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Update Blackfriday dependency (closes #522) (#532)

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- Fixup Telegram bridge implementation to support updated dependency.
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Duco van Amstel
2018-10-22 10:48:29 -07:00
committed by Wim
parent 6911458d15
commit f2cdda7278
19 changed files with 2542 additions and 2297 deletions
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vendor/github.com/russross/blackfriday/README.md generated vendored
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@ -1,6 +1,4 @@
Blackfriday
[![Build Status][BuildSVG]][BuildURL]
[![Godoc][GodocV2SVG]][GodocV2URL]
Blackfriday [![Build Status](https://travis-ci.org/russross/blackfriday.svg?branch=master)](https://travis-ci.org/russross/blackfriday)
===========
Blackfriday is a [Markdown][1] processor implemented in [Go][2]. It
@ -18,27 +16,27 @@ It started as a translation from C of [Sundown][3].
Installation
------------
Blackfriday is compatible with any modern Go release. With Go and git installed:
Blackfriday is compatible with any modern Go release. With Go 1.7 and git
installed:
go get -u gopkg.in/russross/blackfriday.v2
go get gopkg.in/russross/blackfriday.v2
will download, compile, and install the package into your `$GOPATH` directory
hierarchy.
will download, compile, and install the package into your `$GOPATH`
directory hierarchy. Alternatively, you can achieve the same if you
import it into a project:
import "gopkg.in/russross/blackfriday.v2"
and `go get` without parameters.
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.
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.
developed on its own branch: https://github.com/russross/blackfriday/v2. You
should install and import it via [gopkg.in][6] at
`gopkg.in/russross/blackfriday.v2`.
Version 2 offers a number of improvements over v1:
@ -58,43 +56,9 @@ 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://godoc.org/github.com/russross/blackfriday
### Known issue with `dep`
There is a known problem with using Blackfriday v1 _transitively_ and `dep`.
Currently `dep` prioritizes semver versions over anything else, and picks the
latest one, plus it does not apply a `[[constraint]]` specifier to transitively
pulled in packages. So if you're using something that uses Blackfriday v1, but
that something does not use `dep` yet, you will get Blackfriday v2 pulled in and
your first dependency will fail to build.
There are couple of fixes for it, documented here:
https://github.com/golang/dep/blob/master/docs/FAQ.md#how-do-i-constrain-a-transitive-dependencys-version
Meanwhile, `dep` team is working on a more general solution to the constraints
on transitive dependencies problem: https://github.com/golang/dep/issues/1124.
Usage
-----
### v1
For basic usage, it is as simple as getting your input into a byte
slice and calling:
output := blackfriday.MarkdownBasic(input)
This renders it with no extensions enabled. To get a more useful
feature set, use this instead:
output := blackfriday.MarkdownCommon(input)
### v2
For the most sensible markdown processing, it is as simple as getting your input
into a byte slice and calling:
@ -121,7 +85,7 @@ Here's an example of simple usage of Blackfriday together with Bluemonday:
```go
import (
"github.com/microcosm-cc/bluemonday"
"gopkg.in/russross/blackfriday.v2"
"github.com/russross/blackfriday"
)
// ...
@ -129,21 +93,11 @@ unsafe := blackfriday.Run(input)
html := bluemonday.UGCPolicy().SanitizeBytes(unsafe)
```
### Custom options, v1
If you want to customize the set of options, first get a renderer
(currently only the HTML output engine), then use it to
call the more general `Markdown` function. For examples, see the
implementations of `MarkdownBasic` and `MarkdownCommon` in
`markdown.go`.
### Custom options, v2
### Custom options
If you want to customize the set of options, use `blackfriday.WithExtensions`,
`blackfriday.WithRenderer` and `blackfriday.WithRefOverride`.
### `blackfriday-tool`
You can also check out `blackfriday-tool` for a more complete example
of how to use it. Download and install it using:
@ -163,22 +117,6 @@ installed in `$GOPATH/bin`. This is a statically-linked binary that
can be copied to wherever you need it without worrying about
dependencies and library versions.
### Sanitized anchor names
Blackfriday includes an algorithm for creating sanitized anchor names
corresponding to a given input text. This algorithm is used to create
anchors for headings when `EXTENSION_AUTO_HEADER_IDS` is enabled. The
algorithm has a specification, so that other packages can create
compatible anchor names and links to those anchors.
The specification is located at https://godoc.org/github.com/russross/blackfriday#hdr-Sanitized_Anchor_Names.
[`SanitizedAnchorName`](https://godoc.org/github.com/russross/blackfriday#SanitizedAnchorName) exposes this functionality, and can be used to
create compatible links to the anchor names generated by blackfriday.
This algorithm is also implemented in a small standalone package at
[`github.com/shurcooL/sanitized_anchor_name`](https://godoc.org/github.com/shurcooL/sanitized_anchor_name). It can be useful for clients
that want a small package and don't need full functionality of blackfriday.
Features
--------
@ -246,7 +184,7 @@ implements the following extensions:
and supply a language (to make syntax highlighting simple). Just
mark it like this:
``` go
```go
func getTrue() bool {
return true
}
@ -255,15 +193,6 @@ implements the following extensions:
You can use 3 or more backticks to mark the beginning of the
block, and the same number to mark the end of the block.
To preserve classes of fenced code blocks while using the bluemonday
HTML sanitizer, use the following policy:
``` go
p := bluemonday.UGCPolicy()
p.AllowAttrs("class").Matching(regexp.MustCompile("^language-[a-zA-Z0-9]+$")).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.
@ -289,10 +218,8 @@ implements the following extensions:
* **Strikethrough**. Use two tildes (`~~`) to mark text that
should be crossed out.
* **Hard line breaks**. With this extension enabled (it is off by
default in the `MarkdownBasic` and `MarkdownCommon` convenience
functions), newlines in the input translate into line breaks in
the output.
* **Hard line breaks**. With this extension enabled newlines in the input
translate into line breaks in the output. This extension is off by default.
* **Smart quotes**. Smartypants-style punctuation substitution is
supported, turning normal double- and single-quote marks into
@ -332,14 +259,14 @@ are a few of note:
renders output as LaTeX.
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
@ -354,10 +281,3 @@ License
[4]: https://godoc.org/gopkg.in/russross/blackfriday.v2#Parse "Parse func"
[5]: https://github.com/microcosm-cc/bluemonday "Bluemonday"
[6]: https://labix.org/gopkg.in "gopkg.in"
[7]: https://github.com/golang/dep/ "dep"
[8]: https://github.com/Masterminds/glide "Glide"
[BuildSVG]: https://travis-ci.org/russross/blackfriday.svg?branch=master
[BuildURL]: https://travis-ci.org/russross/blackfriday
[GodocV2SVG]: https://godoc.org/gopkg.in/russross/blackfriday.v2?status.svg
[GodocV2URL]: https://godoc.org/gopkg.in/russross/blackfriday.v2