205 lines
3.5 KiB
HTML
205 lines
3.5 KiB
HTML
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<HTML
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><HEAD
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><TITLE
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>Hearing Impaired</TITLE
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><META
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NAME="GENERATOR"
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CONTENT="Modular DocBook HTML Stylesheet Version 1.76b+
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"><LINK
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REL="HOME"
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TITLE="Linux Accessibility HOWTO"
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HREF="index.html"><LINK
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REL="PREVIOUS"
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TITLE="Visual Impairments"
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HREF="visual.html"><LINK
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REL="NEXT"
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TITLE="Physically Disabled"
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HREF="physical.html"></HEAD
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><BODY
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CLASS="sect1"
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BGCOLOR="#FFFFFF"
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TEXT="#000000"
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LINK="#0000FF"
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VLINK="#840084"
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ALINK="#0000FF"
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><DIV
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CLASS="NAVHEADER"
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><TABLE
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SUMMARY="Header navigation table"
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WIDTH="100%"
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BORDER="0"
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CELLPADDING="0"
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CELLSPACING="0"
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><TR
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><TH
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COLSPAN="3"
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ALIGN="center"
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>Linux Accessibility HOWTO</TH
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></TR
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><TR
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><TD
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WIDTH="10%"
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ALIGN="left"
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VALIGN="bottom"
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><A
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HREF="visual.html"
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ACCESSKEY="P"
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>Prev</A
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></TD
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><TD
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WIDTH="80%"
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ALIGN="center"
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VALIGN="bottom"
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></TD
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><TD
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WIDTH="10%"
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ALIGN="right"
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VALIGN="bottom"
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><A
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HREF="physical.html"
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ACCESSKEY="N"
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>Next</A
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></TD
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></TR
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></TABLE
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><HR
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ALIGN="LEFT"
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WIDTH="100%"></DIV
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><DIV
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CLASS="sect1"
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><H1
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CLASS="sect1"
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><A
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NAME="hearing">4. Hearing Impaired</H1
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><P
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>For users who have hearing impairments the audio output must be conveyed visually on the screen. Most desktops provide
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visual audio alerts and warnings. In console mode the system can also be configured to provide visual bells. There is a
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"Visual Bells mini-HOWTO" written by Alessandro Rubini that provides the configuration details available at:
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<A
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HREF="http://www.ibiblio.org/pub/Linux/docs/HOWTO/mini/"
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TARGET="_top"
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>http://www.ibiblio.org/pub/Linux/docs/HOWTO/mini/</A
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>. </P
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><DIV
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CLASS="sect2"
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><H2
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CLASS="sect2"
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><A
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NAME="AEN315">4.1. Assistive Technologies for the Hearing Impaired</H2
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><P
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>The following is a list of assistive technologies for the hearing impaired:</P
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><DIV
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CLASS="sect3"
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><H3
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CLASS="sect3"
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><A
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NAME="AEN318">4.1.1. Telecommunications Devices for the Deaf (TDD)</H3
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><P
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>TDD allows for the user you to communicate over the telephone using the
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computer as a text terminal.</P
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><P
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></P
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><UL
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><LI
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><P
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><STRONG
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> Zapata </STRONG
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>is a computer-based, high-density telephony project. The current version
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is available for download as source code on at:
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<A
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HREF="http://www.zapatatelephony.org/project.html"
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TARGET="_top"
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>http://www.zapatatelephony.org/project.html</A
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>. </P
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></LI
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></UL
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></DIV
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><DIV
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CLASS="sect3"
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><H3
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CLASS="sect3"
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><A
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NAME="AEN326">4.1.2. Closed Captioning</H3
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><P
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>Closed captioning provides text translation of spoken words to video display. Closed captioning can be used for distance
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learning, video-teleconferencing, audio from a CD-ROM, and other types of interactive technology.</P
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><P
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></P
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><UL
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><LI
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><P
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><STRONG
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>Ccdecoder </STRONG
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>is a closed captioned, extended data services decoder for the bttv
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and video4linux based tv video cards:
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<A
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HREF="http://sourceforge.net/projects/ccdecoder/"
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TARGET="_top"
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>http://sourceforge.net/projects/ccdecoder/</A
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>. </P
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></LI
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></UL
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></DIV
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></DIV
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></DIV
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><DIV
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CLASS="NAVFOOTER"
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><HR
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ALIGN="LEFT"
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WIDTH="100%"><TABLE
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SUMMARY="Footer navigation table"
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WIDTH="100%"
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BORDER="0"
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CELLPADDING="0"
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CELLSPACING="0"
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><TR
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><TD
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WIDTH="33%"
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ALIGN="left"
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VALIGN="top"
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><A
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HREF="visual.html"
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ACCESSKEY="P"
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>Prev</A
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></TD
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><TD
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WIDTH="34%"
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ALIGN="center"
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VALIGN="top"
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><A
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HREF="index.html"
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ACCESSKEY="H"
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>Home</A
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></TD
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><TD
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WIDTH="33%"
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ALIGN="right"
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VALIGN="top"
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><A
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HREF="physical.html"
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ACCESSKEY="N"
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>Next</A
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></TD
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></TR
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><TR
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><TD
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WIDTH="33%"
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ALIGN="left"
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VALIGN="top"
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>Visual Impairments</TD
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><TD
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WIDTH="34%"
|
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ALIGN="center"
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VALIGN="top"
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> </TD
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><TD
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WIDTH="33%"
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ALIGN="right"
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VALIGN="top"
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|
>Physically Disabled</TD
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></TR
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|
></TABLE
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></DIV
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></BODY
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></HTML
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>
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