Support multiple documents per file

[LesML] / README.markdown

diff --git a/README.markdown b/README.markdown
index adb7e26afc8587ca66e5f5a9566664345a4ed32c..406f611f07d5ed3ddcde89b0e904b936d7b8960f 100644 (file)
--- a/README.markdown
+++ b/README.markdown
@@ -28,12 +28,28 @@ It is implemented as an X·S·L·T transformation from a
 
 The first line of any 💄📝 Les·M·L document should be the string
   `#!lesml`.
-
-Following the shebang, document metadata may be provided in the [Record
-  Jar][draft-phillips-record-jar-01] format.
+A language tag may follow this, beginning with `@` and terminated with
+  `$`, like so:
+`#!lesml@en$`.
+Regardless of whether a language tag is present, the shebang line may
+  be terminated by a space‐separated list of properties of the form
+  `key=value`.
+Only one property is currently permitted: `profile`, whose value should
+  be a U·R·I and is translated to the `@data-lesml-profile` attribute
+  on the resulting `<html:article>` element.
+
+Following the shebang line, document metadata may be provided in the
+  [Record Jar][draft-phillips-record-jar-01] format.
 The body of the document begins after the last line which begins with
   the string `%%`, or after the shebang line if none exists.
 
+Multiple documents can be catenated into a single file; a new document
+  is begun on any line which starts with `#!lesml` or `##`.
+Documents in the later case inherit the latest preceding `#!lesml`
+  declaration.
+`##` may be followed by other text; this is treated as an interdocument
+  comment.
+
 Documents are broken into paragraphs by blank lines.
 Empty paragraphs are ignored.
 Non·empty paragraphs are classified as follows :⁠—
@@ -46,7 +62,6 @@ Non·empty paragraphs are classified as follows :⁠—
 
   | Character | Codepoint | Unicode Name |
   | --------- | --------- | ------------ |
-  | `#` | `U+0023` | `NUMBER SIGN` |
   | `*` | `U+002A` | `ASTERISK` |
   | `-` | `U+002D` | `HYPHEN-MINUS` |
   | `.` | `U+002E` | `FULL STOP` |