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changeset 34632:a717b67d7241

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runtime(java): Recognise the inline kind of the {@return} tag (#14284) Commit: https://github.com/vim/vim/commit/8e59a7ba88776d5425bafc6eefd978de3312fcdf Author: Aliaksei Budavei <32549825+zzzyxwvut@users.noreply.github.com> Date: Mon Mar 25 18:18:28 2024 +0300 runtime(java): Recognise the inline kind of the {@return} tag (https://github.com/vim/vim/issues/14284) Also: - Refine comment matching (javaComment{Error\ and,Start}). - Continue rewriting regexps (prefer atom grouping with non-capturing parens; factor out common prefixes in alternations). - Allow for relative paths with the _file_ attribute of {@snippet}. - Anticipate HTML in the @see tags. - Match the nullary method parens in javaDocSeeTagParam. - Improve the boundary patterns for summary sentences of documentation. > This sentence ends at ... or at the first tag (as defined > below). There are Java documentation tags (@) and there are HTML tags (<?>) (with Markdown looming large; see JEP 467). With block tags, e.g. @param, @return, @see, we begin another documentation "sentence" whether or not the author has terminated the summary sentence with a period; with .<!-- -->, we may follow abbreviations, enumerations, initials, (but instead consider @literal or &nbsp;) _within_ the summary sentence. On the other hand, inline tags, e.g. @code, @link, @literal, should not terminate the summary sentence. References: https://bugs.openjdk.org/browse/JDK-8075778 https://www.oracle.com/technical-resources/articles/java/javadoc-tool.html#firstsentence https://docs.oracle.com/en/java/javase/21/docs/specs/javadoc/doc-comment-spec.html Signed-off-by: Aliaksei Budavei <0x000c70@gmail.com> Signed-off-by: Christian Brabandt <cb@256bit.org>
author Christian Brabandt <cb@256bit.org>
date Mon, 25 Mar 2024 16:30:10 +0100
parents 255155503142
children 45d13860879a
files runtime/syntax/java.vim runtime/syntax/testdir/dumps/java_comments_00.dump runtime/syntax/testdir/dumps/java_comments_01.dump runtime/syntax/testdir/dumps/java_comments_02.dump runtime/syntax/testdir/dumps/java_comments_03.dump runtime/syntax/testdir/dumps/java_comments_04.dump runtime/syntax/testdir/dumps/java_comments_99.dump runtime/syntax/testdir/input/java_comments.java
diffstat 8 files changed, 212 insertions(+), 76 deletions(-) [+]
line wrap: on
line diff
--- a/runtime/syntax/java.vim
+++ b/runtime/syntax/java.vim
@@ -2,7 +2,7 @@
 " Language:	Java
 " Maintainer:	Claudio Fleiner <claudio@fleiner.com>
 " URL:          https://github.com/fleiner/vim/blob/master/runtime/syntax/java.vim
-" Last Change:	2024 Mar 22
+" Last Change:	2024 Mar 24
 
 " Please check :help java.vim for comments on some of the options available.
 
@@ -191,17 +191,20 @@ if exists("java_comment_strings")
   syn cluster javaCommentSpecial2 add=javaComment2String,javaCommentCharacter,javaNumber,javaStrTempl
 endif
 
-syn region  javaComment		start="/\*" end="\*/" contains=@javaCommentSpecial,javaTodo,javaSpaceError,@Spell
+syn region  javaComment		matchgroup=javaCommentStart start="/\*" end="\*/" contains=@javaCommentSpecial,javaTodo,javaCommentError,javaSpaceError,@Spell
 syn match   javaCommentStar	 contained "^\s*\*[^/]"me=e-1
 syn match   javaCommentStar	 contained "^\s*\*$"
 syn match   javaLineComment	"//.*" contains=@javaCommentSpecial2,javaTodo,javaCommentMarkupTag,javaSpaceError,@Spell
-syn match   javaCommentMarkupTag contained "@\%(end\|highlight\|link\|replace\|start\)\>" nextgroup=javaCommentMarkupTagAttr skipwhite
-syn match   javaCommentMarkupTagAttr contained "\<region\>" nextgroup=javaCommentMarkupTagAttr skipwhite
-syn region  javaCommentMarkupTagAttr contained transparent matchgroup=htmlArg start=/\<\%(re\%(gex\|gion\|placement\)\|substring\|t\%(arget\|ype\)\)\%(\s*=\)\@=/ matchgroup=htmlString end=/\%(=\s*\)\@<=\%("[^"]\+"\|'[^']\+'\|\%([.-]\|\k\)\+\)/ nextgroup=javaCommentMarkupTagAttr skipwhite oneline
+syn match   javaCommentMarkupTag contained "@\%(end\|highlight\|link\|replace\|start\)\>" nextgroup=javaCommentMarkupTagAttr,javaSpaceError skipwhite
+syn match   javaCommentMarkupTagAttr contained "\<region\>" nextgroup=javaCommentMarkupTagAttr,javaSpaceError skipwhite
+syn region  javaCommentMarkupTagAttr contained transparent matchgroup=htmlArg start=/\<\%(re\%(gex\|gion\|placement\)\|substring\|t\%(arget\|ype\)\)\%(\s*=\)\@=/ matchgroup=htmlString end=/\%(=\s*\)\@<=\%("[^"]\+"\|'[^']\+'\|\%([.-]\|\k\)\+\)/ nextgroup=javaCommentMarkupTagAttr,javaSpaceError skipwhite oneline
 hi def link javaCommentMarkupTagAttr htmlArg
 hi def link javaCommentString javaString
 hi def link javaComment2String javaString
 hi def link javaCommentCharacter javaCharacter
+syn match   javaCommentError contained "/\*"me=e-1 display
+hi def link javaCommentError javaError
+hi def link javaCommentStart javaComment
 
