hgweb: add searchhint to templates/coal/map

coal style uses every template (except header.tmpl) directly from paper style,
but doesn't use paper/map file. Elements defined in such map files are used in
templates as you would expect. For example, paper/search.tmpl contains
'{searchhint}' and template engine replaces that with the actual hint. But when
coal style reuses paper/search.tmpl, it needs to define searchhint in its map
file as well, or template engine will not find it. So let's copy it from
paper/map to coal/map.

Before this change, if the coal style was selected, the hint for the search
field in page header was present, but it was completely empty. Although the
absence of searchhint in coal/map produced no error.

mercurial/templates/coal/map

@@ -1,239 +1,242 b''
 default = 'shortlog'
 
 mimetype = 'text/html; charset={encoding}'
 header = header.tmpl
 footer = ../paper/footer.tmpl
 search = ../paper/search.tmpl
 
 changelog = ../paper/shortlog.tmpl
 shortlog = ../paper/shortlog.tmpl
 shortlogentry = ../paper/shortlogentry.tmpl
 graph = ../paper/graph.tmpl
 
 help = ../paper/help.tmpl
 helptopics = ../paper/helptopics.tmpl
 
 helpentry = '
   <tr><td>
     <a href="{url|urlescape}help/{topic|escape}{sessionvars%urlparameter}">
       {topic|escape}
     </a>
   </td><td>
     {summary|escape}
   </td></tr>'
 
 naventry = '<a href="{url|urlescape}log/{node|short}{sessionvars%urlparameter}">{label|escape}</a> '
 navshortentry = '<a href="{url|urlescape}shortlog/{node|short}{sessionvars%urlparameter}">{label|escape}</a> '
 navgraphentry = '<a href="{url|urlescape}graph/{node|short}{sessionvars%urlparameter}">{label|escape}</a> '
 filenaventry = '<a href="{url|urlescape}log/{node|short}/{file|urlescape}{sessionvars%urlparameter}">{label|escape}</a> '
 filedifflink = '<a href="{url|urlescape}diff/{node|short}/{file|urlescape}{sessionvars%urlparameter}">{file|escape}</a> '
 filenodelink = '<a href="{url|urlescape}file/{node|short}/{file|urlescape}{sessionvars%urlparameter}">{file|escape}</a> '
 filenolink = '{file|escape} '
 fileellipses = '...'
 diffstatlink = ../paper/diffstat.tmpl
 diffstatnolink = ../paper/diffstat.tmpl
 changelogentry = ../paper/shortlogentry.tmpl
 searchentry = ../paper/shortlogentry.tmpl
 changeset = ../paper/changeset.tmpl
 manifest = ../paper/manifest.tmpl
 
 nav = '{before%naventry} {after%naventry}'
 navshort = '{before%navshortentry}{after%navshortentry}'
 navgraph = '{before%navgraphentry}{after%navgraphentry}'
 filenav = '{before%filenaventry}{after%filenaventry}'
 
 direntry = '
   <tr class="fileline parity{parity}">
     <td class="name">
       <a href="{url|urlescape}file/{node|short}{path|urlescape}{sessionvars%urlparameter}">
         <img src="{staticurl|urlescape}coal-folder.png" alt="dir."/> {basename|escape}/
       </a>
       <a href="{url|urlescape}file/{node|short}{path|urlescape}/{emptydirs|urlescape}{sessionvars%urlparameter}">
         {emptydirs|escape}
       </a>
     </td>
     <td class="size"></td>
     <td class="permissions">drwxr-xr-x</td>
   </tr>'
 
 fileentry = '
   <tr class="fileline parity{parity}">
     <td class="filename">
       <a href="{url|urlescape}file/{node|short}/{file|urlescape}{sessionvars%urlparameter}">
         <img src="{staticurl|urlescape}coal-file.png" alt="file"/> {basename|escape}
       </a>
     </td>
     <td class="size">{size}</td>
     <td class="permissions">{permissions|permissions}</td>
   </tr>'
 
