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v2/README: make a definitive decision on v2 import path 

This change makes it clear that the v2 import path
is github.com/russross/blackfriday/v2, and updates
various links accordingly.

See https://github.com/russross/blackfriday/issues/587#issuecomment-703393820 for details.

This change also converges the README for v1 and v2
to be consistent, as they've started to drift apart.

For #587.
pull/675/head
Dmitri Shuralyov 2020-10-05 00:58:38 -04:00 committed by GitHub
parent acedacffef
commit 282eb648ba
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README.md
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@ -1,4 +1,6 @@
Blackfriday [![Build Status](https://travis-ci.org/russross/blackfriday.svg?branch=master)](https://travis-ci.org/russross/blackfriday)
Blackfriday
[![Build Status][BuildV2SVG]][BuildV2URL]
[![PkgGoDev][PkgGoDevV2SVG]][PkgGoDevV2URL]
===========
Blackfriday is a [Markdown][1] processor implemented in [Go][2]. It
@ -16,19 +18,21 @@ It started as a translation from C of [Sundown][3].
Installation
------------
Blackfriday is compatible with any modern Go release. With Go 1.7 and git
installed:
Blackfriday is compatible with modern Go releases in module mode.
With Go installed:
go get gopkg.in/russross/blackfriday.v2
go get github.com/russross/blackfriday/v2
will download, compile, and install the package into your `$GOPATH`
directory hierarchy. Alternatively, you can achieve the same if you
import it into a project:
will resolve and add the package to the current development module,
then build and install it. Alternatively, you can achieve the same
if you import it in a package:
import "gopkg.in/russross/blackfriday.v2"
import "github.com/russross/blackfriday/v2"
and `go get` without parameters.
Legacy GOPATH mode is unsupported.
Versions
--------
@ -36,13 +40,9 @@ Versions
Currently maintained and recommended version of Blackfriday is `v2`. It's being
developed on its own branch: https://github.com/russross/blackfriday/tree/v2 and the
documentation is available at
https://godoc.org/gopkg.in/russross/blackfriday.v2.
https://pkg.go.dev/github.com/russross/blackfriday/v2.
It is `go get`-able via via [gopkg.in][6] at `gopkg.in/russross/blackfriday.v2`,
but we highly recommend using package management tool like [dep][7] or
[Glide][8] and make use of semantic versioning. With package management you
should import `github.com/russross/blackfriday` and specify that you're using
version 2.0.0.
It is `go get`-able in module mode at `github.com/russross/blackfriday/v2`.
Version 2 offers a number of improvements over v1:
@ -62,6 +62,11 @@ Potential drawbacks:
v2. See issue [#348](https://github.com/russross/blackfriday/issues/348) for
tracking.
If you are still interested in the legacy `v1`, you can import it from
`github.com/russross/blackfriday`. Documentation for the legacy v1 can be found
here: https://pkg.go.dev/github.com/russross/blackfriday.
Usage
-----
@ -91,7 +96,7 @@ Here's an example of simple usage of Blackfriday together with Bluemonday:
```go
import (
"github.com/microcosm-cc/bluemonday"
"github.com/russross/blackfriday"
"github.com/russross/blackfriday/v2"
)
// ...
@ -116,7 +121,7 @@ markdown file using a standalone program. You can also browse the
source directly on github if you are just looking for some example
code:
* <http://github.com/russross/blackfriday-tool>
* <https://github.com/russross/blackfriday-tool>
Note that if you have not already done so, installing
`blackfriday-tool` will be sufficient to download and install
@ -133,12 +138,12 @@ anchors for headings when `AutoHeadingIDs` extension is enabled. The
algorithm has a specification, so that other packages can create
compatible anchor names and links to those anchors.
The specification is located at https://godoc.org/gopkg.in/russross/blackfriday.v2#hdr-Sanitized_Anchor_Names.
