sbarex · soreavis · Jun 30, 2026
diff --git a/QLMarkdown.xcodeproj/project.pbxproj b/QLMarkdown.xcodeproj/project.pbxproj
@@ -21,6 +21,7 @@
 		831A8C6B258ABD8900E36182 /* syntaxhighlight.c in Sources */ = {isa = PBXBuildFile; fileRef = 83598EF525818BCB004664D3 /* syntaxhighlight.c */; };
 		831A8C6E258ABD8D00E36182 /* emoji.c in Sources */ = {isa = PBXBuildFile; fileRef = 83EF95222585476800B56FA3 /* emoji.c */; };
 		831A8C71258ABD9300E36182 /* mention.c in Sources */ = {isa = PBXBuildFile; fileRef = 838109C2258403CA000AFE3C /* mention.c */; };
+		7273677933E44FAD8B3EEA1D /* wikilink.c in Sources */ = {isa = PBXBuildFile; fileRef = 1DDD0092C9DF487BBB99BB1D /* wikilink.c */; };
 		831A8C74258ABD9600E36182 /* checkbox.c in Sources */ = {isa = PBXBuildFile; fileRef = 838109C625840429000AFE3C /* checkbox.c */; };
 		831A8CC1258AC18300E36182 /* Settings.swift in Sources */ = {isa = PBXBuildFile; fileRef = 83F4B99125868A7400FC58A7 /* Settings.swift */; };
 		8320D5942D1C25B1005868BD /* QLMarkdown Shortcut Extension.appex in Embed ExtensionKit Extensions */ = {isa = PBXBuildFile; fileRef = 8320D58A2D1C25B1005868BD /* QLMarkdown Shortcut Extension.appex */; settings = {ATTRIBUTES = (RemoveHeadersOnCopy, ); }; };
@@ -76,6 +77,7 @@
 		8320D5E32D1C3AA7005868BD /* sup_ext.c in Sources */ = {isa = PBXBuildFile; fileRef = 83CF71CD2C60023E0066A195 /* sup_ext.c */; };
 		8320D5E42D1C3AA7005868BD /* syntaxhighlight.c in Sources */ = {isa = PBXBuildFile; fileRef = 83598EF525818BCB004664D3 /* syntaxhighlight.c */; };
 		8320D5E52D1C3AA7005868BD /* mention.c in Sources */ = {isa = PBXBuildFile; fileRef = 838109C2258403CA000AFE3C /* mention.c */; };
+		138DFA4523EA4D8DA48F233D /* wikilink.c in Sources */ = {isa = PBXBuildFile; fileRef = 1DDD0092C9DF487BBB99BB1D /* wikilink.c */; };
 		8320D5E62D1C3AA7005868BD /* checkbox.c in Sources */ = {isa = PBXBuildFile; fileRef = 838109C625840429000AFE3C /* checkbox.c */; };
 		8320D5E72D1C3AA7005868BD /* math_ext.c in Sources */ = {isa = PBXBuildFile; fileRef = 835886B229E960050088DF7D /* math_ext.c */; };
 		8320D5E82D1C3AA7005868BD /* extra-extensions.c in Sources */ = {isa = PBXBuildFile; fileRef = 834A4F8129E92AE800692964 /* extra-extensions.c */; };
@@ -99,6 +101,7 @@
 		83437985271D49FF00A5D6EA /* MIMEtype.c in Sources */ = {isa = PBXBuildFile; fileRef = 83327D2E2594066300E76CF6 /* MIMEtype.c */; };
 		83437986271D4A1900A5D6EA /* inlineimage.c in Sources */ = {isa = PBXBuildFile; fileRef = 83760300258C1813004799ED /* inlineimage.c */; };
 		83437987271D4A1900A5D6EA /* mention.c in Sources */ = {isa = PBXBuildFile; fileRef = 838109C2258403CA000AFE3C /* mention.c */; };
+		CB9185D831D741DCB49AF8D3 /* wikilink.c in Sources */ = {isa = PBXBuildFile; fileRef = 1DDD0092C9DF487BBB99BB1D /* wikilink.c */; };
 		83437988271D4A1900A5D6EA /* checkbox.c in Sources */ = {isa = PBXBuildFile; fileRef = 838109C625840429000AFE3C /* checkbox.c */; };
 		83437989271D4A1900A5D6EA /* heads_utils.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 83F8825C25991BFC008C5071 /* heads_utils.cpp */; };
 		8343798D271D4A1900A5D6EA /* heads.c in Sources */ = {isa = PBXBuildFile; fileRef = 83F88258259906C7008C5071 /* heads.c */; };
@@ -243,6 +246,7 @@
 		8376EAE427E8C67F00AB44B8 /* c_log.c in Sources */ = {isa = PBXBuildFile; fileRef = 8376EAE127E8C67F00AB44B8 /* c_log.c */; };
 		837F97D6271EA12A009F4605 /* qlmarkdown_cli in Resources */ = {isa = PBXBuildFile; fileRef = 837F97CE271EA098009F4605 /* qlmarkdown_cli */; };
 		838109C3258403CA000AFE3C /* mention.c in Sources */ = {isa = PBXBuildFile; fileRef = 838109C2258403CA000AFE3C /* mention.c */; };
+		0342FC81767440D68CFDD7B4 /* wikilink.c in Sources */ = {isa = PBXBuildFile; fileRef = 1DDD0092C9DF487BBB99BB1D /* wikilink.c */; };
