diff --git a/README b/README
index e988b7b6f..4b27f3dde 100644
--- a/README
+++ b/README
@@ -2196,6 +2196,16 @@ example, `markdown+hard_line_breaks` is markdown with hard line breaks.
 Causes all newlines within a paragraph to be interpreted as hard line
 breaks instead of spaces.
 
+**Extension: `tex_math_single_backslash`**\
+Causes anything between `\(` and `\)` to be interpreted as inline
+TeX math, and anything between `\[` and `\]` to be interpreted
+as display TeX math.  Note: a drawback of this extension is that
+it precludes escaping `(` and `[`.
+
+**Extension: `tex_math_double_backslash`**\
+Causes anything between `\\(` and `\\)` to be interpreted as inline
+TeX math, and anything between `\\[` and `\\]` to be interpreted
+as display TeX math.
 
 Producing slide shows with Pandoc
 =================================
diff --git a/src/Text/Pandoc/Options.hs b/src/Text/Pandoc/Options.hs
index 9c6d55f25..f7f07a939 100644
--- a/src/Text/Pandoc/Options.hs
+++ b/src/Text/Pandoc/Options.hs
@@ -58,6 +58,8 @@ data Extension = Ext_footnotes
                | Ext_citations
                | Ext_raw_tex
                | Ext_tex_math_dollars
+               | Ext_tex_math_single_backslash
+               | Ext_tex_math_double_backslash
                | Ext_latex_macros
                | Ext_delimited_code_blocks
                | Ext_inline_code_attributes