.Dd November 30, 2014 .Dt cmark 1 .Sh NAME .Nm cmark .Nd convert CommonMark formatted text to HTML .Sh SYNOPSIS .Nm cmark .Op Fl \-ast file* .Sh DESCRIPTION .Nm acts as a pipe, reading from .Li stdin or from the specified files and writing to .Li stdout . It converts Markdown formatted plain text to HTML, using the conventions described in the CommonMark spec. If multiple files are specified, the contents of the files are simply concatenated before parsing. .Sh OPTIONS .Bl -tag -width 10n .It \-\--ast Print an abstract syntax tree instead of HTML. .It \-\-help Print usage information. .It \-\-version Print version. .El .Sh AUTHORS John MacFarlane