 		838109C725840429000AFE3C /* checkbox.c in Sources */ = {isa = PBXBuildFile; fileRef = 838109C625840429000AFE3C /* checkbox.c */; };
 		8382D05C2664051400210A0A /* Yams in Frameworks */ = {isa = PBXBuildFile; productRef = 8382D05B2664051400210A0A /* Yams */; };
 		8382D05E2664052E00210A0A /* Yams in Frameworks */ = {isa = PBXBuildFile; productRef = 8382D05D2664052E00210A0A /* Yams */; };
@@ -651,6 +655,8 @@
 		837F97CE271EA098009F4605 /* qlmarkdown_cli */ = {isa = PBXFileReference; lastKnownFileType = "compiled.mach-o.executable"; path = qlmarkdown_cli; sourceTree = BUILT_PRODUCTS_DIR; };
 		838109C1258403CA000AFE3C /* mention.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = mention.h; sourceTree = "<group>"; };
 		838109C2258403CA000AFE3C /* mention.c */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.c; path = mention.c; sourceTree = "<group>"; };
+		8C0194F6D1944DC681276B11 /* wikilink.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = wikilink.h; sourceTree = "<group>"; };
+		1DDD0092C9DF487BBB99BB1D /* wikilink.c */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.c; path = wikilink.c; sourceTree = "<group>"; };
 		838109C525840429000AFE3C /* checkbox.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = checkbox.h; sourceTree = "<group>"; };
 		838109C625840429000AFE3C /* checkbox.c */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.c; path = checkbox.c; sourceTree = "<group>"; };
 		838A5D5C29F1139200D704AB /* makefile2.makefile */ = {isa = PBXFileReference; lastKnownFileType = text; path = makefile2.makefile; sourceTree = "<group>"; usesTabs = 1; };
@@ -843,6 +849,8 @@
 				835886B229E960050088DF7D /* math_ext.c */,
 				838109C1258403CA000AFE3C /* mention.h */,
 				838109C2258403CA000AFE3C /* mention.c */,
+				8C0194F6D1944DC681276B11 /* wikilink.h */,
+				1DDD0092C9DF487BBB99BB1D /* wikilink.c */,
 				83CF71CC2C60023E0066A195 /* sup_ext.h */,
 				83CF71CD2C60023E0066A195 /* sup_ext.c */,
 				83CF71D12C6005370066A195 /* sub_ext.h */,
@@ -1504,6 +1512,7 @@
 				834A4EF829E8AD8C00692964 /* table.c in Sources */,
 				834A4F1929E8AD8D00692964 /* blocks.c in Sources */,
 				831A8C71258ABD9300E36182 /* mention.c in Sources */,
+				7273677933E44FAD8B3EEA1D /* wikilink.c in Sources */,
 				836B747E259E2D7B00A6A5F7 /* AboutViewController.swift in Sources */,
 				835886B429E960050088DF7D /* math_ext.c in Sources */,
 				834CAB9D2593650900673002 /* emoji_utils.cpp in Sources */,
@@ -1561,6 +1570,7 @@
 				8320D5E32D1C3AA7005868BD /* sup_ext.c in Sources */,
 				8320D5E42D1C3AA7005868BD /* syntaxhighlight.c in Sources */,
 				8320D5E52D1C3AA7005868BD /* mention.c in Sources */,
+				138DFA4523EA4D8DA48F233D /* wikilink.c in Sources */,
 				8320D5E62D1C3AA7005868BD /* checkbox.c in Sources */,
 				8320D5E72D1C3AA7005868BD /* math_ext.c in Sources */,
 				8320D5E82D1C3AA7005868BD /* extra-extensions.c in Sources */,
@@ -1622,6 +1632,7 @@
 				834A4F2829E8AD8D00692964 /* houdini_href_e.c in Sources */,
 				834A4EF929E8AD8C00692964 /* table.c in Sources */,
 				83437987271D4A1900A5D6EA /* mention.c in Sources */,
+				CB9185D831D741DCB49AF8D3 /* wikilink.c in Sources */,
 				834A4F1429E8AD8C00692964 /* man.c in Sources */,
 				834A4F6529E8AD8E00692964 /* houdini_html_u.c in Sources */,
 				834A4F0C29E8AD8C00692964 /* xml.c in Sources */,
@@ -1715,6 +1726,7 @@
 				83720A2825B8E93D00B49FEC /* decode.c in Sources */,
 				834A4F8229E92AE800692964 /* extra-extensions.c in Sources */,
 				838109C3258403CA000AFE3C /* mention.c in Sources */,
+				0342FC81767440D68CFDD7B4 /* wikilink.c in Sources */,
 				834A4F6629E8AD8E00692964 /* registry.c in Sources */,
 			);
 			runOnlyForDeploymentPostprocessing = 0;

