It would appear these are not going to be made available in text form, which I find very handy for updating multiple sites with custom themes. I will not be doing this for Prosilver, as I have no need. Tab characters will be lost in the posting, so you will have to fix these before you can use.

##############################################################
## Title: phpBB 3.0.12 to phpBB 3.0.13 subsilver2 Changes
## Description:
##       
##       
##        These are the phpBB 3.0.12 to phpBB 3.0.13 subsilver2 Changes summed up into a
##        little Mod. These changes are only partial and do not include any code changes,
##        therefore not meant for updating phpBB.
##       
##           
##       
##
## Files To Edit:
##        styles/subsilver2/imageset/imageset.cfg
##        styles/subsilver2/style.cfg
##        styles/subsilver2/template/editor.js
##        styles/subsilver2/template/mcp_post.html
##        styles/subsilver2/template/memberlist_view.html
##        styles/subsilver2/template/overall_header.html
##        styles/subsilver2/template/posting_smilies.html
##        styles/subsilver2/template/template.cfg
##        styles/subsilver2/template/ucp_header.html
##        styles/subsilver2/template/ucp_pm_history.html
##        styles/subsilver2/template/ucp_pm_viewmessage_print.html
##        styles/subsilver2/template/ucp_profile_reg_details.html
##        styles/subsilver2/template/ucp_profile_signature.html
##        styles/subsilver2/template/viewtopic_print.html
##        styles/subsilver2/theme/stylesheet.css
##        styles/subsilver2/theme/theme.cfg
##
##############################################################

#
#-----[ OPEN ]---------------------------------------------
#
styles/subsilver2/imageset/imageset.cfg

#
#-----[ FIND ]---------------------------------------------
# Around Line 19
#

# General Information about this style
name = subsilver2
copyright = © phpBB Group, 2003

#
#-----[ FIND ]---------------------------------------------
# Around Line 22
version = 3.0.12

#
#-----[ REPLACE WITH ]---------------------------------------------
#
version = 3.0.13

#
#-----[ OPEN ]---------------------------------------------
#
styles/subsilver2/style.cfg

#
#-----[ FIND ]---------------------------------------------
# Around Line 18
#

# General Information about this style
name = subsilver2
copyright = © 2005 phpBB Group
version = 3.0.12

#
#-----[ REPLACE WITH ]---------------------------------------------
#

# General Information about this style
name = subsilver2
copyright = © 2005 phpBB Group
version = 3.0.13
#
#-----[ OPEN ]---------------------------------------------
#
styles/subsilver2/template/editor.js

#
#-----[ FIND ]---------------------------------------------
# Around Line 351
#
*/
function storeCaret(textEl)
{
    if (textEl.createTextRange)
    {
        textEl.caretPos = document.selection.createRange().duplicate();
    }

#
#-----[ REPLACE WITH ]---------------------------------------------
#
*/
function storeCaret(textEl)
{
    if (textEl.createTextRange && document.selection)
    {
        textEl.caretPos = document.selection.createRange().duplicate();
    }

#
#-----[ OPEN ]---------------------------------------------
#
styles/subsilver2/template/mcp_post.html

#
#-----[ FIND ]---------------------------------------------
# Around Line 28
#
        </tr>
    <!-- ENDIF -->
    <tr>
        <td class="cat" align="center" colspan="2"><!-- IF S_POST_REPORTED --><input class="btnmain" type="submit" value="{L_CLOSE_REPORT}" name="action[close]" /><!-- ELSE -->{L_REPORT_CLOSED}<!-- ENDIF --> &nbsp; <input class="btnlite" type="submit" value="{L_DELETE_REPORT}" name="action[delete]" /></td>
    </tr>
    </table>

#
#-----[ REPLACE WITH ]---------------------------------------------
#
        </tr>
    <!-- ENDIF -->
    <tr>
        <td class="cat" align="center" colspan="2"><!-- IF not S_REPORT_CLOSED --><input class="btnmain" type="submit" value="{L_CLOSE_REPORT}" name="action[close]" /><!-- ELSE -->{L_REPORT_CLOSED}<!-- ENDIF --> &nbsp; <input class="btnlite" type="submit" value="{L_DELETE_REPORT}" name="action[delete]" /></td>
    </tr>
    </table>

#
#-----[ OPEN ]---------------------------------------------
#
styles/subsilver2/template/memberlist_view.html

#
#-----[ FIND ]---------------------------------------------
# Around Line 18
#
            <table cellspacing="1" cellpadding="2" border="0">
            <!-- IF S_USER_INACTIVE -->
            <tr>
                <td align="center" style="color: red;"><b class="gen">{L_USER_IS_INACTIVE}</b><br />{L_INACTIVE_REASON}: {USER_INACTIVE_REASON}<br /><br /></td>
            </tr>
            <!-- ENDIF -->
            <tr>

