fix indentation in definition of CLI options with multi-line description

1 files changed, 11 insertions, 11 deletions

diff --git a/lib/asciidoctor/cli/options.rb b/lib/asciidoctor/cli/options.rb
index 238fbe7e..33547892 100644
--- a/lib/asciidoctor/cli/options.rb
+++ b/lib/asciidoctor/cli/options.rb
@@ -47,11 +47,11 @@ module Asciidoctor
           EOS
 
           opts.on('-b', '--backend BACKEND', 'set backend output format: [html5, xhtml5, docbook5, manpage] (default: html5)',
-                  'additional backends are supported via extended converters (e.g., pdf, epub3)') do |backend|
+              'additional backends are supported via extended converters (e.g., pdf, epub3)') do |backend|
             self[:attributes]['backend'] = backend
           end
           opts.on('-d', '--doctype DOCTYPE', ['article', 'book', 'manpage', 'inline'],
-                  'document type to use when converting document: [article, book, manpage, inline] (default: article)') do |doctype|
+              'document type to use when converting document: [article, book, manpage, inline] (default: article)') do |doctype|
             self[:attributes]['doctype'] = doctype
           end
           opts.on('-e', '--embedded', 'suppress enclosing document structure and output an embedded document (default: false)') do
@@ -61,14 +61,14 @@ module Asciidoctor
             self[:output_file] = output_file
           end
           opts.on('--safe',
-                  'set safe mode level to safe (default: unsafe)',
-                  'enables include directives, but prevents access to ancestor paths of source file',
-                  'provided for compatibility with the asciidoc command') do
+              'set safe mode level to safe (default: unsafe)',
+              'enables include directives, but prevents access to ancestor paths of source file',
+              'provided for compatibility with the asciidoc command') do
             self[:safe] = SafeMode::SAFE
           end
           opts.on('-S', '--safe-mode SAFE_MODE', (safe_mode_names = SafeMode.names),
-                  %(set safe mode level explicitly: [#{safe_mode_names.join ', '}] (default: unsafe)),
-                  'disables potentially dangerous macros in source files, such as include::[]') do |name|
+              %(set safe mode level explicitly: [#{safe_mode_names.join ', '}] (default: unsafe)),
+              'disables potentially dangerous macros in source files, such as include::[]') do |name|
             self[:safe] = SafeMode.value_for_name name
           end
           opts.on('-s', '--no-header-footer', 'suppress enclosing document structure and output an embedded document (default: false)') do
@@ -78,19 +78,19 @@ module Asciidoctor
             self[:attributes]['sectnums'] = ''
           end
           opts.on('--eruby ERUBY', ['erb', 'erubi', 'erubis'],
-                  'specify eRuby implementation to use when rendering custom ERB templates: [erb, erubi, erubis] (default: erb)') do |eruby|
+              'specify eRuby implementation to use when rendering custom ERB templates: [erb, erubi, erubis] (default: erb)') do |eruby|
             self[:eruby] = eruby
           end
           opts.on('-a', '--attribute name[=value]', 'a document attribute to set in the form of name, name!, or name=value pair',
-                  'this attribute takes precedence over the same attribute defined in the source document',
-                  'unless either the name or value ends in @ (i.e., name@=value or name=value@)') do |attr|
+              'this attribute takes precedence over the same attribute defined in the source document',
+              'unless either the name or value ends in @ (i.e., name@=value or name=value@)') do |attr|
             next if (attr = attr.rstrip).empty? || attr == '='
             attr = attr.encode UTF_8 unless attr.encoding == UTF_8
             name, _, val = attr.partition '='
             self[:attributes][name] = val
           end
           opts.on('-T', '--template-dir DIR', 'a directory containing custom converter templates that override the built-in converter (requires tilt gem)',
-                  'may be specified multiple times') do |template_dir|
+              'may be specified multiple times') do |template_dir|
             if self[:template_dirs].nil?
               self[:template_dirs] = [template_dir]
             elsif ::Array === self[:template_dirs]