 syn cluster javaTop add=javaComment,javaLineComment
 
@@ -215,17 +218,18 @@ if !exists("java_ignore_javadoc") && mai
   " here.
   syntax spell default
 
-  syn region javaDocComment	start="/\*\*" end="\*/" keepend contains=javaCommentTitle,@javaHtml,javaDocTags,javaDocSeeTag,javaDocCodeTag,javaDocSnippetTag,javaTodo,javaSpaceError,@Spell
-  syn region javaCommentTitle	contained matchgroup=javaDocComment start="/\*\*" matchgroup=javaCommentTitle keepend end="\.$" end="\.[ \t\r<&]"me=e-1 end="[^{]@"me=s-2,he=s-1 end="\*/"me=s-1,he=s-1 contains=@javaHtml,javaCommentStar,javaTodo,javaSpaceError,@Spell,javaDocTags,javaDocSeeTag,javaDocCodeTag,javaDocSnippetTag
+  syn region javaDocComment	start="/\*\*" end="\*/" keepend contains=javaCommentTitle,@javaHtml,javaDocTags,javaDocSeeTag,javaDocCodeTag,javaDocSnippetTag,javaTodo,javaCommentError,javaSpaceError,@Spell
+  syn region javaCommentTitle	contained matchgroup=javaDocComment start="/\*\*" matchgroup=javaCommentTitle end="\.$" end="\.[ \t\r]\@=" end="\%(^\s*\**\s*\)\@<=@"me=s-2,he=s-1 end="\*/"me=s-1,he=s-1 contains=@javaHtml,javaCommentStar,javaTodo,javaCommentError,javaSpaceError,@Spell,javaDocTags,javaDocSeeTag,javaDocCodeTag,javaDocSnippetTag
+  syn region javaCommentTitle	contained matchgroup=javaDocComment start="/\*\*\s*\r\=\n\=\s*\**\s*\%({@return\>\)\@=" matchgroup=javaCommentTitle end="}\%(\s*\.*\)*" contains=@javaHtml,javaCommentStar,javaTodo,javaCommentError,javaSpaceError,@Spell,javaDocTags,javaDocSeeTag,javaDocCodeTag,javaDocSnippetTag
   syn region javaDocTags	contained start="{@\%(li\%(teral\|nk\%(plain\)\=\)\|inherit[Dd]oc\|doc[rR]oot\|value\)\>" end="}"
-  syn match  javaDocTags	 contained "@\(param\|exception\|throws\|since\)\s\+\S\+" contains=javaDocParam
-  syn match  javaDocParam	 contained "\s\S\+"
-  syn match  javaDocTags	 contained "@\(version\|author\|return\|deprecated\|serial\|serialField\|serialData\)\>"
-  syn region javaDocSeeTag	 contained matchgroup=javaDocTags start="@see\s\+" matchgroup=NONE end="\_."re=e-1 contains=javaDocSeeTagParam
-  syn match  javaDocSeeTagParam  contained @"\_[^"]\+"\|<a\s\+\_.\{-}</a>\|\(\k\|\.\)*\(#\k\+\((\_[^)]\+)\)\=\)\=@ extend
+  syn match  javaDocTags	contained "@\%(param\|exception\|throws\|since\)\s\+\S\+" contains=javaDocParam
+  syn match  javaDocParam	contained "\s\S\+"
+  syn match  javaDocTags	contained "@\%(version\|author\|return\|deprecated\|serial\%(Field\|Data\)\=\)\>"
+  syn region javaDocSeeTag	contained matchgroup=javaDocTags start="@see\s\+" matchgroup=NONE end="\_."re=e-1 contains=javaDocSeeTagParam
+  syn match  javaDocSeeTagParam	contained @"\_[^"]\+"\|<a\s\+\_.\{-}</a>\|\%(\k\|\.\)*\%(#\k\+\%((\_[^)]*)\)\=\)\=@ contains=@javaHtml extend
   syn region javaCodeSkipBlock	contained transparent start="{\%(@code\>\)\@!" end="}" contains=javaCodeSkipBlock,javaDocCodeTag
   syn region javaDocCodeTag	contained start="{@code\>" end="}" contains=javaDocCodeTag,javaCodeSkipBlock
-  syn region javaDocSnippetTagAttr contained transparent matchgroup=htmlArg start=/\<\%(class\|file\|id\|lang\|region\)\%(\s*=\)\@=/ matchgroup=htmlString end=/:$/ end=/\%(=\s*\)\@<=\%("[^"]\+"\|'[^']\+'\|\%([.-]\|\k\)\+\)/ nextgroup=javaDocSnippetTagAttr skipwhite skipnl
+  syn region javaDocSnippetTagAttr contained transparent matchgroup=htmlArg start=/\<\%(class\|file\|id\|lang\|region\)\%(\s*=\)\@=/ matchgroup=htmlString end=/:$/ end=/\%(=\s*\)\@<=\%("[^"]\+"\|'[^']\+'\|\%([.\\/-]\|\k\)\+\)/ nextgroup=javaDocSnippetTagAttr skipwhite skipnl
   syn region javaSnippetSkipBlock contained transparent start="{\%(@snippet\>\)\@!" end="}" contains=javaSnippetSkipBlock,javaDocSnippetTag,javaCommentMarkupTag
   syn region javaDocSnippetTag	contained start="{@snippet\>" end="}" contains=javaDocSnippetTag,javaSnippetSkipBlock,javaDocSnippetTagAttr,javaCommentMarkupTag
   syntax case match
@@ -367,6 +371,13 @@ endif
 if !exists("java_minlines")
   let java_minlines = 10
 endif
+
+" Note that variations of a /*/ balanced comment, e.g., /*/*/, /*//*/,
+" /* /*/, /*  /*/, etc., may have their rightmost /*/ part accepted
+" as a comment start by ':syntax sync ccomment'; consider alternatives
+" to make synchronisation start further towards file's beginning by
+" bumping up g:java_minlines or issuing ':syntax sync fromstart' or
+" preferring &foldmethod set to 'syntax'.
 exec "syn sync ccomment javaComment minlines=" . java_minlines
 