 filerevision = ../paper/filerevision.tmpl
 fileannotate = ../paper/fileannotate.tmpl
 filediff = ../paper/filediff.tmpl
 filecomparison = ../paper/filecomparison.tmpl
 filelog = ../paper/filelog.tmpl
 fileline = '
   <div class="parity{parity} source"><a href="#{lineid}" id="{lineid}">{linenumber}</a> {line|escape}</div>'
 filelogentry = ../paper/filelogentry.tmpl
 
 annotateline = '
   <tr class="parity{parity}">
     <td class="annotate">
       <a href="{url|urlescape}annotate/{node|short}/{file|urlescape}{sessionvars%urlparameter}#{targetline}"
          title="{node|short}: {desc|escape|firstline}">{author|user}@{rev}</a>
     </td>
     <td class="source"><a href="#{lineid}" id="{lineid}">{linenumber}</a> {line|escape}</td>
   </tr>'
 
 diffblock = '<div class="source bottomline parity{parity}"><pre>{lines}</pre></div>'
 difflineplus = '<a href="#{lineid}" id="{lineid}">{linenumber}</a> <span class="plusline">{line|escape}</span>'
 difflineminus = '<a href="#{lineid}" id="{lineid}">{linenumber}</a> <span class="minusline">{line|escape}</span>'
 difflineat = '<a href="#{lineid}" id="{lineid}">{linenumber}</a> <span class="atline">{line|escape}</span>'
 diffline = '<a href="#{lineid}" id="{lineid}">{linenumber}</a> {line|escape}'
 
 comparisonblock ='
   <tbody class="block">
   {lines}
   </tbody>'
 comparisonline = '
   <tr>
     <td class="source {type}"><a href="#{lineid}" id="{lineid}">{leftlinenumber}</a> {leftline|escape}</td>
     <td class="source {type}"><a href="#{lineid}" id="{lineid}">{rightlinenumber}</a> {rightline|escape}</td>
   </tr>'
 
 changelogparent = '
   <tr>
     <th class="parent">parent {rev}:</th>
     <td class="parent"><a href="{url|urlescape}rev/{node|short}{sessionvars%urlparameter}">{node|short}</a></td>
   </tr>'
 
 changesetparent = '<a href="{url|urlescape}rev/{node|short}{sessionvars%urlparameter}">{node|short}</a> '
 
 changesetparentdiff = '
   {changesetparent}
   {ifeq(node, basenode, '(current diff)', '({difffrom})')}'
 
 difffrom = '<a href="{url|urlescape}rev/{node|short}:{originalnode|short}{sessionvars%urlparameter}">diff</a>'
 
 filerevparent = '<a href="{url|urlescape}file/{node|short}/{file|urlescape}{sessionvars%urlparameter}">{rename%filerename}{node|short}</a> '
 filerevchild = '<a href="{url|urlescape}file/{node|short}/{file|urlescape}{sessionvars%urlparameter}">{node|short}</a> '
 
