small fixes

doc/manual-racket.css

@@ -306,3 +306,14 @@ tbody > tr:first-child > td > .together {
    top: 0px;
    z-index: 1;
 }
+
+/* ---------------------------------------- */
+/* For section source modules & tags */
+
+.RPartExplain {
+    background: #eee;
+    font-size: 0.9rem;
+    margin-top: 0.2rem;
+    padding: 0.2rem;
+    text-align: left;
+}

doc/manual-racket.js

@@ -0,0 +1,82 @@
+/* For the Racket manual style */
+
+AddOnLoad(function() {
+    /* Look for header elements that have x-source-module and x-part tag.
+       For those elements, add a hidden element that explains how to
+       link to the section, and set the element's onclick() to display
+       the explanation. */
+    var tag_names = ["h1", "h2", "h3", "h4", "h5"];
+    for (var j = 0; j < tag_names.length; j++) {
+        elems = document.getElementsByTagName(tag_names[j]);
+        for (var i = 0; i < elems.length; i++) {
+            var elem = elems.item(i);
+            AddPartTitleOnClick(elem);
+        }
+    }
+})
+
+function AddPartTitleOnClick(elem) {
+    var mod_path = elem.getAttribute("x-source-module");
+    var tag = elem.getAttribute("x-part-tag");
+    if (mod_path && tag) {
+        var info = document.createElement("div");
+        info.className = "RPartExplain";
+
+        /* The "top" tag refers to a whole document: */
+        var is_top = (tag == "\"top\"");
+        info.appendChild(document.createTextNode("Link to this "
+                                                 + (is_top ? "document" : "section")
+                                                 + " with "));
+
+        /* Break `secref` into two lines if the module path and tag
+           are long enough: */
+        var is_long = (is_top ? false : (mod_path.length + tag.length > 60));
+
+        var line1 = document.createElement("div");
+        var line2 = (is_long ? document.createElement("div") : line1);
+
+        function add(dest, str, cn) {
+            var s = document.createElement("span");
+            s.className = cn;
+            s.style.whiteSpace = "nowrap";
+            s.appendChild(document.createTextNode(str));
+            dest.appendChild(s);
+        }
+        /* Construct a `secref` call with suitable syntax coloring: */
+        add(line1, "\xA0@", "RktRdr");
+        add(line1, (is_top ? "other-doc" : "secref"), "RktSym");
+        add(line1, "[", "RktPn");
+        if (!is_top)
+            add(line1, tag, "RktVal");
+        if (is_long) {
+            /* indent second line: */
+            add(line2, "\xA0\xA0\xA0\xA0\xA0\xA0\xA0\xA0", "RktPn");
+        }
+        if (!is_top)
+            add(line2, " #:doc ", "RktPn");
+        add(line2, "'", "RktVal");
+        add(line2, mod_path, "RktVal");
+        add(line2, "]", "RktPn");
+
+        info.appendChild(line1);
+        if (is_long)
+            info.appendChild(line2);
+
+        info.style.display = "none";
+
+        /* Add the new element afterthe header: */
+        var n = elem.nextSibling;
+        if (n)
+            elem.parentNode.insertBefore(info, n);
+        else
+            elem.parentNode.appendChild(info);
+
+        /* Clicking the header shows the explanation element: */
+        elem.onclick = function () {
+            if (info.style.display == "none")
+                info.style.display = "block";
+            else
+                info.style.display = "none";
+        }
+    }
+}

doc/scribble-common.js

@@ -20,7 +20,7 @@ var page_args =
 
 function GetPageArg(key, def) {
   for (var i=0; i<page_args.length; i++)
-    if (page_args[i][0] == key) return unescape(page_args[i][1]);
+    if (page_args[i][0] == key) return decodeURIComponent(page_args[i][1]);
   return def;
 }
 
@@ -28,9 +28,13 @@ function MergePageArgsIntoLink(a) {
   if (page_args.length == 0 ||
       (!a.attributes["data-pltdoc"]) || (a.attributes["data-pltdoc"].value == ""))
     return;
-  a.href.search(/^([^?#]*)(?:\?([^#]*))?(#.*)?$/);
+  a.href = MergePageArgsIntoUrl(a.href);
+}
+
+function MergePageArgsIntoUrl(href) {
+  href.search(/^([^?#]*)(?:\?([^#]*))?(#.*)?$/);
   if (RegExp.$2.length == 0) {
-    a.href = RegExp.$1 + "?" + page_query_string + RegExp.$3;
+    return RegExp.$1 + "?" + page_query_string + RegExp.$3;
   } else {
     // need to merge here, precedence to arguments that exist in `a'
     var i, j;
@@ -47,7 +51,7 @@ function MergePageArgsIntoLink(a) {
         if (args[j] == page_args[i][0]) { exists = true; break; }
       if (!exists) str += "&" + page_args[i][0] + "=" + page_args[i][1];
     }
-    a.href = prefix + "?" + str + suffix;
+    return prefix + "?" + str + suffix;
   }
 }
 
@@ -127,8 +131,8 @@ function DoSearchKey(event, field, ver, top_path) {
   if (event && event.keyCode == 13) {
     var u = GetCookie("PLT_Root."+ver, null);
     if (u == null) u = top_path; // default: go to the top path
-    u += "search/index.html?q=" + escape(val);
+    u += "search/index.html?q=" + encodeURIComponent(val);
-    if (page_query_string) u += "&" + page_query_string;
+    u = MergePageArgsIntoUrl(u);
     location = u;
     return false;
   }

tests.rkt

@@ -118,5 +118,5 @@
 (check-equal? (call-with-values (λ() (splitf-txexpr split-this-tx (λ(x) (and (txexpr? x) (equal? 'meta (car x)))))) list) 
               (list '(root "hello" "world" (em "goodnight" "moon")) '((meta "foo" "bar") (meta "foo2" "bar2") (meta "foo3" "bar3"))))
 
-(check-equal? (txexpr->html '(root (script "3 > 2") "Why is 3 > 2?"))
+(check-equal? (xexpr->html '(root (script "3 > 2") "Why is 3 > 2?"))
               "<root><script>3 > 2</script>Why is 3 &gt; 2?</root>")