Index: trunk/SRC/Documentation/idldoc_html_output/Interpolation/fromirr.html
===================================================================
--- trunk/SRC/Documentation/idldoc_html_output/Interpolation/fromirr.html	(revision 112)
+++ trunk/SRC/Documentation/idldoc_html_output/Interpolation/fromirr.html	(revision 113)
@@ -717,5 +717,5 @@
 	
 	  <p class="header">
-	    <span class="result">result = </span>fromirr(<span class="result"><a href="#_fromirr_param_method">method</a>, <a href="#_fromirr_param_datain">datain</a>[, <a href="#_fromirr_param_lonin">lonin</a>][, <a href="#_fromirr_param_latin">latin</a>][, <a href="#_fromirr_param_mskin">mskin</a>][, <a href="#_fromirr_param_lonout">lonout</a>][, <a href="#_fromirr_param_latout">latout</a>][, <a href="#_fromirr_param_mskout">mskout</a>]</span>, <a href="#_fromirr_keyword_WEIG">WEIG</a>=<span class="result">WEIG</span>, <a href="#_fromirr_keyword_ADDR">ADDR</a>=<span class="result">ADDR</span>)</p>
+	    <span class="result">result = </span>fromirr(<span class="result"><a href="#_fromirr_param_method">method</a>, <a href="#_fromirr_param_datain">datain</a>, <a href="#_fromirr_param_lonin">lonin</a>, <a href="#_fromirr_param_latin">latin</a>, <a href="#_fromirr_param_mskin">mskin</a>, <a href="#_fromirr_param_lonout">lonout</a>, <a href="#_fromirr_param_latout">latout</a>, <a href="#_fromirr_param_mskout">mskout</a></span>, <a href="#_fromirr_keyword_WEIG">WEIG</a>=<span class="result">WEIG</span>, <a href="#_fromirr_keyword_ADDR">ADDR</a>=<span class="result">ADDR</span>)</p>
 	
 	  <div class="comments">
@@ -758,6 +758,6 @@
 	      <span class="attr">in</span>
 	      
-	      <span class="attr">optional</span>
-	      
+	      
+	      <span class="attr">required</span>
 	      
 	      
@@ -766,12 +766,11 @@
 	    </h4>
 	
-	  <div class="comments"> a 2D array defining the longitude of the input data
-           optionals if WEIG and ADDR keywords used.</div>
+	  <div class="comments"> a 2D array defining the longitude of the input data</div>
 	    
 	    <h4 id="_fromirr_param_latin">latin&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
 	      <span class="attr">in</span>
 	      
-	      <span class="attr">optional</span>
-	      
+	      
+	      <span class="attr">required</span>
 	      
 	      
@@ -780,12 +779,11 @@
 	    </h4>
 	
-	  <div class="comments"> a 2D array defining the latitude of the input data.
-                     optionals if WEIG and ADDR keywords used.</div>
+	  <div class="comments"> a 2D array defining the latitude of the input data.</div>
 	    
 	    <h4 id="_fromirr_param_mskin">mskin&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
 	      <span class="attr">in</span>
 	      
-	      <span class="attr">optional</span>
-	      
+	      
+	      <span class="attr">required</span>
 	      
 	      
@@ -799,6 +797,6 @@
 	      <span class="attr">in</span>
 	      
-	      <span class="attr">optional</span>
-	      
+	      
+	      <span class="attr">required</span>
 	      
 	      
@@ -807,12 +805,11 @@
 	    </h4>
 	
-	  <div class="comments"> 1D or 2D array defining the longitude of the output data.
-                       optionals if WEIG and ADDR keywords used.</div>
+	  <div class="comments"> 1D or 2D array defining the longitude of the output data.</div>
 	    
 	    <h4 id="_fromirr_param_latout">latout&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
 	      <span class="attr">in</span>
 	      
-	      <span class="attr">optional</span>
-	      
+	      
+	      <span class="attr">required</span>
 	      
 	      
@@ -821,12 +818,11 @@
 	    </h4>
 	
-	  <div class="comments"> 1D or 2D array defining the latitude of the output data.
-                       optionals if WEIG and ADDR keywords used.</div>
+	  <div class="comments"> 1D or 2D array defining the latitude of the output data.</div>
 	    
 	    <h4 id="_fromirr_param_mskout">mskout&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
 	      <span class="attr">in</span>
 	      
-	      <span class="attr">optional</span>
-	      
+	      
+	      <span class="attr">required</span>
 	      
 	      
@@ -869,10 +865,10 @@
 	    </h4>
 	
-	    <div class="comments">: 2D arrays, weig and addr are the weight and addresses used to
+	    <div class="comments"> 2D arrays, weig and addr are the weight and addresses used to
      perform the interpolation:
           dataout = total(weig*datain[addr], 1)
           dataout = reform(dataout, jpio, jpjo, /over)
-     Those keywords can be set to named variables into which the values will be
-     copied when the current routine exits. Next, they can be used to perform
+     Those keywords can be set to named variables (that are undefined or equal to 0) into which the
+     values will be copied when the current routine exits. Next, they can be used to perform
      the interpolation whithout computing again those 2 parameters. This greatly
      speed-up the interpolation! In that case, lonin, latin, lonout and latout are not necessary.
