add help to create mardown version of the NEWS file

news2markdown.php

@@ -0,0 +1,36 @@
+#!/usr/bin/env php
+<?php
+if ($_SERVER['argc'] < 2) {
+	die("Usage {$_SERVER['argv'][0]} /path/to/NEWS\n");
+}
+
+$text = file_get_contents($_SERVER['argv'][1]);
+if (!$text) {
+	die("Can't read {$_SERVER['argv'][1]}\n");
+}
+
+$text = explode("\n", $text);
+$in=false;
+foreach ($text as $line) {
+	if (preg_match('/(^[0-9][0-9] ... 20[0-9][0-9]) PHP (.*)$/', $line, $reg)) {
+		if ($in) {
+			break;
+		}
+		printf("%s **PHP version %s**", $reg[1], $reg[2]);
+		$in = true;
+		continue;
+	} else if (!$in) {
+		continue;
+	}
+	$line = preg_replace('/(#[0-9])+/', 'php\1', $line);
+	if (empty($line)) {
+		echo "\n\n";
+	} else if (substr($line, 0, 2) == '- ') {
+		echo "**" . substr($line, 2) . "**\n";
+	} else if (substr($line, 0, 4) == '  . ') {
+		echo "\n* " . substr($line, 4);
+	} else {
+		echo " ".trim($line);
+	}
+}
+