195 lines
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HTML
195 lines
12 KiB
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PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
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<meta name="DC.Title" content="EDTWRD (Edit Word) keyword for display files" />
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<meta name="abstract" content="Use this field-level keyword to specify an edit word if you cannot obtain the editing that you want by using the EDTCDE keyword." />
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<meta name="description" content="Use this field-level keyword to specify an edit word if you cannot obtain the editing that you want by using the EDTCDE keyword." />
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<meta name="DC.subject" content="EDTWRD (Edit Word) keyword, Edit Word (EDTWRD) keyword" />
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<meta name="keywords" content="EDTWRD (Edit Word) keyword, Edit Word (EDTWRD) keyword" />
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<title>EDTWRD (Edit Word) keyword for display files</title>
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</head>
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<body id="rzakcmstdfedwrd"><a name="rzakcmstdfedwrd"><!-- --></a>
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<!-- Java sync-link --><script language="Javascript" src="../rzahg/synch.js" type="text/javascript"></script>
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<h1 class="topictitle1">EDTWRD (Edit Word) keyword for display files</h1>
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<div><p>Use this field-level keyword to specify an edit word if you cannot
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obtain the editing that you want by using the EDTCDE keyword.</p>
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<div class="section"><div class="p">The format of the keyword is: <pre>EDTWRD('edit-word')</pre>
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</div>
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<p>An
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edit word specifies the form in which the field values are to be displayed
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and clarifies the data by inserting characters directly, such as decimal points,
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commas, floating- and fixed-currency symbol, and credit balance indicators.
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The edit word can also be used to suppress leading zeros and to provide asterisk
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fill protection.</p>
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<p>If a field previously defined in a database file has
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EDTWRD specified, you need not specify EDTWRD for that field in the display
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file. You can specify R in position 29 to refer to the previously defined
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field. The editing specified for the referenced field is included in the display
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file. However, if you also specify length, data type, or decimal positions
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for a display file field, editing specified for the referenced field is not
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included in the display file, and you must specify editing again in the display
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file.</p>
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</div>
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<div class="example"><h4 class="sectiontitle">Parts of an edit word</h4><p>An edit word consists of three parts: the body, the
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status, and the expansion. <a href="#rzakcmstdfedwrd__exedwrd">Figure 1</a> shows
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the three parts of an edit word.</p>
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<div class="fignone" id="rzakcmstdfedwrd__exedwrd"><a name="rzakcmstdfedwrd__exedwrd"><!-- --></a><span class="figcap">Figure 1. Three parts of
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an edit word</span><br /><img src="rv2f511.gif" alt="Three parts of an edit word:
the body, the status, and the expansion." /><br /></div>
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<p>The body is the space for the digits transferred from the data field
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to the output record. The body begins at the farthest left position of the
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edit word. The number of blanks (plus one for a zero or an asterisk) it contains
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is equal to the number of digits of the data field to be edited. If the zero
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or asterisk is the first character in the edit word, the number of blanks
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it contains might equal the number of digits in the data field. The body ends
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with the farthest right character that can be replaced by a digit.</p>
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<p>The
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status positions display the sign (+ or -) of the data field. The status continues
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to the right of the body to either a CR (credit) or - (minus) symbol. These
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two symbols print only when the field is negative. Edit words without the
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CR or - symbol have no status positions.</p>
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<p>The expansion positions are
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not changed by the edit operation. The expansion starts at the first position
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to the right of the status (or body, if status is not specified) and ends
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with the farthest right character of the edit word.</p>
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</div>
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<div class="section"><h4 class="sectiontitle">Forming the body of an edit word</h4><p>The following characters
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have special meanings when used in the body of an edit word.</p>
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<dl><dt class="dlterm">Blank</dt>
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<dd>A blank is replaced with the character from the corresponding position
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of the data field. A blank position is referred to as a digit position.</dd>
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<dt class="dlterm">Ampersand</dt>
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<dd>An ampersand causes a blank in the edited field. The ampersand is not
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displayed. Note that ampersands specified in the edit word between blanks
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can result in incorrect data when specified for an input/output field. This
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is because embedded blanks in a numeric-only field are converted to zeros.</dd>
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<dt class="dlterm">Zero</dt>
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<dd>A zero stops zero suppression. Place it in the farthest right position
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where zero suppression is to stop. The zero is replaced with the character
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from the corresponding position of the data field, unless that character is
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a zero. Any zeros in the data that appear to the right of the stop-zero-suppression
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character are displayed. The stop-zero-suppression character is considered
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a digit position; however, when it is the first character, it might not represent
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the digit position. At least one leading zero is suppressed, unless it is
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the first character of the EDTWRD. Then it does not count as a digit because
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the number of blanks equals the number of digits in the field. Each zero that
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is suppressed is replaced by a blank. An asterisk replaces zeros with asterisks
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(asterisk protection). Place the asterisk in the farthest right position where
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zero suppression is to stop. Each zero that is suppressed is replaced by an
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asterisk. <div class="note"><span class="notetitle">Note:</span> If your display file was created before Version 2 Release
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1, it is possible that the Edit Word (EDTWRD) keyword will produce different
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output after a recompile.</div>
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</dd>
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<dt class="dlterm">Asterisk</dt>
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<dd>An asterisk preceding a zero is interpreted as representing asterisk protection,
