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Link from RDoc::Markup to RDoc::MarkupReference (#906)
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Recently new RDoc::MarkupReference replaces Markup Reference in RDoc::Markup (which was always the goal).
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@BurdetteLamar
BurdetteLamar authored Jul 28, 2022
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284 changes: 1 addition & 283 deletions lib/rdoc/markup.rb
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#
# = \RDoc Markup Reference
#
# == Block Markup
#
# === Paragraphs and Verbatim
#
# The markup engine looks for a document's natural left margin. This is
# used as the initial margin for the document.
#
# Consecutive lines starting at this margin are considered to be a
# paragraph. Empty lines separate paragraphs.
#
# Any line that starts to the right of the current margin is treated
# as verbatim text. This is useful for code listings:
#
# 3.times { puts "Ruby" }
#
# In verbatim text, two or more blank lines are collapsed into one,
# and trailing blank lines are removed:
#
# This is the first line
#
#
# This is the second non-blank line,
# after 2 blank lines in the source markup.
#
#
# There were two trailing blank lines right above this paragraph, that
# have been removed. In addition, the verbatim text has been shifted
# left, so the amount of indentation of verbatim text is unimportant.
#
# For HTML output RDoc makes a small effort to determine if a verbatim section
# contains Ruby source code. If so, the verbatim block will be marked up as
# HTML. Triggers include "def", "class", "module", "require", the "hash
# rocket"# (=>) or a block call with a parameter.
#
# === Headers
#
# A line starting with an equal sign (=) is treated as a
# heading. Level one headings have one equals sign, level two headings
# have two, and so on until level six, which is the maximum
# (seven hyphens or more result in a level six heading).
#
# For example, the above header was obtained with:
#
# === Headers
#
# In HTML output headers have an id matching their name. The above example's
# HTML is:
#
# <h3 id="label-Headers">Headers</h3>
#
# If a heading is inside a method body the id will be prefixed with the
# method's id. If the above header where in the documentation for a method
# such as:
#
# ##
# # This method does fun things
# #
# # = Example
# #
# # Example of fun things goes here ...
#
# def do_fun_things
# end
#
# The header's id would be:
#
# <h1 id="method-i-do_fun_things-label-Example">Example</h1>
#
# The label can be linked-to using <tt>SomeClass@Headers</tt>. See
# {Links}[rdoc-ref:RDoc::Markup@Links] for further details.
#
# === Rules
#
# A line starting with three or more hyphens (at the current indent)
# generates a horizontal rule.
#
# ---
#
# produces:
#
# ---
#
# === Simple Lists
#
# If a paragraph starts with a "*", "-", "<digit>." or "<letter>.",
# then it is taken to be the start of a list. The margin is increased to be
# the first non-space following the list start flag. Subsequent lines
# should be indented to this new margin until the list ends. For example:
#
# * this is a list with three paragraphs in
# the first item. This is the first paragraph.
#
# And this is the second paragraph.
#
# 1. This is an indented, numbered list.
# 2. This is the second item in that list
#
# This is the third conventional paragraph in the
# first list item.
#
# * This is the second item in the original list
#
# produces:
#
# * this is a list with three paragraphs in
# the first item. This is the first paragraph.
#
# And this is the second paragraph.
#
# 1. This is an indented, numbered list.
# 2. This is the second item in that list
#
# This is the third conventional paragraph in the
# first list item.
#
# * This is the second item in the original list
#
# === Labeled Lists
#
# You can also construct labeled lists, sometimes called description
# or definition lists. Do this by putting the label in square brackets
# and indenting the list body:
#
# [cat] a small furry mammal
# that seems to sleep a lot
#
# [ant] a little insect that is known
# to enjoy picnics
#
# produces:
#
# [cat] a small furry mammal
# that seems to sleep a lot
#
# [ant] a little insect that is known
# to enjoy picnics
#
# If you want the list bodies to line up to the left of the labels,
# use two colons:
#
# cat:: a small furry mammal
# that seems to sleep a lot
#
# ant:: a little insect that is known
# to enjoy picnics
#
# produces:
#
# cat:: a small furry mammal
# that seems to sleep a lot
#
# ant:: a little insect that is known
# to enjoy picnics
#
# Notice that blank lines right after the label are ignored in labeled lists:
#
# [one]
#
# definition 1
#
# [two]
#
# definition 