code review 3699041: godoc: support for regular expression full text search

src/cmd/godoc/doc.go

 // Copyright 2009 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.
 
 /*
 
 Godoc extracts and generates documentation for Go programs.
 
 It has two modes.
 
@@ skipping 30 matching lines @@
                 arguments are considered search queries: a legal query is a
                 single identifier (such as ToLower) or a qualified identifier
                 (such as math.Sin).
         -src
                 print (exported) source in command-line mode
         -tabwidth=4
                 width of tabs in units of spaces
         -timestamps=true
                 show timestamps with directory listings
         -fulltext=false
-                build full text index for search queries
-        -regexp=false
-                interpret queries as regular expressions for full text search
+                build full text index for regular expression queries
         -path=""
                 additional package directories (colon-separated)
         -html
                 print HTML in command-line mode
         -goroot=$GOROOT
                 Go root directory
         -http=addr
                 HTTP service address (e.g., '127.0.0.1:6060' or just ':6060')
         -server=addr
                 webserver address for command line searches
@@ skipping 36 matching lines @@
 
 If the sync exit status is 1, godoc assumes that it succeeded without errors
 but that no files changed; the index is not updated in this case.
 
 In all other cases, sync is assumed to have failed and godoc backs off running
 sync exponentially (up to 1 day). As soon as sync succeeds again (exit status 0
 or 1), the normal sync rhythm is re-established.
 
 */
 package documentation