diff --git a/QLMarkdown/Base.lproj/Main.storyboard b/QLMarkdown/Base.lproj/Main.storyboard
@@ -824,6 +824,7 @@
                                                         <gridRow topPadding="8" id="mRf-rL-ZFR"/>
                                                         <gridRow id="6bo-pC-VNr"/>
                                                         <gridRow id="axC-Xg-GDO"/>
+                                                        <gridRow id="wkl-Rw-grd"/>
                                                     </rows>
                                                     <columns>
                                                         <gridColumn id="Kw4-iz-WrK"/>
@@ -1591,6 +1592,27 @@
                                                                 </customSpacing>
                                                             </stackView>
                                                         </gridCell>
+                                                        <gridCell row="wkl-Rw-grd" column="Kw4-iz-WrK" id="wkl-C0-cel">
+                                                            <button key="contentView" toolTip="Render [[Page Name]] and [[Target|Display]] wikilinks as links." horizontalHuggingPriority="251" verticalHuggingPriority="750" translatesAutoresizingMaskIntoConstraints="NO" id="wkl-Bt-btn">
+                                                                <rect key="frame" x="0.0" y="0.0" width="117" height="16"/>
+                                                                <buttonCell key="cell" type="check" title="Wikilinks" bezelStyle="regularSquare" imagePosition="left" state="on" inset="2" id="wkl-Bc-cel">
+                                                                    <behavior key="behavior" changeContents="YES" doesNotDimImage="YES" lightByContents="YES"/>
+                                                                    <font key="font" metaFont="system"/>
+                                                                </buttonCell>
+                                                                <connections>
+                                                                    <binding destination="XfG-lQ-9wD" name="value" keyPath="self.wikilinkExtension" id="wkl-Vb-bnd"/>
+                                                                    <binding destination="XfG-lQ-9wD" name="enabled" keyPath="self.renderAsCode" id="wkl-Eb-bnd">
+                                                                        <dictionary key="options">
+                                                                            <string key="NSValueTransformerName">NSNegateBoolean</string>
+                                                                        </dictionary>
+                                                                    </binding>
+                                                                </connections>
+                                                            </button>
+                                                        </gridCell>
+                                                        <gridCell row="wkl-Rw-grd" column="h9h-fV-gFn" id="wkl-C1-cel"/>
+                                                        <gridCell row="wkl-Rw-grd" column="LDl-3O-4gf" id="wkl-C2-cel"/>
+                                                        <gridCell row="wkl-Rw-grd" column="Frg-Lu-cBX" id="wkl-C3-cel"/>
+                                                        <gridCell row="wkl-Rw-grd" column="EM0-Js-ao5" id="wkl-C4-cel"/>
                                                     </gridCells>
                                                 </gridView>
                                                 <textField focusRingType="none" horizontalHuggingPriority="251" verticalHuggingPriority="750" translatesAutoresizingMaskIntoConstraints="NO" id="Ccb-oe-cYh">

