Fix CRAN warning

DESCRIPTION

@@ -34,6 +34,7 @@ Imports:
     xfun,
     yaml
 Suggests: 
+    jpeg,
     testthat (>= 2.1.0),
     knitr,
     qpdf

NEWS.md

@@ -1,8 +1,9 @@
-# ftExtra 0.1.0.3
+# ftExtra 0.1.1
 
 * Fix math not rendered on Windows with Pandoc < 2.10 (#33)
 * `math.lua` requires Pandoc >= 2.7.3 (#35)
 * Fix Pandoc < 2.7.3 raising error message "option --lua-filter requires an argument SCRIPTPATH". This is a regression from #35 (#37)
+* Fix CRAN warning, "file 'https://www.r-project.org/logo/Rlogo.png' can not be found." (#38)
 
 # ftExtra 0.1.0
 

docs/articles/format_columns_files/header-attrs-2.6.6/header-attrs.js

@@ -0,0 +1,12 @@
+// Pandoc 2.9 adds attributes on both header and div. We remove the former (to
+// be compatible with the behavior of Pandoc < 2.8).
+document.addEventListener('DOMContentLoaded', function(e) {
+  var hs = document.querySelectorAll("div.section[class*='level'] > :first-child");
+  var i, h, a;
+  for (i = 0; i < hs.length; i++) {
+    h = hs[i];
+    if (!/^h[1-6]$/i.test(h.tagName)) continue;  // it should be a header h1-h6
+    a = h.attributes;
+    while (a.length > 0) h.removeAttribute(a[0].name);
+  }
+});

docs/articles/group-rows_files/header-attrs-2.6.6/header-attrs.js

@@ -0,0 +1,12 @@
+// Pandoc 2.9 adds attributes on both header and div. We remove the former (to
+// be compatible with the behavior of Pandoc < 2.8).
+document.addEventListener('DOMContentLoaded', function(e) {
+  var hs = document.querySelectorAll("div.section[class*='level'] > :first-child");
+  var i, h, a;
+  for (i = 0; i < hs.length; i++) {
+    h = hs[i];
+    if (!/^h[1-6]$/i.test(h.tagName)) continue;  // it should be a header h1-h6
+    a = h.attributes;
+    while (a.length > 0) h.removeAttribute(a[0].name);
+  }
+});