The specification is located at https://pkg.go.dev/github.com/russross/blackfriday/v2#hdr-Sanitized_Anchor_Names.
[`SanitizedAnchorName`](https://godoc.org/gopkg.in/russross/blackfriday.v2#SanitizedAnchorName) exposes this functionality, and can be used to
[`SanitizedAnchorName`](https://pkg.go.dev/github.com/russross/blackfriday/v2#SanitizedAnchorName) exposes this functionality, and can be used to
create compatible links to the anchor names generated by blackfriday.
This algorithm is also implemented in a small standalone package at
[`github.com/shurcooL/sanitized_anchor_name`](https://godoc.org/github.com/shurcooL/sanitized_anchor_name). It can be useful for clients
[`github.com/shurcooL/sanitized_anchor_name`](https://pkg.go.dev/github.com/shurcooL/sanitized_anchor_name). It can be useful for clients
that want a small package and don't need full functionality of blackfriday.
@ -217,6 +222,15 @@ implements the following extensions:
You can use 3 or more backticks to mark the beginning of the
block, and the same number to mark the end of the block.
To preserve classes of fenced code blocks while using the bluemonday
HTML sanitizer, use the following policy:
```go
p := bluemonday.UGCPolicy()
p.AllowAttrs("class").Matching(regexp.MustCompile("^language-[a-zA-Z0-9]+$")).OnElements("code")
html := p.SanitizeBytes(unsafe)
```
* **Definition lists**. A simple definition list is made of a single-line
term followed by a colon and the definition for that term.
@ -268,7 +282,7 @@ Other renderers
Blackfriday is structured to allow alternative rendering engines. Here
are a few of note:
* [github_flavored_markdown](https://godoc.org/github.com/shurcooL/github_flavored_markdown):
* [github_flavored_markdown](https://pkg.go.dev/github.com/shurcooL/github_flavored_markdown):
provides a GitHub Flavored Markdown renderer with fenced code block
highlighting, clickable heading anchor links.
@ -279,21 +293,28 @@ are a few of note:
* [markdownfmt](https://github.com/shurcooL/markdownfmt): like gofmt,
but for markdown.
* [LaTeX output](https://github.com/Ambrevar/Blackfriday-LaTeX):
* [LaTeX output](https://gitlab.com/ambrevar/blackfriday-latex):
renders output as LaTeX.
* [bfchroma](https://github.com/Depado/bfchroma/): provides convenience
integration with the [Chroma](https://github.com/alecthomas/chroma) code
highlighting library. bfchroma is only compatible with v2 of Blackfriday and
provides a drop-in renderer ready to use with Blackfriday, as well as
options and means for further customization.
* [Blackfriday-Confluence](https://github.com/kentaro-m/blackfriday-confluence): provides a [Confluence Wiki Markup](https://confluence.atlassian.com/doc/confluence-wiki-markup-251003035.html) renderer.
* [Blackfriday-Slack](https://github.com/karriereat/blackfriday-slack): converts markdown to slack message style
Todo
TODO
----
* More unit testing
* Improve unicode support. It does not understand all unicode
* Improve Unicode support. It does not understand all Unicode
rules (about what constitutes a letter, a punctuation symbol,
etc.), so it may fail to detect word boundaries correctly in
some instances. It is safe on all utf-8 input.
some instances. It is safe on all UTF-8 input.
License
@ -305,6 +326,10 @@ License
[1]: https://daringfireball.net/projects/markdown/ "Markdown"
[2]: https://golang.org/ "Go Language"
[3]: https://github.com/vmg/sundown "Sundown"
[4]: https://godoc.org/gopkg.in/russross/blackfriday.v2#Parse "Parse func"
[4]: https://pkg.go.dev/github.com/russross/blackfriday/v2#Parse "Parse func"
[5]: https://github.com/microcosm-cc/bluemonday "Bluemonday"
[6]: https://labix.org/gopkg.in "gopkg.in"
[BuildV2SVG]: https://travis-ci.org/russross/blackfriday.svg?branch=v2
[BuildV2URL]: https://travis-ci.org/russross/blackfriday
[PkgGoDevV2SVG]: https://pkg.go.dev/badge/github.com/russross/blackfriday/v2
[PkgGoDevV2URL]: https://pkg.go.dev/github.com/russross/blackfriday/v2