assorted cleanup

R=r, iant
CC=go-dev
http://go/go-review/1025024

doc/contribute.html

 <!-- Contributing to the Go project -->
 
-<!-- TODO(rsc):
-	Mention community resources like IRC, mailing lists,
-	change list email groups, etc.
--->
-
 <h2>Introduction</h2>
 
 <p>
@@ -26,6 +21,29 @@ enables discussions about design before much code
 has been written.
 </p>
 
+<h2>Community resources</h2>
+
+<p>
+For real-time help, there may be users or developers on the
+<code>#go-nuts</code> on the <a href="http://freenode.net/">Freenode</a> IRC server.
+</p>
+
+<p>
+The official mailing list for discussion of the Go language is
+<a href="http://groups.google.com/group/golang-nuts">Go Nuts</a>.
+</p>
+
+<p>
+Bugs can be reported using the <a href="http://code.google.com/p/go/issues/list">Go issue tracker</a>.
+</p>
+
+<p>
+For those who wish to keep up with development,
+there is another mailing list, <a href="http://groups.google.com/group/golang-checkins">golang-checkins</a>,
+that receives a message summarizing each checkin to the Go repository.
+</p>
+
+
 <h2>Creating a new package</h2>
 
 <p>
@@ -244,7 +262,7 @@ The Mercurial configuration file format does not allow environment variable subs
 <p>
 The code review server uses a Google Account to authenticate.
 (If you can use the account to
-<a href="https://www.google.com/accounts/Login?hl=en&continue=http://www.google.com/">sign in at google.com</a>,
+<a href="https://www.google.com/accounts/Login?hl=en&amp;continue=http://www.google.com/">sign in at google.com</a>,
 you can use it to sign in to the code review server.)
 </p>
 
@@ -425,7 +443,7 @@ warning: conflicts during merge.
 <i>merging src/pkg/flag/flag_test.go failed!</i>
 1 file updated, 0 files merged, 0 files removed, 1 file unresolved
 use 'hg resolve' to retry unresolved file merges
-$ 
+$
 </pre>
 
 <p>
@@ -468,8 +486,8 @@ that you have corrected the file.
 </p>
 
 <p>
-If you had been editing the file, say for debugging, but do not 
-care to preserve your changes, you can run 
+If you had been editing the file, say for debugging, but do not
+care to preserve your changes, you can run
 <code>hg revert flag_test.go</code> to abandon your
 changes.
 </p>

doc/go_mem.html

@@ -233,7 +233,7 @@ The <code>sync</code> package implements two lock data types,
 </p>
 
 <p class="rule">
-For any <code>sync.Mutex</code> variable <code>l</code> and <i>n</i> &lt; <i>m</i>,
+For any <code>sync.Mutex</code> or <code>sync.RWMutex</code> variable <code>l</code> and <i>n</i> &lt; <i>m</i>,
 the <i>n</i>'th call to <code>l.Unlock()</code> happens before the <i>m</i>'th call to <code>l.Lock()</code> returns.
 </p>
 
@@ -265,8 +265,11 @@ before the second call to <code>l.Lock()</code> (in <code>main</code>) returns,
 which happens before the <code>print</code>.
 </p>
 
-<p>
-TODO(rsc): <code>sync.RWMutex</code>.
+<p class="rule">
+For any call to <code>l.RLock</code> on a <code>sync.RWMutex</code> variable <code>l</code>,
+there is an <i>n</i> such that the <code>l.RLock</code> happens (returns) after the <i>n</i>'th call to
+<code>l.Unlock</code> and the matching <code>l.RUnlock</code> happens
+before the <i>n</i>+1'th call to <code>l.Lock</code>.
 </p>
 
 <h3>Once</h3>

lib/codereview/codereview.py

@@ -1078,7 +1078,15 @@ def sync(ui, repo, **opts):
 	sync_changes(ui, repo)
 
 def sync_note(msg):
-	if msg == 'resolving manifests\n' or msg == 'searching for changes\n':
+	# we run sync (pull -u) in verbose mode to get the
+	# list of files being updated, but that drags along
+	# a bunch of messages we don't care about.
+	# omit them.
+	if msg == 'resolving manifests\n':
+		return
+	if msg == 'searching for changes\n':
+		return
+	if msg == "couldn't find merge tool hgmerge\n":
 		return
 	sys.stdout.write(msg)
 

src/cmd/gc/print.c

@@ -293,7 +293,7 @@ exprfmt(Fmt *f, Node *n, int prec)
 	case OCONVIFACE:
 	case OARRAYBYTESTR:
 	case ORUNESTR:
-		if(n->type->sym == S)
+		if(n->type == T || n->type->sym == S)
 			fmtprint(f, "(%T)(", n->type);
 		else
 			fmtprint(f, "%T(", n->type);

src/pkg/bufio/bufio.go

@@ -15,12 +15,6 @@ import (
 )
 
