X-Git-Url: http://git.shiar.nl/sheet.git/blobdiff_plain/7d1044e5e4df51459cafb742090ce62b52d9e087..0521f436ed93fcfee1073656b425522cef34b204:/rfc1345convert

diff --git a/rfc1345convert b/rfc1345convert
index 412bac1..c5a3e80 100644
--- a/rfc1345convert
+++ b/rfc1345convert
@@ -77,9 +77,23 @@ for (values %info) {
 # mark unofficial extras as such
 $info{$_}->{category} .= ' Xz' for @extra;
 
+for (keys %di) {
+	# find control characters (first 32 chars from 0 and 128)
+	next if $di{$_} & ~0b1001_1111;
+	# rename to something more descriptive
+	$info{$_}->{name} = $info{$_}->{unicode10}
+		? '<'.$info{$_}->{unicode10}.'>'  # the old name was much more useful
+		: sprintf('<control U+%04X>', $di{$_});  # at least identify by value
+	# show descriptive symbols instead of control chars themselves
+	$di{$_} += 0x2400 if $di{$_} < 32;
+}
+
 # output perl code of hash
 # (assume no backslashes or curlies, so we can just q{} w/o escaping)
-print "{\n";
+print "+{\n";
+printf '(map {$_=>0} qw{%s}),'."\n", join(' ',
+	map { substr($_, 1, 1).substr($_, 0, 1) } sort keys %di
+);
 printf "q{%s}=>[%s],\n", $_, join(',',
 	$di{$_},       # glyph code point
 	$info{$_}  # optional additional arguments