From c5aed59d228a68df12f4ca532f4ffabbae2020f0 Mon Sep 17 00:00:00 2001
From: Victor Wagner <vitus@wagner.pp.ru>
Date: Mon, 17 Jul 2017 21:27:48 +0300
Subject: [PATCH] Sync Tex2fb2 with spacians version

---
 Tex2fb2 | 52 +++++++++++++++++++++++++++++++++-------------------
 1 file changed, 33 insertions(+), 19 deletions(-)

diff --git a/Tex2fb2 b/Tex2fb2
index 9ed9dd9..abc38bb 100755
--- a/Tex2fb2
+++ b/Tex2fb2
@@ -1,4 +1,5 @@
 #!/usr/bin/perl -CDS
+
 use utf8;
 use POSIX qw(strftime);
 use MIME::Base64;
@@ -35,11 +36,16 @@ while (<F>) {
 	# Если  существует cover.png, добавляем coverpage
 	if (/<coverpage \/>/) {
 		$_="";
-		if (-f "cover.png") { 
-			my $id = "cover_png";
-			$_ = "<coverpage>\n<image l:href=\"#$id\" />\n</coverpage>\n";
-			$pics .= mkbinary("cover.png",$id);
-		}
+		COVER:
+		for $file ("cover.jpg","cover.png") {
+			if (-f $file) { 
+				my $id = $file;
+				$id=~tr/./_/;
+				$_ = "<coverpage>\n<image l:href=\"#$id\" />\n</coverpage>\n";
+				$pics .= mkbinary($file,$id);
+				last COVER;
+			}
+		}	
 	}
 	print $_;
 }
@@ -100,6 +106,7 @@ if (!$verbatim) {
 s/([^\\])%.*$/$1/;
 s/^%.*$//;
 # strip \sloppy
+s/\\(\w+)\\sloppy/\\$1/g;
 s/\\sloppy\s+//g;
 s/\\sloppy\{\}//g;
 s/\\sloppy([^\w])/$1/g;
@@ -108,14 +115,7 @@ s/^\s+//;
 s/\s+$//;
 s/(\s)\s+/$1/g;
 #replace TeX ligatures ~ --- << >> \% with appropriate unicode symbols
-s/~/\xA0/g;
-s/\\-/\xAD/g;
-s/---/—/g;
-s/<</«/g;
-s/>>/»/g;
-s/\\%/%/g;
-s/\\dots/\x{2026}/g;
-s/\\verb(.)(.*)\1/<code>$2<\/code>/;
+$_ = fix_ligatures($_);
 }
 
 if ($poetry) {
@@ -128,9 +128,8 @@ if ($poetry) {
 		$poetic_buffer=$_;
 		next LINE;
 	}
-	s/\\footnote\{(.*)\}/push_footnote($1)/e;
 	s/\s*\\\\$//;
-  $buffer.=tag($_,'v')."\n";
+  $buffer.=tag(flushbuffer($_),'v')."\n";
 } elsif ($verbatim) {
 	add_to_section(tag(tag($_,"code"),"p"));
 } else {
@@ -194,9 +193,21 @@ sub pushsection {
 	while (scalar(@sections) > $found) {
 		flushsection;
 	}
-	push @sections,{level=>$level,title=>$title,data=>""};
+	push @sections,{level=>$level,title=>fix_ligatures($title),data=>""};
 }
 
+sub fix_ligatures {
+	local $_=shift;
+	s/~/\xA0/g;
+	s/\\-/\xAD/g;
+	s/---/—/g;
+	s/<</«/g;
+	s/>>/»/g;
+	s/\\%/%/g;
+	s/\\dots/\x{2026}/g;
+	s/\\verb(.)(.*)\1/<code>$2<\/code>/;
+	return $_;
+}	
 sub tag {
 	my ($content,$name) = @_;
 	$content =~s/^\s+//s;
@@ -206,9 +217,12 @@ sub tag {
 
 sub flushbuffer {
 	local $_ = shift;
-	s/\{\\(em|it|bf)(?:\s+|\{\})([^{}]+)\}/<emphasis>$2<\/emphasis>/g;
-	s/\\(emph|textit|textbf)\{([^{}]+)\}/<emphasis>$2<\/emphasis>/g;
+
 	s/\\footnote\{(.*)\}/push_footnote($1)/e;
+	$_.="}" if (/^\s*\{.*?[^}]$/) ;
+	s/\{\\(em|it|bf)(?:\s+| \{\})([^{}]+)}/<emphasis>$2<\/emphasis>/g;
+	s/\{\\(tt)(?:\s+|\{\})([^{}]+)}/<code>$2<\/code>/g;
+	s/\\(emph|textit|textbf)\{([^{}]+)\}/<emphasis>$2<\/emphasis>/g;
 	s/[{}]//g;
 	return $_;
 }
@@ -216,7 +230,7 @@ sub flushbuffer {
 
 sub push_footnote {
 	my $id = "note_".(++$idseq);
-	$footnotes.="<section id=\"$id\">".tag(shift,'p')."</section>\n";
+	$footnotes.="<section id=\"$id\">".tag(flushbuffer(shift),'p')."</section>\n";
 	return "<a l:href=\"#$id\" type=\"note\">$idseq</a>";
 }
 
-- 
2.39.2