Cleanup section anchors to be more useful

By putting the anchor before the title, we get the desired effect
when jumping to it, which is to show the title at the top of the
browser window.

Signed-off-by: Shawn O. Pearce <sop@google.com>

Documentation/cmd-flush-caches.txt

@@ -95,7 +95,7 @@ SEE ALSO
 --------
 
 * link:cmd-show-caches.html[gerrit show-caches]
-* link:config-gerrit.html#section_cache[Cache Configuration]
+* link:config-gerrit.html#cache[Cache Configuration]
 * link:config-gerrit.html#cache_names[Standard Caches]
 
 GERRIT

Documentation/cmd-show-caches.txt

@@ -70,7 +70,7 @@ SEE ALSO
 --------
 
 * link:cmd-flush-caches.html[gerrit flush-caches]
-* link:config-gerrit.html#section_cache[Cache Configuration]
+* link:config-gerrit.html#cache[Cache Configuration]
 * link:config-gerrit.html#cache_names[Standard Caches]
 
 GERRIT

Documentation/config-gerrit.txt

@@ -24,8 +24,8 @@ Sample `gerrit.config`:
 	diskbuffer = 10 m
 ----
 
-Section auth
-~~~~~~~~~~~~
+[[auth]]Section auth
+~~~~~~~~~~~~~~~~~~~~
 
 See also link:config-sso.html[SSO configuration].
 
@@ -152,8 +152,8 @@ drops to 0, or close to 0:
 +
 By default, unset/false.
 
-Section cache[[section_cache]]
-~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+[[cache]]Section cache
+~~~~~~~~~~~~~~~~~~~~~~
 
 cache.directory::
 +
@@ -213,7 +213,7 @@ Default is 5 MiB.
 +
 Common unit suffixes of 'k', 'm', or 'g' are supported.
 
-Standard Caches[[cache_names]]
+[[cache_names]]Standard Caches
 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
 cache `"accounts"`::
@@ -315,8 +315,8 @@ this cache is approximately 248 bytes, depending on the JVM.
 
 See also link:cmd-flush-caches.html[gerrit flush-caches].
 
-Section contactstore
-~~~~~~~~~~~~~~~~~~~~
+[[contactstore]]Section contactstore
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 
 contactstore.url::
 +
@@ -330,8 +330,8 @@ contactstore.appsec::
 +
 Shared secret of the web based contact store.
 
-Section core
-~~~~~~~~~~~~
+[[core]]Section core
+~~~~~~~~~~~~~~~~~~~~
 
 core.packedGitWindowSize::
 +
@@ -399,8 +399,8 @@ unused mapped spaces fast enough.
 Default on JGit is false. Although potentially slower, it yields
 much more predictable behavior.
 
-Section gerrit
-~~~~~~~~~~~~~~
+[[gerrit]]Section gerrit
+~~~~~~~~~~~~~~~~~~~~~~~~
 
 gerrit.basePath::
 +
@@ -434,8 +434,8 @@ By default unset, as the git daemon must be configured externally
 by the system administrator, and might not even be running on the
 same host as Gerrit.
 
-Section gitweb[[section_gitweb]]
-~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+[[gitweb]]Section gitweb
+~~~~~~~~~~~~~~~~~~~~~~~~
 
 See also link:config-gitweb.html[Gitweb Integration].
 
@@ -449,8 +449,8 @@ Gerrit appends any necessary query arguments onto the end of this URL.
 For example, "?p=$project.git;h=$commit".
 
 
-Section ldap
-~~~~~~~~~~~~
+[[ldap]]Section ldap
+~~~~~~~~~~~~~~~~~~~~
 
 LDAP integration is only enabled if `auth.type` was set to
 `HTTP_LDAP`.  See above for a detailed description of the auth.type
@@ -559,8 +559,8 @@ Attributes such as `$\{dn\}` or `$\{uidNumber\}` may be useful.
 Default is `(memberUid=$\{username\})`, matching RFC 2307.
 
 
-Section mimetype
-~~~~~~~~~~~~~~~~
+[[mimetype]]Section mimetype
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 
 mimetype.<name>.safe::
 +
@@ -584,8 +584,8 @@ Common examples:
     safe = true
 ====
 
-Section repo
-~~~~~~~~~~~~
+[[repo]]Section repo
+~~~~~~~~~~~~~~~~~~~~
 
 repo.showDownloadCommand::
 +
@@ -595,8 +595,8 @@ instance are generally worked on with the repo multi-repository tool.
 +
 By default, false, as not all instances will deploy repo.
 
-Section sendemail
-~~~~~~~~~~~~~~~~~
+[[sendemail]]Section sendemail
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 
 sendemail.enable::
 +
@@ -636,8 +636,8 @@ email from Gerrit.
 +
 By default, unset, permitting delivery to any email address.
 
-Section sshd
-~~~~~~~~~~~~
+[[sshd]] Section sshd
+~~~~~~~~~~~~~~~~~~~~
 
 sshd.listenAddress::
 +
@@ -698,8 +698,8 @@ Supported MACs: hmac-md5, hmac-md5-96, hmac-sha1, hmac-sha1-96.
 +
 By default, all supported MACs are available.
 
-Section user
-~~~~~~~~~~~~
+[[user]] Section user
+~~~~~~~~~~~~~~~~~~~~
 
 name::
 +

Documentation/config-gitweb.txt

@@ -37,7 +37,7 @@ high-traffic sites like kernel.org or repo.or.cz.
 See Also
 --------
 
-* link:config-gerrit.html#section_gitweb[Section gitweb]
+* link:config-gerrit.html#gitweb[Section gitweb]
 
 GERRIT
 ------

Documentation/config-replication.txt

@@ -50,7 +50,7 @@ different hosts:
 To manually trigger replication at runtime, see
 link:cmd-replicate.html[gerrit replicate].
 
-File `replication.config`[[replication_config]]
+[[replication_config]]File `replication.config`
 -----------------------------------------------
 
 The optional file `'$site_path'/replication.config` is a Git-style
@@ -67,8 +67,8 @@ into different remote sections, so that replication to the slower
 connection does not starve out the faster local one.  The example
 file above does this.
 
-Section remote[[section_remote]]
-~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+[[remote]]Section remote
+~~~~~~~~~~~~~~~~~~~~~~~~
 
 In the keys below, the <name> portion is unused by Gerrit, but must be
 unique to distinguish the different sections if more than one remote
@@ -152,7 +152,7 @@ parallel pushing.
 By default, 1 thread.
 
 
-File `~/.ssh/config`[[ssh_config]]
+[[ssh_config]]File `~/.ssh/config`
 ----------------------------------
 
 If present, Gerrit reads and caches `~/.ssh/config` at startup, and