2 files changed, 72 insertions, 2 deletions
diff --git a/locale/Makefile b/locale/Makefile
index b703fb2..1517066 100644
--- a/locale/Makefile
+++ b/locale/Makefile
@@ -112,8 +112,7 @@ $(LANGS:%=$(MO_FILE_TEMPLATE)): $(MO_FILE_TEMPLATE): $(PO_FILE_TEMPLATE)
 $(LANGS:%=$(PO_FILE_TEMPLATE)):
 	mkdir -p $(@D)
 	wget --output-document - '$(@:$(PO_FILE_TEMPLATE)=$(PO_URL_TEMPLATE))' | \
-		# convert UTF-8 characters to HTML entities \
-		php -r 'while (!feof(STDIN)) echo mb_convert_encoding(fgets(STDIN), "HTML-ENTITIES", "UTF-8");' \
+		php -f escape_special_chars.php \
 		> $@
 
 
diff --git a/locale/escape_special_chars.php b/locale/escape_special_chars.php
new file mode 100644
index 0000000..32de390
--- /dev/null
+++ b/locale/escape_special_chars.php
@@ -0,0 +1,71 @@
+#!/usr/bin/php -q
+<?php
+/*
+LibreSSL - CAcert web application
+Copyright (C) 2004-2012  CAcert Inc.
+
+This program is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; version 2 of the License.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program; if not, write to the Free Software
+Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+*/
+
+/* Convert special characters in UTF-8 encoded PO files to HTML entities */
+
+define('MSGSTR', 'msgstr');
+define('MSGSTR_LEN', strlen(MSGSTR));
+define('MSGID', 'msgid');
+define('MSGID_LEN', strlen(MSGID));
+
+function is_msgstr($line) {
+	if (strlen($line) < MSGSTR_LEN) {
+		return false;
+	}
+	
+	return substr_compare($line, MSGSTR, 0, MSGSTR_LEN) === 0;
+}
+
+function is_msgid($line) {
+	if (strlen($line) < MSGID_LEN) {
+		return false;
+	}
+	
+	return substr_compare($line, MSGID, 0, MSGID_LEN) === 0;
+}
+
+// Skip the metadata (first msgid/msgstr pair)
+while (!feof(STDIN)) {
+	$line = fgets(STDIN);
+	
+	echo $line;
+	
+	if (is_msgstr($line)) {
+		break;
+	}
+}
+
+// determines if the current line belongs to a msgid or a msgstr
+$msgstr = false;
+
+while (!feof(STDIN)) {
+	$line = fgets(STDIN);
+	
+	if (is_msgstr($line)) {
+		$msgstr = true;
+	} elseif (is_msgid($line)) {
+		$msgstr = false;
+	}
+	
+	if ($msgstr) {
+		$line = htmlentities($line, ENT_NOQUOTES, "UTF-8");
+	}
+	echo $line;
+}