misc content updates

1 files changed, 19 insertions, 0 deletions

diff --git a/ref.bib b/ref.bib
index 8bac1a7..8567e06 100644
--- a/ref.bib
+++ b/ref.bib
@@ -218,6 +218,16 @@
   editor      = {Ivan Herman and Ben Adida and Manu Sporny and Mark Birbeck},
 }
 
+@TechReport{MacFarlane2024,
+  author   = {John {MacFarlane}},
+  date     = {2024-01-28},
+  title    = {{CommonMark} Spec},
+  language = {English},
+  url      = {https://spec.commonmark.org/0.31.2/},
+  urldate  = {2025-05-25},
+  version  = {0.31.2},
+}
+
 @Online{Francart2020,
   author       = {Thomas Francart},
   date         = {2020-02-20},
@@ -313,6 +323,7 @@
   pages        = {111--122},
   subtitle     = {a recognition-based syntactic foundation},
   volume       = {39},
+  file         = {:Ford2004 - Parsing Expression Grammars.pdf:PDF},
   publisher    = {Association for Computing Machinery (ACM)},
 }
 
@@ -342,6 +353,14 @@
   urldate = {2025-05-23},
 }
 
+@Online{MacFarlane2024djot,
+  author  = {John {MacFarlane}},
+  date    = {2024-02-04},
+  title   = {djot},
+  url     = {https://djot.org/},
+  urldate = {2025-05-25},
+}
+
 @Online{Smedegaard2025,
   author       = {Jonas Smedegaard},
   date         = {2025-05-14},