X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=helm%2Fsoftware%2Fcomponents%2Fcontent_pres%2FcicNotationLexer.ml;h=f157af40696876a7f38b65946cb6c72acc588590;hb=66929b8edb58d468a134b648466f3e9c45ba5c0e;hp=749731bdafcf9038923c213757f652b896c0d56c;hpb=36809208fa25a494e50004b321fa9a90108ae262;p=helm.git

diff --git a/helm/software/components/content_pres/cicNotationLexer.ml b/helm/software/components/content_pres/cicNotationLexer.ml
index 749731bda..f157af406 100644
--- a/helm/software/components/content_pres/cicNotationLexer.ml
+++ b/helm/software/components/content_pres/cicNotationLexer.ml
@@ -30,6 +30,7 @@ open Printf
 exception Error of int * int * string
 
 let regexp number = xml_digit+
+let regexp utf8_blank = " " | "\n" | "\t" | [160] (* this is a nbsp *)
 
   (* ZACK: breaks unicode's binder followed by an ascii letter without blank *)
 (* let regexp ident_letter = xml_letter *)
@@ -75,7 +76,7 @@ let regexp meta_ident = "$" ident
 let regexp meta_anonymous = "$_"
 let regexp qstring = '"' [^ '"']* '"'
 
-let regexp begincomment = "(**" xml_blank
+let regexp begincomment = "(**" utf8_blank
 let regexp beginnote = "(*"
 let regexp endcomment = "*)"
 (* let regexp comment_char = [^'*'] | '*'[^')']
@@ -229,7 +230,7 @@ let read_unparsed_group token_name lexbuf =
 
 let rec level2_meta_token =
   lexer
-  | xml_blank+ -> level2_meta_token lexbuf
+  | utf8_blank+ -> level2_meta_token lexbuf
   | ident ->
       let s = Ulexing.utf8_lexeme lexbuf in
 	begin
@@ -279,7 +280,7 @@ let rec ligatures_token k =
 
 and level2_ast_token =
   lexer
-  | xml_blank+ -> ligatures_token level2_ast_token lexbuf
+  | utf8_blank+ -> ligatures_token level2_ast_token lexbuf
   | meta ->
      let s = Ulexing.utf8_lexeme lexbuf in
       return lexbuf ("META", String.sub s 1 (String.length s - 1))
@@ -320,7 +321,7 @@ and level2_ast_token =
 
 and level1_pattern_token =
   lexer
-  | xml_blank+ -> ligatures_token level1_pattern_token lexbuf
+  | utf8_blank+ -> ligatures_token level1_pattern_token lexbuf
   | number -> return lexbuf ("NUMBER", Ulexing.utf8_lexeme lexbuf)
   | ident ->
       let s = Ulexing.utf8_lexeme lexbuf in