From 90f2749e4d60b2700566294a2dc75370dcf356d2 Mon Sep 17 00:00:00 2001
From: Victor Wagner <wagner@atlas-card.ru>
Date: Wed, 13 Nov 2013 13:15:22 +0400
Subject: [PATCH] fixed translation of verse to poem

---
 Tex2fb2 | 24 ++++++++++++++++--------
 1 file changed, 16 insertions(+), 8 deletions(-)

diff --git a/Tex2fb2 b/Tex2fb2
index 2d644df..693149f 100755
--- a/Tex2fb2
+++ b/Tex2fb2
@@ -26,7 +26,7 @@ LINE:
 while (<>) {
 $environ = undef;
 if (/\\(begin|end){(\w+)}/) {
-	$environ = $2;
+	$environ=$2;
 	$begin=$1 eq "begin";
 	if ($environ eq 'verbatim') {
 		$verbatim=$begin;
@@ -34,17 +34,19 @@ if (/\\(begin|end){(\w+)}/) {
 		if ($begin) {
 		pushsection("poem",undef);
 		} else {
-		flushsection('poem');
+			add_to_section(tag($buffer,'stanza')."\n") if $buffer;
+			$buffer="";
+			flushsection('poem');
 		}
 		$poetry = $begin;
-	} elsif($environ = 'document' && $begin) {
+	} elsif($environ eq 'document' && $begin) {
 		$header=0;
 	}
 }
 next LINE if $header;
 if ((/^$/ || $environ) && $buffer) {
 #output on empty line (p or stanza) depending on poetry mode
-	add_to_section(tag($buffer,$poetry?"stanza":"p"));
+	add_to_section(tag($buffer,$poetry?"stanza":"p")."\n");
 	$buffer="";
 }
 next LINE if $environ;
@@ -61,6 +63,7 @@ if (/\\vspace{/) {
 	add_to_section("<empty-line />");
 	next LINE;
 }
+next LINE if /\\pagebreak\b/;
 #normal mode: 
 if (!$verbatim) {
 #strip TeX comments 
@@ -70,6 +73,10 @@ s/^%.*$//;
 s/\\sloppy\s+//g;
 s/\\sloppy{}//g;
 s/\\sloppy([^\w])/$1/g;
+# strip extra space
+s/^\s+//;
+s/\s+$//;
+s/(\s)\s+/$1/g;
 #replace TeX ligatures ~ --- << >> \% with appropriate unicode symbols
 s/~/\xA0/g;
 s/---/-/g;
@@ -87,11 +94,12 @@ s/>/&gt;/g;
 
 if ($poetry) {
 	chomp;
-  $buffer.=tag($_,'v');
+	s/\s*\\\\$//;
+  $buffer.=tag($_,'v')."\n";
 } elsif ($verbatim) {
 	add_to_section(tag(tag($_,"code"),"p"));
 } else {
-  $buffer.=$_;
+  $buffer.=" ".$_;
 }
 }
 if ($buffer) {
@@ -121,7 +129,7 @@ sub flushsection {
 	}
 	$content .=  $str->{data};
 	if ($#sections >=0) {
-		add_to_section(tag($content,$tag));
+		add_to_section(tag($content,$tag)."\n");
 	} else {
 		print tag($content,$tag);
 	}
@@ -147,6 +155,6 @@ sub pushsection {
 
 sub tag {
 	my ($content,$name) = @_;
-	return "" if ($content eq "\n");
+	return "" if $content =~ /^\s*$/s;
 	return "<$name>$content</$name>";
 }
-- 
2.39.2