Lua functionality change: print renamed to mg.write, read renamed to mg.read. Expanded user manual, fixed example pages.

examples/lua/prime_numbers.lp

@@ -1,8 +1,5 @@
-<?
-  -- Lua server pages have full control over the output, including HTTP
-  -- headers they send to the client. Send HTTP headers:
-  print('HTTP/1.0 200 OK\r\nContent-Type: text/html\r\n\r\n')
-?>
+HTTP/1.0 200 OK
+Content-Type: text/html
 
 <html>
   <p>Prime numbers from 0 to 100, calculated by Lua:</p>
@@ -18,7 +15,7 @@
     end
 
     for i = 1, 100 do
-      if is_prime(i) then print('<span>' .. i .. '</span>&nbsp;') end
+      if is_prime(i) then mg.write('<span>' .. i .. '</span>&nbsp;') end
     end
 
  ?>
@@ -27,15 +24,16 @@
  <form method="POST" ><input type="text" name="t1"/><input type="submit"></form>
 
  <pre>
-   POST data: [<?  print(read())?>]
-   request method: [<? print(request_info.request_method) ?>]
-   IP/port: [<? print(request_info.remote_ip, ':', request_info.remote_port) ?>]
-   URI: [<? print(request_info.uri) ?>]
-   HTTP version [<? print(request_info.http_version) ?>]
+   POST data: [<?  mg.write(mg.read())?>]
+   request method: [<? mg.write(mg.request_info.request_method) ?>]
+   IP/port: [<? mg.write(mg.request_info.remote_ip, ':',
+                         mg.request_info.remote_port) ?>]
+   URI: [<? mg.write(mg.request_info.uri) ?>]
+   HTTP version [<? mg.write(mg.request_info.http_version) ?>]
    HEADERS:
    <?
-     for name, value in pairs(request_info.http_headers) do
-       print(name, ':', value, '\n')
+     for name, value in pairs(mg.request_info.http_headers) do
+       mg.write(name, ':', value, '\n')
      end
    ?>
 </pre>