221         elements.add(input -> "{" + input + "}");

   221         elements.add(input -> "{" + input + "}");

   222         // Add valid Java identifier start char

   222         // Add valid Java identifier start char

   223         elements.add(input -> "_" + input);

   223         elements.add(input -> "_" + input);

   224         elements.add(input -> "$" + input);

   224         elements.add(input -> "$" + input);

   225         elements.add(input -> "0" + input);

   225         elements.add(input -> "0" + input);

   226         // Unicode characters

   228         // Unicode characters

   227         elements.add(input -> embed(input, "\u0001"));

   229         elements.add(input -> embed(input, "\u0001"));

   228         elements.add(input -> embed(input, "\u007F"));

   230         elements.add(input -> embed(input, "\u007F"));

   229         // Combining character

   231         // Combining character

   230         elements.add(input -> embed(input, "\u0300"));

   232         elements.add(input -> embed(input, "\u0300"));

   231         elements.add(input -> embed(input, "\u0306"));

   233         elements.add(input -> embed(input, "\u0306"));

   232         // Supplementary character

   234         // Supplementary character

   233         elements.add(input -> new String(Character.toChars(0x1F64C)));

   235         elements.add(input -> new String(Character.toChars(0x1F64C)));

   234         return elements;

   237         return elements;

   235     }

   238     }

   236 

   239 

   237     /**

   240     /**

   238      * Embeds one string inside another one

   241      * Embeds one string inside another one