild" "Gentoo-Eclass"
+    "Gerber-Image" "Gettext-Catalog" "Gherkin" "Git-Attributes"
+    "Git-Config" "Git-Revision-List" "Gleam" "Glimmer-JS" "Glimmer-TS"
+    "Glyph" "Glyph-Bitmap-Distribution-Format" "Gnuplot" "Go"
+    "Go-Checksums" "Go-Module" "Go-Workspace" "Godot-Resource" "Golo"
+    "Gosu" "Grace" "Gradle" "Gradle-Kotlin-DSL" "Grammatical-Framework"
+    "Graph-Modeling-Language" "GraphQL" "Graphviz-(DOT)" "Groovy"
+    "Groovy-Server-Pages" "HAProxy" "HCL" "HLSL" "HOCON" "HTML"
+    "HTML+ECR" "HTML+EEX" "HTML+ERB" "HTML+PHP" "HTML+Razor" "HTTP"
+    "HXML" "Hack" "Haml" "Handlebars" "Harbour" "Haskell" "Haxe" "HiveQL"
+    "HolyC" "Hosts-File" "Hy" "HyPhy" "IDL" "IGOR-Pro" "INI" "IRC-log"
+    "Idris" "Ignore-List" "ImageJ-Macro" "Imba" "Inform-7" "Ink"
+    "Inno-Setup" "Io" "Ioke" "Isabelle" "Isabelle-ROOT" "J"
+    "JAR-Manifest" "JCL" "JFlex" "JSON" "JSON-with-Comments" "JSON5"
+    "JSONLD" "JSONiq" "Janet" "Jasmin" "Java" "Java-Properties"
+    "Java-Server-Pages" "JavaScript" "JavaScript+ERB" "Jest-Snapshot"
+    "JetBrains-MPS" "Jinja" "Jison" "Jison-Lex" "Jolie" "Jsonnet" "Julia"
+    "Jupyter-Notebook" "Just" "KRL" "Kaitai-Struct" "KakouneScript"
+    "KerboScript" "KiCad-Layout" "KiCad-Legacy-Layout" "KiCad-Schematic"
+    "Kickstart" "Kit" "Kotlin" "Kusto" "LFE" "LLVM" "LOLCODE" "LSL"
+    "LTspice-Symbol" "LabVIEW" "Lark" "Lasso" "Latte" "Lean" "Lean-4"
+    "Less" "Lex" "LigoLANG" "LilyPond" "Limbo" "Linker-Script"
+    "Linux-Kernel-Module" "Liquid" "Literate-Agda"
+    "Literate-CoffeeScript" "Literate-Haskell" "LiveScript" "Logos"
+    "Logtalk" "LookML" "LoomScript" "Lua" "M" "M4" "M4Sugar" "MATLAB"
+    "MAXScript" "MDX" "MLIR" "MQL4" "MQL5" "MTML" "MUF" "Macaulay2"
+    "Makefile" "Mako" "Markdown" "Marko" "Mask" "Mathematica" "Maven-POM"
+    "Max" "Mercury" "Mermaid" "Meson" "Metal"
+    "Microsoft-Developer-Studio-Project"
+    "Microsoft-Visual-Studio-Solution" "MiniD" "MiniYAML" "Mint" "Mirah"
+    "Modelica" "Modula-2" "Modula-3" "Module-Management-System" "Mojo"
+    "Monkey" "Monkey-C" "Moocode" "MoonScript" "Motoko"
+    "Motorola-68K-Assembly" "Move" "Muse" "Mustache" "Myghty" "NASL"
+    "NCL" "NEON" "NL" "NPM-Config" "NSIS" "NWScript" "Nasal" "Nearley"
+    "Nemerle" "NetLinx" "NetLinx+ERB" "NetLogo" "NewLisp" "Nextflow"
+    "Nginx" "Nim" "Ninja" "Nit" "Nix" "Nu" "NumPy" "Nunjucks" "Nushell"
+    "OASv2-json" "OASv2-yaml" "OASv3-json" "OASv3-yaml" "OCaml" "Oberon"
+    "ObjDump" "Object-Data-Instance-Notation" "ObjectScript"
+    "Objective-C" "Objective-C++" "Objective-J" "Odin" "Omgrofl" "Opa"
+    "Opal" "Open-Policy-Agent" "OpenAPI-Specification-v2"
+    "OpenAPI-Specification-v3" "OpenCL" "OpenEdge-ABL" "OpenQASM"
+    "OpenRC-runscript" "OpenSCAD" "OpenStep-Property-List"
+    "OpenType-Feature-File" "Option-List" "Org" "Ox" "Oxygene" "Oz" "P4"
+    "PDDL" "PEG.js" "PHP" "PLSQL" "PLpgSQL" "POV-Ray-SDL" "Pact" "Pan"
+    "Papyrus" "Parrot" "Parrot-Assembly" "Parrot-Internal-Representation"
+    "Pascal" "Pawn" "Pep8" "Perl" "Pic" "Pickle" "PicoLisp" "PigLatin"
+    "Pike" "Pip-Requirements" "PlantUML" "Pod" "Pod-6" "PogoScript"
+    "Polar" "Pony" "Portugol" "PostCSS" "PostScript" "PowerBuilder"
+    "PowerShell" "Praat" "Prisma" "Processing" "Procfile" "Proguard"
+    "Prolog" "Promela" "Propeller-Spin" "Protocol-Buffer"
+    "Protocol-Buffer-Text-Format" "Public-Key" "Pug" "Puppet" "Pure-Data"
+    "PureBasic" "PureScript" "Pyret" "Python" "Python-console"
+    "Python-traceback" "Q#" "QML" "QMake" "Qt-Script" "Quake" "R" "RAML"
+    "RBS" "RDoc" "REALbasic" "REXX" "RMarkdown" "RPC" "RPGLE" "RPM-Spec"
