Incorporate the changes for the folding mechanism

It closes #7 on GitHub.

CHANGELOG.md

@@ -5,7 +5,12 @@ project adheres to [Semantic Versioning].
 
 ## [Unreleased]
 
-## Changed
+### Added
+
+- It adds three Java syntax groups in order to be able to fold multiline
+  comments, 'import' statement blocks and 'import static' statement blocks.
+
+### Changed
 
 - Change the name of some of the Java syntax group added by the plugin.
 
@@ -17,7 +22,7 @@ project adheres to [Semantic Versioning].
 
   + `javaOdysseyDottedClass` becomes `javaOdysseyDotOperator`.
 
-## Fixed
+### Fixed
 
 - Fix the Java highlight for nested class names in 'import' statements.
 

after/syntax/java.vim

@@ -44,6 +44,9 @@ syntax match   javaOdysseyGetStaticMethod "\%(\<import\>\s\+\<static\>\s\+\%(\w\
 syntax match   javaOdysseyGetStaticClass  "\%(\<import\>\s\+\<static\>\s\+\%(\w\+\.\)\+\)\@<=\%(\u\w*\)\%(\s*;\)\@="
 syntax match   javaOdysseyExtends         "\%(\<extends\>\s\+\)\@<=\%(\<\u\w*\>\)\%(<\%(\u\w*\|,\|\s\|<\|>\)*>\)\=" contains=javaOdysseyGeneric,javaOdysseySeparator
 syntax match   javaOdysseyImplements      "\%(\<implements\>\s\+\)\@<=\%(\<\u\w*\>\)\%(<\%(\u\w*\|,\|\s\|<\|>\)*>\)\=" contains=javaOdysseyGeneric,javaOdysseySeparator
+syntax region  javaOdysseyComment         start=+/\*+ end=+\*/+ transparent fold keepend
+syntax region  javaOdysseyImport          start=/\%(^import\)\@<=\s.\+;/ end=+^\s*$+ transparent fold keepend
+syntax region  javaOdysseyImportStatic    start=/\%(^import static\)\@<=\s.\+;/ end=+^\s*$+ transparent fold keepend
 
 " }}}
 " vim: foldmethod=marker