feat: Add escapeHTML function (#1303)

src/progress.sh

@@ -11,8 +11,9 @@ escape() {
   s=${s//</\&lt;}
   s=${s//>/\&gt;}
   s=${s//'"'/\&quot;}
+  s=${s//"'"/\&#39;}
 
-  printf -- %s "$s"
+  printf '%s' "$s"
   return 0
 }
 

src/utils.sh

@@ -373,6 +373,18 @@ escape () {
   return 0
 }
 
+escapeXML() {
+
+  printf '%s' "$1" | sed \
+    -e 's/&/\&/g' \
+    -e 's/</\&lt;/g' \
+    -e 's/>/\&gt;/g' \
+    -e 's/"/\&quot;/g' \
+    -e "s/'/\&apos;/g"
+
+  return 0
+}
+
 html() {
 
   local title