#
#-----[ REPLACE WITH ]---------------------------------------------
#
            <table cellspacing="1" cellpadding="2" border="0">
            <!-- IF S_USER_INACTIVE -->
            <tr>
                <td align="center"><b class="gen inactive">{L_USER_IS_INACTIVE}</b><br />{L_INACTIVE_REASON}: {USER_INACTIVE_REASON}<br /><br /></td>
            </tr>
            <!-- ENDIF -->
            <tr>

#
#-----[ OPEN ]---------------------------------------------
#
styles/subsilver2/template/overall_header.html

#
#-----[ FIND ]---------------------------------------------
# Around Line 160
#
            <td class="genmed">
                <!-- IF not S_IS_BOT --><a href="{U_LOGIN_LOGOUT}"><img src="{T_THEME_PATH}/images/icon_mini_login.gif" width="12" height="13" alt="*" /> {L_LOGIN_LOGOUT}</a>&nbsp;<!-- ENDIF -->
                <!-- IF U_RESTORE_PERMISSIONS --> &nbsp;<a href="{U_RESTORE_PERMISSIONS}"><img src="{T_THEME_PATH}/images/icon_mini_login.gif" width="12" height="13" alt="*" /> {L_RESTORE_PERMISSIONS}</a><!-- ENDIF -->
                <!-- IF S_BOARD_DISABLED and S_USER_LOGGED_IN --> &nbsp;<span style="color: red;">{L_BOARD_DISABLED}</span><!-- ENDIF -->
                <!-- IF not S_IS_BOT -->
                    <!-- IF S_USER_LOGGED_IN -->
                        <!-- IF S_DISPLAY_PM --> &nbsp;<a href="{U_PRIVATEMSGS}"><img src="{T_THEME_PATH}/images/icon_mini_message.gif" width="12" height="13" alt="*" /> {PRIVATE_MESSAGE_INFO}<!-- IF PRIVATE_MESSAGE_INFO_UNREAD -->, {PRIVATE_MESSAGE_INFO_UNREAD}<!-- ENDIF --></a><!-- ENDIF -->

#
#-----[ FIND ]---------------------------------------------
# Around Line 163
                <!-- IF S_BOARD_DISABLED and S_USER_LOGGED_IN --> &nbsp;<span style="color: red;">{L_BOARD_DISABLED}</span><!-- ENDIF -->

#
#-----[ REPLACE WITH ]---------------------------------------------
#
                <!-- IF S_BOARD_DISABLED and S_USER_LOGGED_IN --> &nbsp;<span class="error">{L_BOARD_DISABLED}</span><!-- ENDIF -->

#
#-----[ OPEN ]---------------------------------------------
#
styles/subsilver2/template/posting_smilies.html

#
#-----[ FIND ]---------------------------------------------
# Around Line 2
#
<script type="text/javascript">
// <![CDATA[
    var form_name = 'postform';
    var text_name = 'message';
// ]]>
</script>
<script type="text/javascript" src="{T_SUPER_TEMPLATE_PATH}/editor.js"></script>

#
#-----[ FIND ]---------------------------------------------
# Around Line 4
#
    var form_name = 'postform';
    var text_name = 'message';

#
#-----[ REPLACE WITH ]---------------------------------------------
#
    var form_name = opener.form_name;
    var text_name = opener.text_name;

#
#-----[ OPEN ]---------------------------------------------
#
styles/subsilver2/template/template.cfg

#
#-----[ FIND ]---------------------------------------------
# Around Line 19
#

# General Information about this template
name = subsilver2
copyright = &copy; phpBB Group, 2003

#
#-----[ FIND ]---------------------------------------------
# Around Line 25
version = 3.0.12

#
#-----[ REPLACE WITH ]---------------------------------------------
#
version = 3.0.13

#-----[ OPEN ]---------------------------------------------
#
styles/subsilver2/template/ucp_header.html

#
#-----[ FIND ]---------------------------------------------
# Around Line 123
#
    <tr>
        <td class="row1" align="center">
       
            <b class="genmed" style="color:green">{L_FRIENDS_ONLINE}</b>

            <ul class="nav" style="margin: 0; padding: 0; list-style-type: none; line-height: 175%;">
            <!-- BEGIN friends_online -->

#
#-----[ FIND ]---------------------------------------------
# Around Line 126
#
            <b class="genmed" style="color:green">{L_FRIENDS_ONLINE}</b>

#
#-----[ REPLACE WITH ]---------------------------------------------
#
            <b class="genmed online">{L_FRIENDS_ONLINE}</b>