diff --git a/QLMarkdown/Settings+ext.swift b/QLMarkdown/Settings+ext.swift
@@ -200,6 +200,7 @@ extension Settings {
         defaults.set(mermaidExtension.stripDefaultUrl(cacheUrl: self.mermaidFileUrl, cdnUrl: Self.mermaidWebUrl).toDict(), forKey: Self.CodingKeys.mermaidExtension.rawValue)
 
         defaults.set(mentionExtension, forKey: Self.CodingKeys.mentionExtension.rawValue)
+        defaults.set(wikilinkExtension, forKey: Self.CodingKeys.wikilinkExtension.rawValue)
         defaults.set(checkboxExtension, forKey: Self.CodingKeys.checkboxExtension.rawValue)
         defaults.set(headsExtension, forKey: Self.CodingKeys.headsExtension.rawValue)
 

diff --git a/QLMarkdown/Settings+render.swift b/QLMarkdown/Settings+render.swift
@@ -206,6 +206,15 @@ extension Settings {
             }
         }
 
+        if self.wikilinkExtension {
+            if let ext = cmark_find_syntax_extension("wikilink") {
+                cmark_parser_attach_syntax_extension(parser, ext)
+                os_log("Enabled markdown `wikilink` extension.", log: OSLog.rendering, type: .debug)
+            } else {
+                os_log("Could not enable markdown `wikilink` extension!", log: OSLog.rendering, type: .error)
+            }
+        }
+
         if self.headsExtension {
             if let ext = cmark_find_syntax_extension("heads") {
                 cmark_parser_attach_syntax_extension(parser, ext)
@@ -650,6 +659,14 @@ table.debug td {
             html_debug += "off"
         }
         html_debug += "</td></tr>\n"
+
+        html_debug += "<tr><td>wikilink extension</td><td>"
+        if self.wikilinkExtension {
+            html_debug += "on " + (cmark_find_syntax_extension("wikilink") == nil ? " (NOT AVAILABLE" : "")
+        } else {
+            html_debug += "off"
+        }
+        html_debug += "</td></tr>\n"
 
         html_debug += "<tr><td>strikethrough extension</td><td>"
         switch self.strikethroughExtension {

diff --git a/QLMarkdown/Settings.swift b/QLMarkdown/Settings.swift
@@ -247,6 +247,7 @@ class Settings: Codable {
         case mathExtension
         case mermaidExtension
         case mentionExtension
+        case wikilinkExtension
         case subExtension
         case supExtension
         case tableExtension
@@ -475,6 +476,7 @@ class Settings: Codable {
     var mathExtension: JSExtension = .link(url: nil)
     var mermaidExtension: JSExtension = .link(url: nil)
     var mentionExtension: Bool = false
+    var wikilinkExtension: Bool = false
     var subExtension: Bool = false
     var supExtension: Bool = false
     var tableExtension: Bool = true
@@ -548,6 +550,7 @@ class Settings: Codable {
         self.mermaidExtension = try container.decode(JSExtension.self, forKey:.mermaidExtension)
 
         self.mentionExtension = try container.decode(Bool.self, forKey:.mentionExtension)
+        self.wikilinkExtension = try container.decode(Bool.self, forKey:.wikilinkExtension)
         self.checkboxExtension = try container.decode(Bool.self, forKey:.checkboxExtension)
         self.headsExtension = try container.decode(Bool.self, forKey:.headsExtension)
         self.highlightExtension = try container.decode(Bool.self, forKey: .hightlightExtension)
@@ -625,6 +628,7 @@ class Settings: Codable {
         try container.encode(self.mermaidExtension, forKey: .mermaidExtension)
 
         try container.encode(self.mentionExtension, forKey: .mentionExtension)
+        try container.encode(self.wikilinkExtension, forKey: .wikilinkExtension)
         try container.encode(self.checkboxExtension, forKey: .checkboxExtension)
         try container.encode(self.headsExtension, forKey: .headsExtension)
         try container.encode(self.highlightExtension, forKey: .hightlightExtension)
@@ -717,6 +721,7 @@ class Settings: Codable {
         self.mathExtension = s.mathExtension
         self.mermaidExtension = s.mermaidExtension
         self.mentionExtension = s.mentionExtension
+        self.wikilinkExtension = s.wikilinkExtension
         self.checkboxExtension = s.checkboxExtension
         self.headsExtension = s.headsExtension
 
