diff --git a/Web/Informative.hs b/Web/Informative.hs
--- a/Web/Informative.hs
+++ b/Web/Informative.hs
@@ -67,7 +67,16 @@
 convFmt :: TextFormat -> String -> Html
 convFmt Plain = toHtml
 convFmt (Source lg ln) = toHtml . formatHtmlBlock defaultFormatOpts{numberLines=True,startNumber=ln,containerClasses=["sourceCode","source-"<>toClassname lg],codeClasses=["source-"<>toClassname lg]} . highlightAs (T.unpack lg)
-convFmt fmt = preEscapedToMarkup . P.writeHtml P.def{P.writerHtml5=True,P.writerHighlight=True,P.writerListings=True} . readFmt fmt P.def{P.readerSmart=True,P.readerExtensions=fromList [P.Ext_literate_haskell,P.Ext_fenced_code_blocks,P.Ext_backtick_code_blocks,P.Ext_superscript,P.Ext_subscript,P.Ext_strikeout]}
+convFmt fmt = preEscapedToMarkup . P.writeHtml P.def{P.writerHtml5=True,P.writerHighlight=True,P.writerListings=True} . readFmt fmt P.def{P.readerSmart=True,P.readerExtensions=extensions}
+extensions = fromList [
+  P.Ext_literate_haskell,
+  P.Ext_fenced_code_blocks,
+  P.Ext_backtick_code_blocks,
+  P.Ext_superscript,
+  P.Ext_subscript,
+  P.Ext_strikeout,
+  P.Ext_tex_math_dollars,
+  P.Ext_simple_tables]
 convSect Table fmt = convTable fmt
 convSect Mapping fmt = convTable fmt
 convSect _ fmt = Left . convFmt fmt . remCR . T.unpack
diff --git a/informative.cabal b/informative.cabal
--- a/informative.cabal
+++ b/informative.cabal
@@ -10,7 +10,7 @@
 -- PVP summary:      +-+------- breaking API changes
 --                   | | +----- non-breaking API additions
 --                   | | | +--- code changes with no API change
-version:             0.1.0.11
+version:             0.1.0.12
 
 -- A short (one-line) description of the package.
 synopsis:            A yesod subsite serving a wiki.