Write title block in ConTeXt using \title.

This prevents a page number from appearing on the first page.

default.context

@@ -13,7 +13,7 @@ $endif$
   contrastcolor=$if(linkcolor)$$linkcolor$$else$black$endif$$if(title)$,
   title=$title$$endif$$if(subtitle)$,
   subtitle=$subtitle$$endif$$if(author)$,
-  author=$author$$endif$$if(keywords)$,
+  author=$for(author)$$author$$sep$; $endfor$$endif$$if(keywords)$,
   keyword=$keywords$$endif$]
 % make chapter, section bookmarks visible when opening document
 \placebookmarks[chapter, section, subsection, subsubsection, subsubsubsection, subsubsubsubsection][chapter, section]
@@ -87,32 +87,34 @@ $endif$
 
 \setupthinrules[width=15em] % width of horizontal rules
 
+\setuphead[title][
+  style={\tfd\raggedcenter},
+  before={\startalignment[middle]},
+  after={
+$if(subtitle)$
+    \smallskip
+    {\tfa $subtitle$}
+$endif$
+$if(author)$
+    \smallskip
+    {\tfa $for(author)$$author$$sep$\crlf $endfor$}
+$endif$
+$if(date)$
+    \smallskip
+    {\tfa $date$}
+$endif$
+    \bigskip\stopalignment}]
+
 $for(header-includes)$
 $header-includes$
 $endfor$
 
 \starttext
 $if(title)$
-\startalignment[center]
+\title{$title$}
-  \blank[2*big]
-  {\tfd $title$}
-$if(subtitle)$
-  \blank[3*medium]
-  {\tfa $subtitle$}
-$endif$
-$if(author)$
-  \blank[3*medium]
-  {\tfa $for(author)$$author$$sep$\crlf $endfor$}
-$endif$
-$if(date)$
-  \blank[2*medium]
-  {\tfa $date$}
-$endif$
-  \blank[3*medium]
-\stopalignment
 $endif$
 $if(abstract)$
-\midaligned{\bf Abstract}
+\midaligned{\it Abstract}
 \startnarrower[2*middle]
 $abstract$
 \stopnarrower