@@ -794,6 +799,9 @@ class Settings: Codable {
         if let ext = defaultsDomain[Self.CodingKeys.mentionExtension.rawValue] as? Bool {
             mentionExtension = ext
         }
+        if let ext = defaultsDomain[Self.CodingKeys.wikilinkExtension.rawValue] as? Bool {
+            wikilinkExtension = ext
+        }
         if let ext = defaultsDomain[Self.CodingKeys.checkboxExtension.rawValue] as? Bool {
             checkboxExtension = ext
         }

diff --git a/QLMarkdown/ViewController.swift b/QLMarkdown/ViewController.swift
@@ -80,6 +80,13 @@ class ViewController: NSViewController {
         }
     }
 
+    @objc dynamic var wikilinkExtension: Bool = Settings.factorySettings.wikilinkExtension {
+        didSet {
+            guard oldValue != wikilinkExtension else { return }
+            isDirty = true
+        }
+    }
+
     @objc dynamic var syntaxHighlightExtension: Bool = Settings.factorySettings.syntaxHighlightExtension {
         didSet {
             guard oldValue != syntaxHighlightExtension else { return }
@@ -1357,6 +1364,7 @@ document.addEventListener('scroll', function(e) {
         self.mermaidExtensionEmbed = settings.mermaidExtension.getMode()?.embed ?? false
 
         self.mentionExtension = settings.mentionExtension
+        self.wikilinkExtension = settings.wikilinkExtension
         self.syntaxHighlightExtension = settings.syntaxHighlightExtension
 
         self.emojiExtension = settings.emojiExtension != .disabled
@@ -1418,6 +1426,7 @@ document.addEventListener('scroll', function(e) {
         settings.mathExtension = self.mathExtension ? (self.mathExtensionEmbed ? .embed(url: nil) : .link(url: nil)) : .disabled
         settings.mermaidExtension = self.mermaidExtension ? (self.mermaidExtensionEmbed ? .embed(url: nil) : .link(url: nil)) : .disabled
         settings.mentionExtension = self.mentionExtension
+        settings.wikilinkExtension = self.wikilinkExtension
 
         settings.emojiExtension = self.emojiExtension ? (self.emojiImageOption ? .images : .font) : .disabled
 

diff --git a/Resources/default.css b/Resources/default.css
@@ -22,6 +22,7 @@
   --frame-border: #e3e4e8;
   --frame-color: #242528;
   --mention-color: #242528;
+  --wikilink-color: #8250df;
   --email-toggle-color: #4b4d58; /* unused variable */
   --email-toggle-background: #e3e4e8; /* unused variable */
   --email-quoted-color: #6a6d7c; /* unused variable */
@@ -73,6 +74,7 @@
   --frame-border: #ff08d6;
   --frame-color: #242528;
   --mention-color: #242528;
+  --wikilink-color: #ab7df8;
   --email-toggle-color: #4b4d58;
   --email-toggle-background: #e3e4e8;
   --email-quoted-color: #6a6d7c;
@@ -175,6 +177,10 @@ a:hover {
   text-decoration: underline;
 }
 
+.wikilink {
+  color: var(--wikilink-color);
+}
+
 details summary {
   outline: 0;
 }

diff --git a/cmark-extra/extensions/extra-extensions.c b/cmark-extra/extensions/extra-extensions.c
@@ -12,6 +12,7 @@
 #include "plugin.h"
 
 #include "mention.h"
+#include "wikilink.h"
 // #include "checkbox.h"
 #include "syntaxhighlight.h"
 #include "inlineimage.h"
@@ -24,6 +25,7 @@
 
 static int extra_extensions_registration(cmark_plugin *plugin) {
     cmark_plugin_register_syntax_extension(plugin, create_mention_extension());
+    cmark_plugin_register_syntax_extension(plugin, create_wikilink_extension());
     //cmark_plugin_register_syntax_extension(plugin, create_checkbox_extension());
     cmark_plugin_register_syntax_extension(plugin, create_inlineimage_extension());