1 files changed, 0 insertions, 82 deletions
diff --git a/src/pkg/go/doc/synopsis.go b/src/pkg/go/doc/synopsis.go
deleted file mode 100644
index c90080b7c..000000000
--- a/src/pkg/go/doc/synopsis.go
+++ /dev/null
@@ -1,82 +0,0 @@
-// Copyright 2012 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-package doc
-
-import (
-	"strings"
-	"unicode"
-)
-
-// firstSentenceLen returns the length of the first sentence in s.
-// The sentence ends after the first period followed by space and
-// not preceded by exactly one uppercase letter.
-//
-func firstSentenceLen(s string) int {
-	var ppp, pp, p rune
-	for i, q := range s {
-		if q == '\n' || q == '\r' || q == '\t' {
-			q = ' '
-		}
-		if q == ' ' && p == '.' && (!unicode.IsUpper(pp) || unicode.IsUpper(ppp)) {
-			return i
-		}
-		if p == '。' || p == '．' {
-			return i
-		}
-		ppp, pp, p = pp, p, q
-	}
-	return len(s)
-}
-
-const (
-	keepNL = 1 << iota
-)
-
-// clean replaces each sequence of space, \n, \r, or \t characters
-// with a single space and removes any trailing and leading spaces.
-// If the keepNL flag is set, newline characters are passed through
-// instead of being change to spaces.
-func clean(s string, flags int) string {
-	var b []byte
-	p := byte(' ')
-	for i := 0; i < len(s); i++ {
-		q := s[i]
-		if (flags&keepNL) == 0 && q == '\n' || q == '\r' || q == '\t' {
-			q = ' '
-		}
-		if q != ' ' || p != ' ' {
-			b = append(b, q)
-			p = q
-		}
-	}
-	// remove trailing blank, if any
-	if n := len(b); n > 0 && p == ' ' {
-		b = b[0 : n-1]
-	}
-	return string(b)
-}
-
-// Synopsis returns a cleaned version of the first sentence in s.
-// That sentence ends after the first period followed by space and
-// not preceded by exactly one uppercase letter. The result string
-// has no \n, \r, or \t characters and uses only single spaces between
-// words. If s starts with any of the IllegalPrefixes, the result
-// is the empty string.
-//
-func Synopsis(s string) string {
-	s = clean(s[0:firstSentenceLen(s)], 0)
-	for _, prefix := range IllegalPrefixes {
-		if strings.HasPrefix(strings.ToLower(s), prefix) {
-			return ""
-		}
-	}
-	return s
-}
-
-var IllegalPrefixes = []string{
-	"copyright",
-	"all rights",
-	"author",
-}