CHANGELOG.adoc in asciidoctor-latex-1.5.0.9.dev vs CHANGELOG.adoc in asciidoctor-latex-1.5.0.10.dev

@@ -20,9 +20,36 @@
 or equation alignment environment is labeled
 for cross-referencing, e.g.,
 `[env.equation#hohoho]`, then it is numbered.
 ////
 
+1.5.0.10.dev:: NOTE: Version 1.5.0.10 introduces
+a new syntax with switches for three 'dialects'
+of asciidoc: asciidoc itself, 'manuscript',
+and 'latex'.  More on this later.
+
+----
+
+# Invoke asciidoctor-latex for LaTeX output by
+#
+#   asciidoctor-latex -a dialect=asciidoc foo.adoc
+#   asciidoctor-latex -a dialect=manuscript foo.adoc
+#   asciidoctor-latex -a dialect=latex foo.adoc
+#
+# Be sure to use XeLaTex for tex'ing
+# For html output, use
+#
+#   asciidoctor-latex -a dialect=asciidoc foo.adoc -b html
+#   asciidoctor-latex -a dialect=manuscript foo.adoc -b html
+#   asciidoctor-latex -a dialect=latex foo.adoc -b html
+#
+# The above are *source file* options for dialects of asciidoc:
+#
+#   asciidoc
+#   asciidoc-manuscript
+#   asciidoc-latex
+----
+
 1.5.0.8dev:: One can now say
 ----
 $ asciidoctor-latex -a preprocess=no -b html bar.adoc
 ----
 to suppress preprocessing for the mathematician's