Docs: fil in notes on parser_options configuration

CHANGELOG.md

@@ -1,3 +1,6 @@
+## 4.1.0
+  - Feat: added parser_options for more control over XML parsing [#68](https://github.com/logstash-plugins/logstash-filter-xml/pull/68)
+
 ## 4.0.7
   - Fixed creation of empty arrays when xpath failed [#59](https://github.com/logstash-plugins/logstash-filter-xml/pull/59)
 

docs/index.asciidoc

@@ -34,6 +34,7 @@ This plugin supports the following configuration options plus the <<plugins-{typ
 | <<plugins-{type}s-{plugin}-force_array>> |<<boolean,boolean>>|No
 | <<plugins-{type}s-{plugin}-force_content>> |<<boolean,boolean>>|No
 | <<plugins-{type}s-{plugin}-namespaces>> |<<hash,hash>>|No
+| <<plugins-{type}s-{plugin}-parser_options>> |<<string,string>>|No
 | <<plugins-{type}s-{plugin}-remove_namespaces>> |<<boolean,boolean>>|No
 | <<plugins-{type}s-{plugin}-source>> |<<string,string>>|Yes
 | <<plugins-{type}s-{plugin}-store_xml>> |<<boolean,boolean>>|No
@@ -87,6 +88,19 @@ filter {
   }
 }
 
+[id="plugins-{type}s-{plugin}-parser_options"]
+===== `parser_options`
+
+* Value type is <<string,string>>
+
+Setting XML parser options allows for more control of the parsing process.
+By default the parser is non strict and thus accepts some invalid content.
+Multiple options are separated by a comma (e.g. `'strict,no_warning'`),
+currently supported options are:
+
+ - _strict_ - forces the parser to fail early when content is not valid xml
+ - _no_warning_ - allows to parse content when there are only warnings
+ - _no_error_ - allows to parse content on non fatal parser errors
 
 [id="plugins-{type}s-{plugin}-remove_namespaces"]
 ===== `remove_namespaces` 

logstash-filter-xml.gemspec

@@ -1,7 +1,7 @@
 Gem::Specification.new do |s|
 
   s.name            = 'logstash-filter-xml'
-  s.version         = '4.0.7'
+  s.version         = '4.1.0'
   s.licenses        = ['Apache License (2.0)']
   s.summary         = "Parses XML into fields"
   s.description     = "This gem is a Logstash plugin required to be installed on top of the Logstash core pipeline using $LS_HOME/bin/logstash-plugin install gemname. This gem is not a stand-alone program"