fn conf_enable_wman {
    wman_tmac=an
    wman_base_uri=$conf_wd
    wman_man_path=$*
    if(~ $#wman_man_path 0)
        wman_man_path=$wman_base_uri
    conf_enable_app wman
}

wman_junk_filter='/(\/(INDEX|\.cvsignore|_.*)|\.9p|\.html)$/d; s!/man([0-9]+/[^/]+)$!/\1!; '
fn wman_ls_pages {
    ls $* \
        | sed $dirfilter^$wman_junk_filter^' s/\.([0-9]|9p)$//; s!/0intro$!/intro!' \
        | sort -u
}
fn wman_init {
    ifs=$ifs^'/' { p=`{echo $req_path | sed 's!^'^$wman_base_uri^'!!'} }
    wman_cat=$p(1)
    wman_page=$p(2)
    if(~ $#wman_unix_mode 1) {
        wman_cp='man'
        wman_pe=.^$"wman_cat
    }

    if(! ~ $"wman_cat '') {
        wman_cat_path=$wman_man_path^/^$"wman_cp^$p(1)
        if(! ~ $"wman_page '') {
            wman_page_file=$wman_page^$"wman_pe
            # Hack to handle 0intro files.
            if(~ $wman_page intro && test -f $wman_cat_path^/0^$"wman_page_file)
                 wman_page_file=0^$"wman_page_file
            wman_page_file=$wman_cat_path^/^$"wman_page_file
            x=`{echo $"req_path|sed 's%.*/([^/]+)/'$"wman_cat'/'^$"wman_page^'%\1%; s%_% %g'}
            pageTitle=$wman_page' page from Section '$wman_cat' of the '^$"x' manual'
        }
    }

    wman_cat_list=`{ls -F $wman_man_path/*/  \
        | sed -e $wman_junk_filter -e 's!.*/([^/]+)/[^/]+$!\1!; /[0-9]+/!d' \
        | sort -un}

    synth_paths=($wman_base_uri$wman_cat_list'/')

    if(~ $req_path $wman_base_uri && ~ $"handler_body_main '')
       handler_body_main=(tpl_handler apps/wman/section_list.tpl)
    if not if(~ $req_path $wman_base_uri^*) {
        #^*/[a-z0-9]*[a-z]* $wman_base_uri^*/*[a-z]*[a-z0-9] $wman_base_uri^*/[a-z])
        if(echo $req_path | grep -s '^'^$wman_base_uri^'/*[0-9]+/[0-9a-z\-\+\.]+$')
           if(test -f $wman_page_file) # Check for 404
               handler_body_main=(tpl_handler apps/wman/man_page.tpl)
        if not if(~ $req_path $wman_base_uri^*/)
           handler_body_main=(tpl_handler apps/wman/page_list.tpl)
        if not if(~ $p(2) [A-Z]* [0-9][A-Z]*) # Correct badly capitalized links
            perm_redirect $wman_base_uri^$p(1)^/^`{echo $p(2) |tr 'A-Z' 'a-z'}
    }

    # Search
    ll_add handlers_body_head tpl_handler apps/wman/search.tpl
    if(! ~ $"post_arg_wman_search '') {
        s=`{echo $post_arg_wman_search | sed 's/[^a-zA-Z0-9\-\.]+//g; s/\.+/./g; 1q'}
        ifs='' { wman_search_results=`{wman_ls_pages $wman_man_path/*/*^$"s^*} }
        if(! ~ $"post_arg_go '' && ~ `{echo -n $wman_search_results|wc -l} 1)
            post_redirect $wman_base_uri^`{echo $wman_search_results|awk -F/ '{print $(NF-1)"/"$NF}'}
    }

}

fn wman_get_section_desc { 
    cat $wman_man_path/^$"wman_cp^$1/0intro* >[2]/dev/null| sed '1,2d; s!intro \\- [Ii]ntroduction to !!; 3q;' 
}

fn wman_page_gen {
    #troff -manhtml $1| troff2html -t 'Plan 9 from User Space'
    troff -N -m$wman_tmac $1 | wman_out_filter
}

fn wman_out_filter {
    wman_default_out_filter
}

fn wman_default_out_filter {
	# col -x syntax is the same for UNIX and Plan 9.
    escape_html \
    | sed 's!([\.\-a-zA-Z0-9]+)\(('^`{echo $wman_cat_list|tr ' ' '|'}^')\)!<a href="../\2/\1">&</a>!g' \
    | awk '/^$/ {if(n != 1) print; n=1; next} /./ {n=0; print}' \
    | col -x
}


