diff --git a/_includes/js-selector.html b/_includes/js-selector.html
index 7907f9f..1904023 100644
--- a/_includes/js-selector.html
+++ b/_includes/js-selector.html
@@ -86,6 +86,64 @@
           ['$$', '$$'],
           ['\\[', '\\]']
         ],
+        macros: {
+          ds: "\\displaystyle",
+
+          // font styles
+          rm: ["\\mathrm{#1}", 1],
+          mf: ["\\mathfrak{#1}", 1],
+          mc: ["\\mathcal{#1}", 1],
+          bb: ["\\mathbb{#1}", 1],
+          bf: ["\\mathbf{#1}", 1],
+          tt: ["\\texttt{#1}", 1],
+
+          inv: "^{-1}",
+          conj: "^\\ast",
+          trans: "^\\top",
+          cross: "^\\times",
+          bs: "\\setminus",
+          nsub: "\\unlhd",
+          pnsub: "\\lhd",
+
+          floor: ["\\left\\lfloor #1 \\right\\rfloor", 1],
+          ceil: ["\\left\\lceil #1 \\right\\rceil", 1],
+          round: ["\\left\\lfloor #1 \\right\\rceil", 1],
+          norm: ["\\left\\lVert #1 \\right\\rVert", 1],
+          abs: ["\\left\\lvert #1 \\right\\rvert", 1],
+          paren: ["\\left( #1 \\right)", 1],
+          braces: ["\\left\\{ #1 \\right\\}", 1],
+          span: ["\\left\\langle #1 \\right\\rangle", 1],
+          bar: ["\\overline{#1 \\vphantom{l}}", 1],
+
+          lcm: ["\\mathrm{lcm}"],
+
+          ra: "\\rightarrow",
+          la: "\\leftarrow",
+          lra: "\\leftrightarrow",
+          imp: "\\implies",
+          pll: "\\parallel",
+
+          N: "\\mathbb{N}",
+          Z: "\\mathbb{Z}",
+          Q: "\\mathbb{Q}",
+          R: "\\mathbb{R}",
+          C: "\\mathbb{C}",
+          F: "\\mathbb{F}",
+
+          Adv: ["\\mathrm{Adv}_{\\mathrm{#1}}[#2]", 2, ""],
+
+          im: "\\operatorname\{im\}",
+          ch: "\\operatorname\{char\}",
+
+          Aut: "\\mathrm{Aut}",
+          Gal: "\\mathrm{Gal}",
+          GF: "\\mathrm{GF}",
+
+          exists: "∃\\,",
+
+          tilde: ["\\widetilde{#1}", 1],
+          hat: ["\\widehat{#1}", 1]
+        },
         tags: 'ams'
       }
     };