+    "RUNOFF" "Racket" "Ragel" "Raku" "Rascal" "Raw-token-data" "ReScript"
+    "Readline-Config" "Reason" "ReasonLIGO" "Rebol" "Record-Jar" "Red"
+    "Redcode" "Redirect-Rules" "Regular-Expression" "Ren'Py"
+    "RenderScript" "Rez" "Rich-Text-Format" "Ring" "Riot"
+    "RobotFramework" "Roc" "Roff" "Roff-Manpage" "Rouge"
+    "RouterOS-Script" "Ruby" "Rust" "SAS" "SCSS" "SELinux-Policy" "SMT"
+    "SPARQL" "SQF" "SQL" "SQLPL" "SRecode-Template" "SSH-Config" "STAR"
+    "STL" "STON" "SVG" "SWIG" "Sage" "SaltStack" "Sass" "Scala" "Scaml"
+    "Scenic" "Scheme" "Scilab" "Self" "ShaderLab" "Shell"
+    "ShellCheck-Config" "ShellSession" "Shen" "Sieve"
+    "Simple-File-Verification" "Singularity" "Slash" "Slice" "Slim"
+    "Slint" "SmPL" "Smali" "Smalltalk" "Smarty" "Smithy" "Snakemake"
+    "Solidity" "Soong" "SourcePawn" "Spline-Font-Database" "Squirrel"
+    "Stan" "Standard-ML" "Starlark" "Stata" "StringTemplate" "Stylus"
+    "SubRip-Text" "SugarSS" "SuperCollider" "Svelte" "Sway" "Sweave"
+    "Swift" "SystemVerilog" "TI-Program" "TL-Verilog" "TLA" "TOML" "TSQL"
+    "TSV" "TSX" "TXL" "Talon" "Tcl" "Tcsh" "TeX" "Tea" "Terra"
+    "Terraform-Template" "Texinfo" "Text" "TextGrid"
+    "TextMate-Properties" "Textile" "Thrift" "Toit" "Turing" "Turtle"
+    "Twig" "Type-Language" "TypeScript" "Typst" "Unified-Parallel-C"
+    "Unity3D-Asset" "Unix-Assembly" "Uno" "UnrealScript" "UrWeb" "V"
+    "VBA" "VBScript" "VCL" "VHDL" "Vala" "Valve-Data-Format"
+    "Velocity-Template-Language" "Verilog" "Vim-Help-File" "Vim-Script"
+    "Vim-Snippet" "Visual-Basic-.NET" "Visual-Basic-6.0" "Volt" "Vue"
+    "Vyper" "WDL" "WGSL" "Wavefront-Material" "Wavefront-Object"
+    "Web-Ontology-Language" "WebAssembly" "WebAssembly-Interface-Type"
+    "WebIDL" "WebVTT" "Wget-Config" "Whiley" "Wikitext"
+    "Win32-Message-File" "Windows-Registry-Entries" "Witcher-Script"
+    "Wollok" "World-of-Warcraft-Addon-Data" "Wren" "X-BitMap"
+    "X-Font-Directory-Index" "X-PixMap" "X10" "XC" "XCompose" "XML"
+    "XML-Property-List" "XPages" "XProc" "XQuery" "XS" "XSLT" "Xojo"
+    "Xonsh" "Xtend" "YAML" "YANG" "YARA" "YASnippet" "Yacc" "Yul" "ZAP"
+    "ZIL" "Zeek" "ZenScript" "Zephir" "Zig" "Zimpl" "cURL-Config"
+    "desktop" "dircolors" "eC" "edn" "fish" "hoon" "jq" "kvlang"
+    "mIRC-Script" "mcfunction" "mupad" "nanorc" "nesC" "ooc" "q"
+    "reStructuredText" "robots.txt" "sed" "wisp" "xBase")
   "Language specifiers recognized by GitHub's syntax highlighting features.")
 
 (defvar-local markdown-gfm-used-languages nil
diff --git a/scripts/get-recognized-gfm-languages.el 
b/scripts/get-recognized-gfm-languages.el
index 4d7c80d646..1bbd7b22a8 100644
--- a/scripts/get-recognized-gfm-languages.el
+++ b/scripts/get-recognized-gfm-languages.el
@@ -1,16 +1,15 @@
 ;; -*- lexical-binding: t; -*-
 
 (require 'cl-lib)
+(require 'url)
 
 (let ((urlbuf
        (url-retrieve-synchronously
         
"https://raw.githubusercontent.com/github/linguist/master/lib/linguist/languages.yml";
         t)))
   (prog1 (with-current-buffer urlbuf
-           (goto-char (point-min))
-           ;; get past http headers
-           (re-search-forward "^$")
-           (cl-loop while (re-search-forward "^\\([^#[:space:]][^:]+\\):" nil 
t)
+           (goto-char url-http-end-of-headers)
+           (cl-loop while (re-search-forward "^\\([^#[:space:]][^:\n]*\\):" 
nil t)
                     for lang = (match-string-no-properties 1)
                     collect (replace-regexp-in-string " " "-" lang)))
     (kill-buffer urlbuf)))

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