#
#-----[ FIND ]---------------------------------------------
# Around Line 139
#
            <hr />

            <b class="genmed" style="color:red">{L_FRIENDS_OFFLINE}</b>

            <ul class="nav" style="margin: 0; padding: 0; list-style-type: none; line-height: 175%;">
            <!-- BEGIN friends_offline -->
#
#-----[ FIND ]---------------------------------------------
# Around Line 141
#
            <b class="genmed" style="color:red">{L_FRIENDS_OFFLINE}</b>

#
#-----[ REPLACE WITH ]---------------------------------------------
#
            <b class="genmed offline">{L_FRIENDS_OFFLINE}</b>

#
#-----[ OPEN ]---------------------------------------------
#
styles/subsilver2/template/ucp_pm_history.html

#
#-----[ FIND ]---------------------------------------------
# Around Line 25
#
                </tr>
                </table>
            </td>
            <td width="100%"<!-- IF history_row.S_CURRENT_MSG --> style="background-color:lightblue"<!-- ENDIF -->>
                <div class="gensmall" style="float: {S_CONTENT_FLOW_BEGIN};"><b>{L_PM_SUBJECT}:</b>&nbsp;{history_row.SUBJECT}</div><div class="gensmall" style="float: {S_CONTENT_FLOW_END};"><b>{L_FOLDER}:</b>&nbsp;{history_row.FOLDER}</div>
            </td>
        </tr>

#
#-----[ FIND ]---------------------------------------------
# Around Line 28
#
            <td width="100%"<!-- IF history_row.S_CURRENT_MSG --> style="background-color:lightblue"<!-- ENDIF -->>

#
#-----[ REPLACE WITH ]---------------------------------------------
#
            <td width="100%"<!-- IF history_row.S_CURRENT_MSG --> class="current"<!-- ENDIF -->>

#
#-----[ OPEN ]---------------------------------------------
#
styles/subsilver2/template/ucp_pm_viewmessage_print.html

#
#-----[ FIND ]---------------------------------------------
# Around Line 4
#
<meta http-equiv="Content-Type" content="text/html; charset={S_CONTENT_ENCODING}">
<meta http-equiv="Content-Style-Type" content="text/css">
<meta http-equiv="Content-Language" content="{S_USER_LANG}">
<title>{SITENAME} :: {PAGE_TITLE}</title>

<style type="text/css">

#
#-----[ FIND ]---------------------------------------------
# Around Line 7
#
<meta http-equiv="Content-Language" content="{S_USER_LANG}">

#
#-----[ AFTER, ADD ]---------------------------------------------
#
<meta name="robots" content="noindex" />

#
#-----[ OPEN ]---------------------------------------------
#
styles/subsilver2/template/ucp_profile_reg_details.html

#
#-----[ FIND ]---------------------------------------------
# Around Line 6
#
</tr>
<!-- IF S_FORCE_PASSWORD -->
    <tr>
        <td class="row3" colspan="2" align="center"><span class="gensmall">{L_FORCE_PASSWORD_EXPLAIN}</span></td>
    </tr>
<!-- ENDIF -->
<!-- IF ERROR -->

#
#-----[ FIND ]---------------------------------------------
# Around Line 9
#
        <td class="row3" colspan="2" align="center"><span class="gensmall">{L_FORCE_PASSWORD_EXPLAIN}</span></td>

#
#-----[ REPLACE WITH ]---------------------------------------------
#
        <td class="row3" colspan="2" align="center"><span class="gensmall error">{L_FORCE_PASSWORD_EXPLAIN}</span></td>

#
#-----[ OPEN ]---------------------------------------------
#
styles/subsilver2/template/ucp_profile_signature.html

#
#-----[ FIND ]---------------------------------------------
# Around Line 1
#
<!-- INCLUDE ucp_header.html -->

<!-- DEFINE $S_SIGNATURE = 1 -->
<table class="tablebg" width="100%" cellspacing="1">
<tr>
    <th colspan="2">{L_TITLE}</th>
</tr>
<tr>
    <td colspan="2" class="row1">{L_SIGNATURE_EXPLAIN}</td>
</tr>

<!-- IF ERROR -->
    <tr>

#
#-----[ FIND ]---------------------------------------------
# Around Line 1
#
<!-- INCLUDE ucp_header.html -->

#
#-----[ AFTER, ADD ]---------------------------------------------
#
<script type="text/javascript">
// <![CDATA[
    var form_name = 'ucp';
    var text_name = 'signature';
// ]]>
</script>

#
#-----[ FIND ]---------------------------------------------
# Around Line 3
#
<!-- DEFINE $S_SIGNATURE = 1 -->
<table class="tablebg" width="100%" cellspacing="1">
<tr>
    <th colspan="2">{L_TITLE}</th>
</tr>