 
-// TODO:
-//	- maybe define an interface
-//	- Reader: ReadRune, UnreadRune ?
-//		could make ReadRune generic if we dropped UnreadRune
-//	- buffered output
-
 const (
 	defaultBufSize = 4096;
 )

src/pkg/compress/flate/inflate.go

@@ -197,7 +197,6 @@ type Reader interface {
 }
 
 // Inflate state.
-// TODO(rsc): Expose this or not?
 type inflater struct {
 	// Input/output sources.
 	r	Reader;

src/pkg/crypto/hmac/hmac_test.go

@@ -4,8 +4,6 @@
 
 package hmac
 
-// TODO(rsc): better test
-
 import (
 	"hash";
 	"fmt";

src/pkg/go/doc/comment.go

@@ -133,7 +133,7 @@ func commentEscape(w io.Writer, s []byte) {
 	last := 0;
 	for i := 0; i < len(s)-1; i++ {
 		if s[i] == s[i+1] && (s[i] == '`' || s[i] == '\'') {
-			template.HtmlEscape(w, s[last:i]);
+			template.HTMLEscape(w, s[last:i]);
 			last = i+2;
 			switch s[i] {
 			case '`':
@@ -144,7 +144,7 @@ func commentEscape(w io.Writer, s []byte) {
 			i++;	// loop will add one more
 		}
 	}
-	template.HtmlEscape(w, s[last:len(s)]);
+	template.HTMLEscape(w, s[last:len(s)]);
 }
 
 
@@ -211,10 +211,9 @@ func unindent(block [][]byte) {
 //
 // TODO(rsc): I'd like to pass in an array of variable names []string
 // and then italicize those strings when they appear as words.
-func ToHtml(w io.Writer, s []byte) {
+func ToHTML(w io.Writer, s []byte) {
 	inpara := false;
 
-	/* TODO(rsc): 6g cant generate code for these
 	close := func() {
 		if inpara {
 			w.Write(html_endp);
@@ -227,7 +226,6 @@ func ToHtml(w io.Writer, s []byte) {
 			inpara = true;
 		}
 	};
-	*/
 
 	lines := split(s);
 	unindent(lines);
@@ -235,19 +233,13 @@ func ToHtml(w io.Writer, s []byte) {
 		line := lines[i];
 		if isBlank(line) {
 			// close paragraph
-			if inpara {
-				w.Write(html_endp);
-				inpara = false;
-			}
+			close();
 			i++;
 			continue;
 		}
 		if indentLen(line) > 0 {
 			// close paragraph
-			if inpara {
-				w.Write(html_endp);
-				inpara = false;
-			}
+			close();
 
 			// count indented or blank lines
 			j := i+1;
@@ -268,21 +260,15 @@ func ToHtml(w io.Writer, s []byte) {
 			// just html escaping
 			w.Write(html_pre);
 			for _, line := range block {
-				template.HtmlEscape(w, line);
+				template.HTMLEscape(w, line);
 			}
 			w.Write(html_endpre);
 			continue;
 		}
 		// open paragraph
-		if !inpara {
-			w.Write(html_p);
-			inpara = true;
-		}
+		open();
 		commentEscape(w, lines[i]);
 		i++;
 	}
-	if inpara {
-		w.Write(html_endp);
-		inpara = false;
-	}
+	close();
 }

src/pkg/go/parser/interface.go

@@ -63,8 +63,7 @@ func ParseExpr(filename string, src interface{}) (ast.Expr, os.Error) {
 
 	var p parser;
 	p.init(filename, data, 0);
-	x := p.parseExpr();	// TODO 6g bug - function call order in expr lists
-	return x, p.GetError(scanner.Sorted);
+	return p.parseExpr(), p.GetError(scanner.Sorted);
 }
 
 
@@ -81,8 +80,7 @@ func ParseStmtList(filename string, src interface{}) ([]ast.Stmt, os.Error) {
 
 	var p parser;
 	p.init(filename, data, 0);
-	list := p.parseStmtList();	// TODO 6g bug - function call order in expr lists
-	return list, p.GetError(scanner.Sorted);
+	return p.parseStmtList(), p.GetError(scanner.Sorted);
 }
 
 
@@ -99,8 +97,7 @@ func ParseDeclList(filename string, src interface{}) ([]ast.Decl, os.Error) {
 
 	var p parser;
 	p.init(filename, data, 0);
-	list := p.parseDeclList();	// TODO 6g bug - function call order in expr lists
-	return list, p.GetError(scanner.Sorted);
+	return p.parseDeclList(), p.GetError(scanner.Sorted);
 }
 
 
@@ -130,8 +127,7 @@ func ParseFile(filename string, src interface{}, mode uint) (*ast.File, os.Error
 
 	var p parser;
 	p.init(filename, data, mode);
-	prog := p.parseFile();	// TODO 6g bug - function call order in expr lists
-	return prog, p.GetError(scanner.NoMultiples);
+	return p.parseFile(), p.GetError(scanner.NoMultiples);
 }
 
 

src/pkg/os/os_test.go

@@ -511,7 +511,7 @@ func TestTime(t *testing.T) {
 	// A common failure mode on Darwin is to get 0, 0,
 	// because it returns the time in registers instead of
 	// filling in the structure passed to the system call.
-	// TODO(rsc): Too bad the compiler doesn't know that
+	// Too bad the compiler doesn't know that
 	// 365.24*86400 is an integer.
 	sec, nsec, err := Time();
 	if sec < (2009-1970)*36524*864 {