Remove brackets in bibtex entries that are used for plaintext rendering

examples/bibliography.bib

@@ -1,5 +1,5 @@
 @article{gregor2015draw,
-  title={DRAW: A recurrent neural network for image generation},
+  title={{D}{R}{A}{W}: A recurrent neural network for image generation},
   author={Gregor, Karol and Danihelka, Ivo and Graves, Alex and Rezende, Danilo Jimenez and Wierstra, Daan},
   journal={arXiv preprint arXiv:1502.04623},
   year={2015},

src/helpers/bibtex.js

@@ -18,7 +18,8 @@ function normalizeTag(string) {
   return string
     .replace(/[\t\n ]+/g, ' ')
     .replace(/{\\["^`.'acu~Hvs]( )?([a-zA-Z])}/g, (full, x, char) => char)
-    .replace(/{\\([a-zA-Z])}/g, (full, char) => char);
+    .replace(/{\\([a-zA-Z])}/g, (full, char) => char)
+    .replace(/[{}]/gi,'');  // Replace curly braces forcing plaintext in latex.
 }
 
 export function parseBibtex(bibtex) {