dir2md                  Display a directory hierarchical structure in
                        Markdown syntax
dir2mm                  Display hierarchical structure of a directory
                        in FreeMind mind map
dir2r                   Convert a hierarchical directory into R code
filterNULL              A function for markmap
get_eqloc               Get the index of equations in a string vector
get_filename_ext        Get the file name extension
guess_type              Guess the type of input or output
list2heading            convert lists to headings in a text
markmap                 Create a mind map in HTML widget
markmapOption           Theme options for markmap creation
md2dir                  Create hierarchical directories according to
                        (R) Markdown-syntax text
md2mm                   Convert (R) Markdown-syntax text to FreeMind
                        mind map code
md2r                    Convert (R) Markdown-syntax text into R code
mdtxt2mmtxt             Convert Markdown text to FreeMind mind map
                        text.
mm                      All-in-one wrapper for the conversion between
                        (R) Markdown, FreeMind mind map, R code,
                        directory structure, and HTML widget.
mm2dir                  Generate hierarchical directories according to
                        a FreeMind mind map
mm2md                   Convert FreeMind mind map code into Markdown
                        headings
mm2r                    Convert FreeMind mind map code into .R code
outline                 Extract headings of (R) Markdown-syntax text as
                        an outline
r2dir                   Generate hierarchical directories according to
                        the outline of R code
r2md                    Convert R code into (R) Markdown-syntax text
r2mm                    Convert R code into FreeMind mind map code
rmvcode                 Check whether a digital number is within a
                        given range
