X-Git-Url: http://git.shiar.nl/sheet.git/blobdiff_plain/70e3b473d744176d9692900114c8beefc0527150..729cd54c52950380bbedabe9d76e5ce41692fdcc:/tools/mkcharinfo

diff --git a/tools/mkcharinfo b/tools/mkcharinfo
index c6c8900..ef1e215 100755
--- a/tools/mkcharinfo
+++ b/tools/mkcharinfo
@@ -11,9 +11,13 @@ use Data::Dump 'pp';
 our $VERSION = '1.00';
 
 my %info = (
+	# prepare presentational string for some control(lish) entries
 	"\xAD"     => {string => '-'},
 	"\x{200E}" => {string => '→'},
 	"\x{200F}" => {string => '←'},
+	"\x{200B}" => {string => '␣'},
+	"\x{200C}" => {string => '|'}, # ISO-9995-7-081 lookalike (alt: ∣ ⊺ ⟙)
+	"\x{200D}" => {string => '⁀'}, # join (alt: ∤ |ͯ ⨝)
 );
 $info{chr $_} //= {} for 32 .. 126;
 
@@ -105,7 +109,9 @@ for my $chr (keys %info) {
 				? '<'.$info->{unicode10}.'>'  # the old name was much more useful
 				: sprintf('<control U+%04X>', $cp);  # at least identify by value
 			# show descriptive symbols instead of control chars themselves
-			$info->{string} = $cp < 32 ? chr($cp + 0x2400) : chr(0xFFFD);
+			$info->{string} = $cp < 32   ? chr($cp + 0x2400) :
+			                  $cp == 127 ? chr(0x2421) :
+			                               chr(0xFFFD);
 		}
 	}