Initial commit: Klammertext source distribution

Curated source subset assembled by klammertext-dev's doc/make_dist.sh: the Klammermachine (mac), the Standard Klammer Set (sks), the commands (com), editor plugins and install guides (doc), a test subset (tst), and lib/bin placeholders. Builds with 'make -C com'.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

sks/link/css/link.css

@@ -0,0 +1,49 @@
+:root {
+    --link-blue: #042B8C; /* #03216C; */
+    
+
+/*      #073DCA */
+}
+
+a {
+    color: var(--link-blue);
+}
+
+a, a:link, a:visited {
+    outline: 0;
+    text-decoration: none;
+}
+
+a:hover {
+    text-decoration: underline;
+    text-underline-offset: 0.2em;
+    text-decoration-thickness: 1px;
+    outline: 0;
+}
+
+/* In book structure (identified by the presence of #nav), section heading
+   links in the text area behave like normal text: no underline, text-selection
+   cursor, no drag.  The TOC is always visible in the side pane, so the
+   heading links are not useful for navigation.
+   In article structure (no #nav), headings are links back to the TOC at
+   the top of the page, so they retain normal link behavior. */
+body:has(#nav) #text a[href^="#_c"] {
+    cursor: text;
+    user-select: text;
+    -webkit-user-drag: none;
+}
+
+body:has(#nav) #text a[href^="#_c"]:hover {
+    text-decoration: none;
+}
+
+.pagelink {
+    color: var(--link-blue);
+    cursor: pointer;
+    text-decoration: none;
+}
+
+.pagelink:hover {
+    text-decoration: underline;
+    outline: 0;
+}