==Second Level Heading== ===Third Level Heading=== ====Fourth Level Heading====
asterix at the start of a line give you
a colon and a space at the start of a line for block quotes
Four spaces at start of line for pre
Empty lines mark paragraph boundaries
Surround with asterixes for blog and two single quotes for italic
Three dashes for emdash.
Internal wiki links are surround by square brackets, e.g. wiki formatting guide.
External links are surrounded by squared brackets and begin with the URI followed by a space followed by a title, e.g. Leonardo Home Page.
Books can be linked via ISBN to amazon using amazon:<isbn>.
Images can be inserted using image: and surrounding the image path followed by a space followed by the alt text.
Other wiki pages can be inserted by using prefixing the wiki link with insert: as demonstrated below:
unknown insert : blog/2004/12/16/my_first_blog_entry