It's a common gotcha in markdown. Some implementations, e.g. Python-Markdown, actually default to ignoring middle-word emphasis. Others, e.g. Python-Markdown2,

It's a common gotcha in markdown. Some implementations, e.g. Python-Markdown, actually default to ignoring middle-word emphasis. Others, e.g. Python-Markdown2, have ignoring middle-word emphasis as an optional parameter when calling the function.