Add a Context chapter.

[matthijs/master-project/report.git] / pret-lam.lua

diff --git a/pret-lam.lua b/pret-lam.lua
index 98244b0f421c5fe421ccb0578fec2ff1764d8612..68db5772120fcf8716ada9e40b3f612a43986747 100644 (file)
--- a/pret-lam.lua
+++ b/pret-lam.lua
@@ -23,7 +23,7 @@ local symbols = {
     -- The default * sits very high above the baseline, \ast (u+2217) looks
     -- better.
     ['*'] = {repr = '\\ast'},
-    ['~'] = {repr = '\\sim'},
+    ['~'] = {repr = '\\HDLine[width=.20 * \\the\\textwidth]'},
     ['|'] = {repr = '\\char' .. utf.byte('|')},
 }
 
@@ -32,7 +32,10 @@ local keywords = {
     ['case'] = {},
     ['of'] = {},
     ['let'] = {},
+    ['letrec'] = {},
+    ['letnonrec'] = {},
     ['in'] = {},
+    ['DEFAULT'] = {},
 }
 
 local in_block = 0
@@ -189,7 +192,7 @@ function vis.begin_of_display()
     if in_block == 0 then
         -- Initially allow subscripts using _ or just appending a number (later,
         -- we will add extra patterns here.
-        submatches = {"^(%a*)_([%a%d,]+)$", "^(%a+)(%d+)$"}
+        submatches = {"^(%a*)_([%a%d,]+)$", "^(%a+)([%d,]+)$"}
         -- This stores all the bases we've encountered so far (to prevent
         -- duplicates). For each of them there will be a pattern in submatches
         -- above.