#
#-----[ AFTER, ADD ]---------------------------------------------
#
<!-- IF not S_SMILIES_ALLOWED -->


#
#-----[ FIND ]---------------------------------------------
# Around Line 10
#
<tr>
    <td colspan="2" class="row1">{L_SIGNATURE_EXPLAIN}</td>
</tr>

#
#-----[ AFTER, ADD ]---------------------------------------------
#
<!-- ENDIF -->

#
#-----[ FIND ]---------------------------------------------
# Around Line 16
#
<!-- ENDIF -->

<tr>
    <td colspan="2" class="row2">
        <script type="text/javascript">
        // <![CDATA[
            var form_name = 'ucp';
            var text_name = 'signature';
        // ]]>
        </script>
       
        <table cellspacing="0" cellpadding="2" border="0" width="99%">
        <!-- INCLUDE posting_buttons.html -->

#
#-----[ REPLACE WITH ]---------------------------------------------
#
<!-- ENDIF -->

<tr>
    <!-- IF S_SMILIES_ALLOWED -->
    <td class="row1" width="22%" valign="top">
        {L_SIGNATURE_EXPLAIN}
        <table width="100%" cellspacing="5" cellpadding="0" border="0" align="center">
            <tr>
                <td class="gensmall" align="center"><b>{L_SMILIES}</b></td>
            </tr>
            <tr>
                <td align="center">
                <!-- BEGIN smiley -->
                    <a href="#" onclick="insert_text('{smiley.A_SMILEY_CODE}', true); return false;" style="line-height: 20px;"><img src="{smiley.SMILEY_IMG}" width="{smiley.SMILEY_WIDTH}" height="{smiley.SMILEY_HEIGHT}" alt="{smiley.SMILEY_CODE}" title="{smiley.SMILEY_DESC}" hspace="2" vspace="2" /></a>
                <!-- END smiley -->
                </td>
            </tr>
            <!-- IF S_SHOW_SMILEY_LINK -->
            <tr>
                <td align="center"><a class="nav" href="{U_MORE_SMILIES}" onclick="popup(this.href, 300, 350, '_phpbbsmilies'); return false;">{L_MORE_SMILIES}</a></td>
            </tr>
            <!-- ENDIF -->
        </table>
    </td>
    <td class="row2">
    <!-- ELSE -->
    <td class="row2" colspan="2">
    <!-- ENDIF -->

        <table cellspacing="0" cellpadding="2" border="0" width="99%">
        <!-- INCLUDE posting_buttons.html -->

#
#-----[ OPEN ]---------------------------------------------
#
styles/subsilver2/template/viewtopic_print.html

#
#-----[ FIND ]---------------------------------------------
# Around Line 4,9
#
<meta http-equiv="Content-Type" content="text/html; charset={S_CONTENT_ENCODING}">
<meta http-equiv="Content-Style-Type" content="text/css">
<meta http-equiv="Content-Language" content="{S_USER_LANG}">
<title>{SITENAME} :: {PAGE_TITLE}</title>

<style type="text/css">

#
#-----[ FIND ]---------------------------------------------
# Around Line 6
#
<meta http-equiv="Content-Language" content="{S_USER_LANG}">

#
#-----[ AFTER, ADD ]---------------------------------------------
#
<meta name="robots" content="noindex" />

#
#-----[ OPEN ]---------------------------------------------
#
styles/subsilver2/theme/stylesheet.css

#
#-----[ FIND ]---------------------------------------------
# Around Line 295
#
.error {
    color: red;
}

#
#-----[ REPLACE WITH ]---------------------------------------------
#
.online {
    color: green;
}

.offline, .error, .inactive {
    color: red;
}

#
#-----[ FIND ]---------------------------------------------
# Around Line 360
#
.spacer {
    background-color: #D1D7DC;
}

#
#-----[ AFTER, ADD ]---------------------------------------------
#

.current {
    background-color: lightblue;
}

#
#-----[ FIND ]---------------------------------------------
# Around Line 538
#
/* BBCode
 ------------ */

#
#-----[ BEFORE, ADD ]---------------------------------------------
#
input:focus, select:focus, textarea:focus {
    outline-style: none;
}


#
#-----[ OPEN ]---------------------------------------------
#
styles/subsilver2/theme/theme.cfg

#
#-----[ FIND ]---------------------------------------------
# Around Line 21
#

# General Information about this theme
name = subsilver2
copyright = &copy; phpBB Group, 2003

#
#-----[ FIND ]---------------------------------------------
# Around Line 27
#
version = 3.0.12

#
#-----[ REPLACE WITH ]---------------------------------------------
#
version = 3.0.13

#
#-----[ SAVE/CLOSE ALL FILES ]------------------------------------------
#
# EoM