vendor: update to latest versions of everything

vendor/github.com/russross/blackfriday/.travis.yml

@@ -1,26 +1,13 @@
 sudo: false
 language: go
 go:
-  - 1.5.4
-  - 1.6.2
+  - "1.9.x"
+  - "1.10.x"
   - tip
 matrix:
-  include:
-    - go: 1.2.2
-      script:
-        - go get -t -v ./...
-        - go test -v -race ./...
-    - go: 1.3.3
-      script:
-        - go get -t -v ./...
-        - go test -v -race ./...
-    - go: 1.4.3
-      script:
-        - go get -t -v ./...
-        - go test -v -race ./...
+  fast_finish: true
   allow_failures:
     - go: tip
-  fast_finish: true
 install:
   - # Do nothing. This is needed to prevent default install action "go get -t -v ./..." from happening here (we want it to happen inside script step).
 script:

vendor/github.com/russross/blackfriday/README.md

@@ -34,7 +34,7 @@ developed on its own branch: https://github.com/russross/blackfriday/tree/v2 and
 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`,
+It is `go get`-able 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
@@ -331,6 +331,12 @@ are a few of note:
 *   [LaTeX output](https://bitbucket.org/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.
+
 
 TODO
 ----

vendor/github.com/russross/blackfriday/block.go

@@ -15,6 +15,7 @@ package blackfriday
 
 import (
 	"bytes"
+	"strings"
 	"unicode"
 )
 
@@ -92,7 +93,7 @@ func (p *parser) block(out *bytes.Buffer, data []byte) {
 
 		// fenced code block:
 		//
-		// ``` go
+		// ``` go info string here
 		// func fact(n int) int {
 		//     if n <= 1 {
 		//         return n
@@ -562,7 +563,7 @@ func (*parser) isHRule(data []byte) bool {
 // and returns the end index if so, or 0 otherwise. It also returns the marker found.
 // If syntax is not nil, it gets set to the syntax specified in the fence line.
 // A final newline is mandatory to recognize the fence line, unless newlineOptional is true.
-func isFenceLine(data []byte, syntax *string, oldmarker string, newlineOptional bool) (end int, marker string) {
+func isFenceLine(data []byte, info *string, oldmarker string, newlineOptional bool) (end int, marker string) {
 	i, size := 0, 0
 
 	// skip up to three spaces
@@ -598,9 +599,9 @@ func isFenceLine(data []byte, syntax *string, oldmarker string, newlineOptional
 	}
 
 	// TODO(shurcooL): It's probably a good idea to simplify the 2 code paths here
-	// into one, always get the syntax, and discard it if the caller doesn't care.
-	if syntax != nil {
-		syn := 0
+	// into one, always get the info string, and discard it if the caller doesn't care.
+	if info != nil {
+		infoLength := 0
 		i = skipChar(data, i, ' ')
 
 		if i >= len(data) {
@@ -610,14 +611,14 @@ func isFenceLine(data []byte, syntax *string, oldmarker string, newlineOptional
 			return 0, ""
 		}
 
-		syntaxStart := i
+		infoStart := i
 
 		if data[i] == '{' {
 			i++
-			syntaxStart++
+			infoStart++
 
 			for i < len(data) && data[i] != '}' && data[i] != '\n' {
-				syn++
+				infoLength++
 				i++
 			}
 
@@ -627,24 +628,24 @@ func isFenceLine(data []byte, syntax *string, oldmarker string, newlineOptional
 
 			// strip all whitespace at the beginning and the end
 			// of the {} block
-			for syn > 0 && isspace(data[syntaxStart]) {
-				syntaxStart++
-				syn--
+			for infoLength > 0 && isspace(data[infoStart]) {
+				infoStart++
+				infoLength--
 			}
 
-			for syn > 0 && isspace(data[syntaxStart+syn-1]) {
-				syn--
+			for infoLength > 0 && isspace(data[infoStart+infoLength-1]) {
+				infoLength--
 			}
 
 			i++
 		} else {
-			for i < len(data) && !isspace(data[i]) {
-				syn++
+			for i < len(data) && !isverticalspace(data[i]) {
+				infoLength++
 				i++
 			}
 		}
 
-		*syntax = string(data[syntaxStart : syntaxStart+syn])
+		*info = strings.TrimSpace(string(data[infoStart : infoStart+infoLength]))
 	}
 
 	i = skipChar(data, i, ' ')
@@ -662,8 +663,8 @@ func isFenceLine(data []byte, syntax *string, oldmarker string, newlineOptional
 // or 0 otherwise. It writes to out if doRender is true, otherwise it has no side effects.
 // If doRender is true, a final newline is mandatory to recognize the fenced code block.
 func (p *parser) fencedCodeBlock(out *bytes.Buffer, data []byte, doRender bool) int {
-	var syntax string
-	beg, marker := isFenceLine(data, &syntax, "", false)
+	var infoString string
+	beg, marker := isFenceLine(data, &infoString, "", false)
 	if beg == 0 || beg >= len(data) {
 		return 0
 	}
@@ -697,7 +698,7 @@ func (p *parser) fencedCodeBlock(out *bytes.Buffer, data []byte, doRender bool)
 	}
 
 	if doRender {
-		p.r.BlockCode(out, work.Bytes(), syntax)
+		p.r.BlockCode(out, work.Bytes(), infoString)
 	}
 
 	return beg
@@ -1142,6 +1143,7 @@ func (p *parser) listItem(out *bytes.Buffer, data []byte, flags *int) int {
 	// process the following lines
 	containsBlankLine := false
 	sublist := 0
+	codeBlockMarker := ""
 
 gatherlines:
 	for line < len(data) {
@@ -1169,6 +1171,28 @@ gatherlines:
 
 		chunk := data[line+indent : i]
 
