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From: schwarze@mdocml.bsd.lv
To: source@mdocml.bsd.lv
Subject: mdocml: stricter parsing of Unicode escape names
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Log Message:
-----------
stricter parsing of Unicode escape names

Modified Files:
--------------
    mdocml:
        mandoc_escape.3

Revision Data
-------------
Index: mandoc_escape.3
===================================================================
RCS file: /usr/vhosts/mdocml.bsd.lv/cvs/mdocml/mandoc_escape.3,v
retrieving revision 1.1
retrieving revision 1.2
diff -Lmandoc_escape.3 -Lmandoc_escape.3 -u -p -r1.1 -r1.2
--- mandoc_escape.3
+++ mandoc_escape.3
@@ -197,15 +197,9 @@ form, directly follows the initial backs
 Note that the one-character argument short form can only be used for
 argument characters that do not clash with escape sequence identifiers.
 .Pp
-If the argument consists of more than one character
-and starts with the character
-.Sq u ,
-.Dv ESCAPE_UNICODE
-is returned as described below.
-If the argument is just the single character
-.Sq u ,
-.Dv ESCAPE_ERROR
-is returned.
+If the argument matches one of the forms described below under
+.Dv ESCAPE_UNICODE ,
+that value is returned instead.
 .Pp
 The
 .Dv ESCAPE_SPECIAL
@@ -219,17 +213,27 @@ manual.
 .It Dv ESCAPE_UNICODE
 Escape sequences of the same format as described above under
 .Dv ESCAPE_SPECIAL ,
-but with an argument starting with the character
-.Sq u :
+but with an argument of the forms
+.Ic u Ns Ar XXXX ,
+.Ic u Ns Ar YXXXX ,
+or
+.Ic u10 Ns Ar XXXX
+where
+.Ar X
+and
+.Ar Y
+are hexadecimal digits and
+.Ar Y
+is not zero:
 .Ic \eC'u , \e[u .
 As a special exception,
 .Fa start
 is set to the character after the
-.Sq u ,
+.Ic u ,
 and the
 .Fa sz
 return value does not include the
-.Sq u
+.Ic u
 either.
 .Pp
 Such Unicode character escape sequences can be rendered using the function
--
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