Add poc files

h_program-lang/pleac.mli

@@ -0,0 +1,38 @@
+
+(* e.g. "10.1" *)
+type section = string 
+
+type code_excerpt = string list
+
+type comment_style = 
+  string (* comment_start *) * string (* comment_end *)
+
+type skeleton = 
+  (string (* section1 *) * 
+      ((string (* section2 title *) * section) list)) 
+    list
+
+type sections = (section, code_excerpt) Common.assoc
+
+val parse_data_file: 
+  Common.filename -> sections
+
+val parse_skeleton_file:
+  Common.filename -> skeleton
+
+val detect_comment_style:
+  Common.filename -> comment_style
+
+type gen_mode = 
+  | OneFilePerSection
+  | OneDirPerSection
+
+val gen_source_files: 
+  skeleton -> sections -> comment_style -> 
+  gen_mode:gen_mode ->
+  output_dir:Common.dirname ->
+  ext_file:string ->
+  hook_start_section2:(string -> string) ->
+  hook_line_body:(string -> string) ->
+  hook_end_section2:(string -> string) ->
+  unit