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
get_mmdshape            Get the shape maker for mermaid mindmap
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
md2mmd                  Convert Markdown headings into a mermaid
                        mindmap
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, Mermaid 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
mmm                     Convert almost any file into mind map.
outline                 Extract headings of (R) Markdown-syntax text as
                        an outline
outline_pdf             Extract the outline from pdf toc, and output as
                        Markdown
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