 filerename = '{file|escape}@'
 filelogrename = '
   <span class="base">
     base
     <a href="{url|urlescape}file/{node|short}/{file|urlescape}{sessionvars%urlparameter}">
       {file|escape}@{node|short}
     </a>
   </span>'
 fileannotateparent = '
   <tr>
     <td class="metatag">parent:</td>
     <td>
       <a href="{url|urlescape}annotate/{node|short}/{file|urlescape}{sessionvars%urlparameter}">
         {rename%filerename}{node|short}
       </a>
     </td>
   </tr>'
 changesetchild = ' <a href="{url|urlescape}rev/{node|short}{sessionvars%urlparameter}">{node|short}</a>'
 changelogchild = '
   <tr>
     <th class="child">child</th>
     <td class="child">
       <a href="{url|urlescape}rev/{node|short}{sessionvars%urlparameter}">
         {node|short}
       </a>
     </td>
   </tr>'
 fileannotatechild = '
   <tr>
     <td class="metatag">child:</td>
     <td>
       <a href="{url|urlescape}annotate/{node|short}/{file|urlescape}{sessionvars%urlparameter}">
         {node|short}
       </a>
     </td>
   </tr>'
 tags = ../paper/tags.tmpl
 tagentry = '
   <tr class="tagEntry parity{parity}">
     <td>
       <a href="{url|urlescape}rev/{node|short}{sessionvars%urlparameter}">
         {tag|escape}
       </a>
     </td>
     <td class="node">
       {node|short}
     </td>
   </tr>'
 bookmarks = ../paper/bookmarks.tmpl
 bookmarkentry = '
   <tr class="tagEntry parity{parity}">
     <td>
       <a href="{url|urlescape}rev/{node|short}{sessionvars%urlparameter}">
         {bookmark|escape}
       </a>
     </td>
     <td class="node">
       {node|short}
     </td>
   </tr>'
 branches = ../paper/branches.tmpl
 branchentry = '
   <tr class="tagEntry parity{parity}">
     <td>
       <a href="{url|urlescape}shortlog/{node|short}{sessionvars%urlparameter}" class="{status}">
         {branch|escape}
       </a>
     </td>
     <td class="node">
       {node|short}
     </td>
   </tr>'
 changelogtag = '<span class="tag">{name|escape}</span> '
 changesettag = '<span class="tag">{tag|escape}</span> '
 changesetbookmark = '<span class="tag">{bookmark|escape}</span> '
 changelogbranchhead = '<span class="branchhead">{name|escape}</span> '
 changelogbranchname = '<span class="branchname">{name|escape}</span> '
 
 filediffparent = '
   <tr>
     <th class="parent">parent {rev}:</th>
     <td class="parent"><a href="{url|urlescape}rev/{node|short}{sessionvars%urlparameter}">{node|short}</a></td>
   </tr>'
 filelogparent = '
   <tr>
     <th>parent {rev}:</th>
     <td><a href="{url|urlescape}file/{node|short}/{file|urlescape}{sessionvars%urlparameter}">{node|short}</a></td>
   </tr>'
 filediffchild = '
   <tr>
     <th class="child">child {rev}:</th>
     <td class="child"><a href="{url|urlescape}rev/{node|short}{sessionvars%urlparameter}">{node|short}</a>
   </td>
   </tr>'
 filelogchild = '
   <tr>
     <th>child {rev}:</th>
     <td><a href="{url|urlescape}file/{node|short}/{file|urlescape}{sessionvars%urlparameter}">{node|short}</a></td>
   </tr>'
 
 indexentry = '
   <tr class="parity{parity}">
     <td><a href="{url|urlescape}{sessionvars%urlparameter}">{name|escape}</a></td>
     <td>{description}</td>
     <td>{contact|obfuscate}</td>
     <td class="age">{lastchange|rfc822date}</td>
     <td class="indexlinks">{archives%indexarchiveentry}</td>
   </tr>\n'
 indexarchiveentry = '<a href="{url|urlescape}archive/{node|short}{extension|urlescape}">&nbsp;&darr;{type|escape}</a>'
 index = ../paper/index.tmpl
 archiveentry = '
   <li>
     <a href="{url|urlescape}archive/{node|short}{extension|urlescape}{ifeq(path,'/','',path|urlescape)}">{type|escape}</a>
   </li>'
 notfound = ../paper/notfound.tmpl
 error = ../paper/error.tmpl
 urlparameter = '{separator}{name}={value|urlescape}'
 hiddenformentry = '<input type="hidden" name="{name}" value="{value|escape}" />'
 breadcrumb = '&gt; <a href="{url|urlescape}">{name|escape}</a> '
+
+searchhint = 'Find changesets by keywords (author, files, the commit message), revision
+  number or hash, or <a href="{url|urlescape}help/revsets">revset expression</a>.'