2
#
# produces the same output as
#
# [one] definition 1
# [two] definition 2
#
#
# === Lists and Verbatim
#
# If you want to introduce a verbatim section right after a list, it has to be
# less indented than the list item bodies, but more indented than the list
# label, letter, digit or bullet. For instance:
#
# * point 1
#
# * point 2, first paragraph
#
# point 2, second paragraph
# verbatim text inside point 2
# point 2, third paragraph
# verbatim text outside of the list (the list is therefore closed)
# regular paragraph after the list
#
# produces:
#
# * point 1
#
# * point 2, first paragraph
#
# point 2, second paragraph
# verbatim text inside point 2
# point 2, third paragraph
# verbatim text outside of the list (the list is therefore closed)
# regular paragraph after the list
#
# == Text Markup
#
# === Bold, Italic, Typewriter Text
#
# You can use markup within text (except verbatim) to change the
# appearance of parts of that text. Out of the box, RDoc::Markup
# supports word-based and general markup.
#
# Word-based markup uses flag characters around individual words:
#
# <tt>\*_word_\*</tt>:: displays _word_ in a *bold* font
# <tt>\__word_\_</tt>:: displays _word_ in an _emphasized_ font
# <tt>\+_word_\+</tt>:: displays _word_ in a +code+ font
#
# General markup affects text between a start delimiter and an end
# delimiter. Not surprisingly, these delimiters look like HTML markup.
#
# <tt>\<b>_text_</b></tt>:: displays _text_ in a *bold* font
# <tt>\<em>_text_</em></tt>:: displays _text_ in an _emphasized_ font
# (alternate tag: <tt>\<i></tt>)
# <tt>\<tt>_text_\</tt></tt>:: displays _text_ in a +code+ font
# (alternate tag: <tt>\<code></tt>)
#
# Unlike conventional Wiki markup, general markup can cross line
# boundaries. You can turn off the interpretation of markup by
# preceding the first character with a backslash (see <i>Escaping
# Text Markup</i>, below).
#
# === Links
#
# Links to starting with +http:+, +https:+, +mailto:+, +ftp:+ or +www.+
# are recognized. An HTTP url that references an external image is converted
# into an inline image element.
#
# Classes and methods will be automatically linked to their definition. For
# example, <tt>RDoc::Markup</tt> will link to this documentation. By default
# methods will only be automatically linked if they contain an <tt>_</tt> (all
# methods can be automatically linked through the <tt>--hyperlink-all</tt>
# command line option).
#
# Single-word methods can be linked by using the <tt>#</tt> character for
# instance methods or <tt>::</tt> for class methods. For example,
# <tt>#convert</tt> links to #convert. A class or method may be combined like
# <tt>RDoc::Markup#convert</tt>.
#
# A heading inside the documentation can be linked by following the class
# or method by an <tt>@</tt> then the heading name.
# <tt>RDoc::Markup@Links</tt> will link to this section like this:
# RDoc::Markup@Links. Spaces in headings with multiple words must be escaped
# with <tt>+</tt> like <tt>RDoc::Markup@Escaping+Text+Markup</tt>.
# Punctuation and other special characters must be escaped like CGI.escape.
#
# The <tt>@</tt> can also be used to link to sections. If a section and a
# heading share the same name the section is preferred for the link.
#
# Links can also be of the form <tt>label[url]</tt>, in which case +label+ is
# used in the displayed text, and +url+ is used as the target. If +label+
# contains multiple words, put it in braces: <tt>{multi word label}[url]</tt>.
# The +url+ may be an +http:+-type link or a cross-reference to a class,
# module or method with a label.
#
# Links with the <code>rdoc-image:</code> scheme will create an image tag for
# HTML output. Only fully-qualified URLs are supported.
#
# Links with the <tt>rdoc-ref:</tt> scheme will link to the referenced class,
# module, method, file, etc. If the referenced item is does not exist
# no link will be generated and <tt>rdoc-ref:</tt> will be removed from the
# resulting text.
#
# Links starting with <tt>rdoc-label:label_name</tt> will link to the
# +label_name+. You can create a label for the current link (for
# bidirectional links) by supplying a name for the current link like
# <tt>rdoc-label:label-other:label-mine</tt>.
#
# Links starting with +link:+ refer to local files whose path is relative to
# the <tt>--op</tt> directory. Use <tt>rdoc-ref:</tt> instead of
# <tt>link:</tt> to link to files generated by RDoc as the link target may
# be different across RDoc generators.
#
# Example links:
#
# https://github.com/ruby/rdoc
# mailto:user@example.com
# {RDoc Documentation}[http://rdoc.rubyforge.org]
# {RDoc Markup}[rdoc-ref:RDoc::Markup]
# See RDoc::MarkupReference.
#
# === Escaping Text Markup
#
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