[bugfix] html escape special characters in text instead of totally removing them (#719)

* remove minify dependency

* tidy up some tests

* remove pre + postformat funcs

* rework sanitization + formatting

* update tests

* add some more markdown tests

1 files changed, 0 insertions, 103 deletions

diff --git a/vendor/github.com/tdewolff/parse/v2/html/util.go b/vendor/github.com/tdewolff/parse/v2/html/util.go
deleted file mode 100644
index 81c4b5c90..000000000
--- a/vendor/github.com/tdewolff/parse/v2/html/util.go
+++ /dev/null
@@ -1,103 +0,0 @@
-package html
-
-var (
-	singleQuoteEntityBytes = []byte("'")
-	doubleQuoteEntityBytes = []byte(""")
-)
-
-// EscapeAttrVal returns the escaped attribute value bytes with quotes. Either single or double quotes are used, whichever is shorter. If there are no quotes present in the value and the value is in HTML (not XML), it will return the value without quotes.
-func EscapeAttrVal(buf *[]byte, orig, b []byte, isXML bool) []byte {
-	singles := 0
-	doubles := 0
-	unquoted := true
-	entities := false
-	for _, c := range b {
-		if charTable[c] {
-			unquoted = false
-			if c == '"' {
-				doubles++
-			} else if c == '\'' {
-				singles++
-			}
-		}
-	}
-	if unquoted && !isXML {
-		return b
-	} else if !entities && len(orig) == len(b)+2 && (singles == 0 && orig[0] == '\'' || doubles == 0 && orig[0] == '"') {
-		return orig
-	}
-
-	n := len(b) + 2
-	var quote byte
-	var escapedQuote []byte
-	if singles >= doubles || isXML {
-		n += doubles * 4
-		quote = '"'
-		escapedQuote = doubleQuoteEntityBytes
-	} else {
-		n += singles * 4
-		quote = '\''
-		escapedQuote = singleQuoteEntityBytes
-	}
-	if n > cap(*buf) {
-		*buf = make([]byte, 0, n) // maximum size, not actual size
-	}
-	t := (*buf)[:n] // maximum size, not actual size
-	t[0] = quote
-	j := 1
-	start := 0
-	for i, c := range b {
-		if c == quote {
-			j += copy(t[j:], b[start:i])
-			j += copy(t[j:], escapedQuote)
-			start = i + 1
-		}
-	}
-	j += copy(t[j:], b[start:])
-	t[j] = quote
-	return t[:j+1]
-}
-
-var charTable = [256]bool{
-	// ASCII
-	false, false, false, false, false, false, false, false,
-	false, true, true, false, true, true, false, false, // tab, line feed, form feed, carriage return
-	false, false, false, false, false, false, false, false,
-	false, false, false, false, false, false, false, false,
-
-	true, false, true, false, false, false, false, true, // space, "), '
-	false, false, false, false, false, false, false, false,
-	false, false, false, false, false, false, false, false,
-	false, false, false, false, true, true, true, false, // <, =, >
-
-	false, false, false, false, false, false, false, false,
-	false, false, false, false, false, false, false, false,
-	false, false, false, false, false, false, false, false,
-	false, false, false, false, false, false, false, false,
-
-	true, false, false, false, false, false, false, false, // `
-	false, false, false, false, false, false, false, false,
-	false, false, false, false, false, false, false, false,
-	false, false, false, false, false, false, false, false,
-
-	// non-ASCII
-	false, false, false, false, false, false, false, false,
-	false, false, false, false, false, false, false, false,
-	false, false, false, false, false, false, false, false,
-	false, false, false, false, false, false, false, false,
-
-	false, false, false, false, false, false, false, false,
-	false, false, false, false, false, false, false, false,
-	false, false, false, false, false, false, false, false,
-	false, false, false, false, false, false, false, false,
-
-	false, false, false, false, false, false, false, false,
-	false, false, false, false, false, false, false, false,
-	false, false, false, false, false, false, false, false,
-	false, false, false, false, false, false, false, false,
-
-	false, false, false, false, false, false, false, false,
-	false, false, false, false, false, false, false, false,
-	false, false, false, false, false, false, false, false,
-	false, false, false, false, false, false, false, false,
-}