Allow single digit subscripts again.

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

diff --git a/pret-lam.lua b/pret-lam.lua
index ed84d0a60eae09ecfaf10c8e4a0be6d7f541d77d..88e39246772b02766cd5580312f92f65b3763dca 100644 (file)
--- a/pret-lam.lua
+++ b/pret-lam.lua
@@ -21,6 +21,7 @@ local symbols = {
     -- (U+00A0).
     {symbol = ' ', repr = ' '},
     {symbol = '_', repr = '\\_'},
+    {symbol = '->>', repr = '\\twoheadrightarrow'},
     {symbol = '->', repr = '→'},
     {symbol = '=>', repr = '⇒'},
     -- The default * sits very high above the baseline, \ast (u+2217) looks
@@ -28,8 +29,10 @@ local symbols = {
     {symbol = '*', repr = '\\ast'},
     {symbol = '~', repr = '\\HDLine[width=.20 * \\the\\textwidth]'},
     {symbol = '|', repr = '\\char' .. utf.byte('|')},
-    -- Use ▶ from our roman font, since Iwona doesn't have the glyph
+    -- Use ▶ and ∧ from our roman font, since Iwona doesn't have the glyph
     {symbol = '▶', repr = '{\\rm{}▶}'},
+    --{symbol = '∧', repr = '{$∧$}'},
+    {symbol = '∧', repr = '{\\rm{}∧}'},
 }
 
 -- Keywords that should be bold
@@ -206,7 +209,7 @@ 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,]+)$", "^(%a+)(%d[%d,]+)$"}
+        submatches = {"^(%a*)_([%a%d,]+)$", "^(%a+)(%d[%d,]*)$"}
         -- 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.