A test edit after redaction

Testing dollar signs and MathJax.

MathJax block:

$$a^2+b^2=c^2$$

MathJax block:

$$a^2+b^2=c^2$$

MathJax $N^2$ inline in a sentence.

MathJax $N^2$ inline in a sentence.

Describing a dollar amount $200 without accidentally invoking MathJax.

Describing a dollar amount $200 without accidentally invoking MathJax.

Describing two dollar amounts $400 and $600 accidentally invokes MathJax.

Describing two dollar amounts $400 and $600 accidentally invokes MathJax.

Invocation suppressed with a double backslash before the first dollar sign \\$400 and $600.

Invocation suppressed with a double backslash before the first dollar sign \$400 and $600.

Describing three dollar amounts \\$400 and \$600 and $800 requires double backslash before the first, single backslash before the second, and nothing for the third.

Describing three dollar amounts \$400 and \$600 and $800 requires double backslash before the first, single backslash before the second, and nothing for the third.

Describing four dollar amounts \\$400 and \$600 and \\$800 and $1000 requires double then single then double then none.

Describing four dollar amounts \$400 and \$600 and \$800 and $1000 requires double then single then double then none.

Accepting MathJax and using it to display dollar amounts $\$400$ and $\\$600$ still requires different numbers of backslashes for each dollar sign.

Accepting MathJax and using it to display dollar amounts $\$400$ and $\$600$ still requires different numbers of backslashes for each dollar sign.