+		if p.flags&EXTENSION_FENCED_CODE != 0 {
+			// determine if in or out of codeblock
+			// if in codeblock, ignore normal list processing
+			_, marker := isFenceLine(chunk, nil, codeBlockMarker, false)
+			if marker != "" {
+				if codeBlockMarker == "" {
+					// start of codeblock
+					codeBlockMarker = marker
+				} else {
+					// end of codeblock.
+					*flags |= LIST_ITEM_CONTAINS_BLOCK
+					codeBlockMarker = ""
+				}
+			}
+			// we are in a codeblock, write line, and continue
+			if codeBlockMarker != "" || marker != "" {
+				raw.Write(data[line+indent : i])
+				line = i
+				continue gatherlines
+			}
+		}
+
 		// evaluate how this line fits in
 		switch {
 		// is this a nested list item?

vendor/github.com/russross/blackfriday/go.mod

@@ -0,0 +1 @@
+module github.com/russross/blackfriday

vendor/github.com/russross/blackfriday/html.go

@@ -255,33 +255,21 @@ func (options *Html) HRule(out *bytes.Buffer) {
 	out.WriteByte('\n')
 }
 
-func (options *Html) BlockCode(out *bytes.Buffer, text []byte, lang string) {
+func (options *Html) BlockCode(out *bytes.Buffer, text []byte, info string) {
 	doubleSpace(out)
 
-	// parse out the language names/classes
-	count := 0
-	for _, elt := range strings.Fields(lang) {
-		if elt[0] == '.' {
-			elt = elt[1:]
-		}
-		if len(elt) == 0 {
-			continue
-		}
-		if count == 0 {
-			out.WriteString("<pre><code class=\"language-")
-		} else {
-			out.WriteByte(' ')
-		}
-		attrEscape(out, []byte(elt))
-		count++
+	endOfLang := strings.IndexAny(info, "\t ")
+	if endOfLang < 0 {
+		endOfLang = len(info)
 	}
-
-	if count == 0 {
+	lang := info[:endOfLang]
+	if len(lang) == 0 || lang == "." {
 		out.WriteString("<pre><code>")
 	} else {
+		out.WriteString("<pre><code class=\"language-")
+		attrEscape(out, []byte(lang))
 		out.WriteString("\">")
 	}
-
 	attrEscape(out, text)
 	out.WriteString("</code></pre>\n")
 }

vendor/github.com/russross/blackfriday/latex.go

@@ -17,6 +17,7 @@ package blackfriday
 
 import (
 	"bytes"
+	"strings"
 )
 
 // Latex is a type that implements the Renderer interface for LaTeX output.
@@ -39,16 +40,17 @@ func (options *Latex) GetFlags() int {
 }
 
 // render code chunks using verbatim, or listings if we have a language
-func (options *Latex) BlockCode(out *bytes.Buffer, text []byte, lang string) {
-	if lang == "" {
+func (options *Latex) BlockCode(out *bytes.Buffer, text []byte, info string) {
+	if info == "" {
 		out.WriteString("\n\\begin{verbatim}\n")
 	} else {
+		lang := strings.Fields(info)[0]
 		out.WriteString("\n\\begin{lstlisting}[language=")
 		out.WriteString(lang)
 		out.WriteString("]\n")
 	}
 	out.Write(text)
-	if lang == "" {
+	if info == "" {
 		out.WriteString("\n\\end{verbatim}\n")
 	} else {
 		out.WriteString("\n\\end{lstlisting}\n")

vendor/github.com/russross/blackfriday/markdown.go

@@ -159,7 +159,7 @@ var blockTags = map[string]struct{}{
 // Currently Html and Latex implementations are provided
 type Renderer interface {
 	// block-level callbacks
-	BlockCode(out *bytes.Buffer, text []byte, lang string)
+	BlockCode(out *bytes.Buffer, text []byte, infoString string)
 	BlockQuote(out *bytes.Buffer, text []byte)
 	BlockHtml(out *bytes.Buffer, text []byte)
 	Header(out *bytes.Buffer, text func() bool, level int, id string)
@@ -804,7 +804,17 @@ func ispunct(c byte) bool {
 
 // Test if a character is a whitespace character.
 func isspace(c byte) bool {
-	return c == ' ' || c == '\t' || c == '\n' || c == '\r' || c == '\f' || c == '\v'
+	return ishorizontalspace(c) || isverticalspace(c)
+}
+
+// Test if a character is a horizontal whitespace character.
+func ishorizontalspace(c byte) bool {
+	return c == ' ' || c == '\t'
+}
+
+// Test if a character is a vertical whitespace character.
+func isverticalspace(c byte) bool {
+	return c == '\n' || c == '\r' || c == '\f' || c == '\v'
 }
 
 // Test if a character is letter.