Off-by-one-error in markdown-inline-code-at-pos

[phst]

markdown-inline-code-at-pos treats the character directly after inline code as part of the code span.

This affects electric-quote-mode, e.g. when typing `a`'b the quote isn't made electric.

Expected Behavior

In the document

`a`b

b should not be considered part of the code span.

Actual Behavior

b is considered part of the code span.

Steps to Reproduce

1. Insert `a`b into a Markdown buffer.
2. Move point to b.
3. Eval markdown-inline-code-at-point.

Software Versions

• Markdown Mode: v2.3
• Emacs: 25.3.1
• OS: macOS High Sierra