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and in this case, the zero prints as a constant. Any asterisks or zeros to
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the right of the stop-zero-suppression character are constants.</dd>
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<dt class="dlterm">Currency symbol</dt>
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<dd> <p>If you code a currency symbol immediately to the left of the zero
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suppression code, a currency symbol is inserted in the position to the left
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of the first significant digit. It is called the <em>floating-currency symbol</em> when
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used in this manner.</p>
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<p>If you code a currency symbol in the farthest left
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position of the edit word, it is fixed and prints in the same location each
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time. When used in this manner, it is called the <em>fixed-currency symbol</em>.</p>
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<p>The
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currency symbol is not considered a digit replace position. This symbol must
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correspond to the system value QCURSYM.</p>
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</dd>
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<dt class="dlterm">Decimals and commas</dt>
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<dd> <p>Decimals and commas are printed in the same relative positions in
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which they are coded in the edit word unless they are to the left of the first
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significant digit. In that case, they are blanked out or replaced by an asterisk.</p>
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<p>All
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other characters are printed if they are to the right of significant digits
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in the edit word. If they are to the left of the high-order significant digits
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in the edit word, they are blanked out or replaced by asterisks if asterisk
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protection is being used.</p>
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<p>If a constant is to be printed in the left
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most position, the constant must be preceded by a zero and the field length
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increased by one.</p>
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</dd>
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</dl>
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</div>
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<div class="section"><h4 class="sectiontitle">Forming the status of an edit word</h4><p>The following
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characters have special meanings when used in the status of an edit word.</p>
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<dl><dt class="dlterm">Ampersand</dt>
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<dd>Causes a blank in the edited output field. An ampersand cannot be placed
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in the edited output field.</dd>
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<dt class="dlterm">CR or minus symbol</dt>
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<dd>If the sign in the edited output field is plus (+), these positions are
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blanked out. If the sign in the edited output field is minus (-), these positions
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remain undisturbed.</dd>
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</dl>
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</div>
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<div class="section"><h4 class="sectiontitle">Forming the expansion of an edit word</h4><p>The characters
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in the expansion portion of an edit word are always written. The expansion
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cannot contain blanks. If a blank is required in the edited output field,
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specify an ampersand in the body of the edit word.</p>
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</div>
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<div class="section"><h4 class="sectiontitle">Specify a valid edit word</h4><p>Use the following
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rules to specify a valid edit word:</p>
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<ul><li>The EDTWRD keyword is valid for numeric only fields (Y specified in position
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35).</li>
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<li>You cannot specify both EDTWRD and EDTCDE for the same field.</li>
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<li>The DFT and DFTVAL keywords cannot be specified with the EDTWRD keyword.</li>
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<li>Enclose the edit word in single quotation marks.</li>
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<li>The sum of the blanks and stop-zero-suppression characters (digit positions)
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in the edit word must equal the length of the field.</li>
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<li>If the stop-zero-suppression character is the first character in the edit
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word, the sum of the blanks might equal the length of the field or the length
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of the field minus one.</li>
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<li>When you use the floating-currency symbol, the currency symbol is not
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counted as a digit position. For example, if you specify the floating-currency
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symbol for a field with a length of 7 and 2 decimal positions, the edit word
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is: <pre>EDTWRD('____$0.__)</pre>
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<p>where _ represents a blank.</p>
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</li>
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<li>If you want to show a negative sign with a negative number, include a
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sign in the edit word. Use either the minus sign (-) or the letters CR (credit)
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to the right of the last digit replacement character. These print only if
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the number is negative.</li>
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</ul>
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<p>Option indicators are not valid for this keyword.</p>
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<p><a href="#rzakcmstdfedwrd__dfsew">Figure 2</a> shows
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sample edit words with the program value of the field and the display value
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of the field (as edited).</p>
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</div>
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<div class="example"> <div class="fignone" id="rzakcmstdfedwrd__dfsew"><a name="rzakcmstdfedwrd__dfsew"><!-- --></a><span class="figcap">Figure 2. Sample edit words</span><br /><img src="rv2f481.gif" alt="A figure of example edit
words." /><br /></div>
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</div>
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<div class="example"><h4 class="sectiontitle">Example</h4><p>The following example shows how to specify
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the EDTWRD keyword.</p>
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<pre>|...+....1....+....2....+....3....+....4....+....5....+....6....+....7....+....8
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00020A FIELDA 7 2 5 2EDTWRD(' $0. ')
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A</pre>
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</div>
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</div>
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<div>
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<div class="familylinks">
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<div class="parentlink"><strong>Parent topic:</strong> <a href="rzakcmstkeyent.htm" title="You type the keyword entries that define display files in positions 45 through 80 (functions).">DDS keyword entries for display files (positions 45 through 80)</a></div>
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</div>
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<div class="relconcepts"><strong>Related concepts</strong><br />
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<div><a href="dfnoy.htm" title="You can only type the numbers 0 through 9, plus (+), minus (-), period (.), comma (,), and space ( ) into the field. You can press any key to leave the field.">Numeric only (Y)</a></div>
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</div>
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</div>
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</body>
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</html>
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