Technical users are an important user segment as well, especially those used to advanced text editors and IDEs. They don't have the patience to conform to the c

Technical users are an important user segment as well, especially those used to advanced text editors and IDEs. They don't have the patience to conform to the changing and often poorly thought-through user interfaces of text processors and want the flexibility to use more powerful tools if required. Do it like JIRA: give them both. People used to GUIs can use the WYSIWYG interface, and power users can use Markdown.