 " The default highlighting.
--- a/runtime/syntax/testdir/dumps/java_comments_00.dump
+++ b/runtime/syntax/testdir/dumps/java_comments_00.dump
@@ -1,20 +1,20 @@
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--- a/runtime/syntax/testdir/dumps/java_comments_01.dump
+++ b/runtime/syntax/testdir/dumps/java_comments_01.dump
@@ -1,20 +1,20 @@
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+|-|3|.|h|t|m|l|#|j|l|s|-|3|.|1|0|.|5|"|>+0#00e0e07&|3+8#e000e06&|.|1|0|.|5| |S|t|r|i|n|g| |L|i|t|e|r|a|l|s|<+0#00e0e07&|/|a+0#af5f00255&|>+0#00e0e07&| +0#0000000&@28
+| +0#0000e05&@4|*| +0#e000e06&|@|s|e@1| |O+0#00e0e07&|b|j|e|c|t|#|t|o|S|t|r|i|n|g|(|)| +0#0000000&|*+0#e000e06&|/| +0#0000000&@42
+@4|/+0#0000e05&@1| |@+0#0000000&|s|t|a|r|t| +0#0000e05&|r+0#00e0003&|e|g|i|o|n| +0#0000e05&|=| |t+0#e000002&|o|S|t|r|i|n|g| +0#ffffff16#ff404010| +0#0000000#ffffff0@42
+@57|7|3|,|3|-|6| @7|9|3|%| 
--- a/runtime/syntax/testdir/dumps/java_comments_99.dump
+++ b/runtime/syntax/testdir/dumps/java_comments_99.dump
@@ -1,20 +1,20 @@
-| +0&#ffffff0@3|/+0#0000e05&|*@1| +0#ffffff16#ff404010| +0#0000000#ffffff0@66
-| +0#0000e05&@4|*| +0#e000e06&|T|h|e| |m|e|t|h|o|d| |{|@|c|o|d|e| |m|a|i|n|}| |m|u|s|t| |b|e| |d|e|c|l|a|r|e|d| |{|@|c|o|d|e| |p|u|b|l|i|c|}|,| |{|@|c|o|d|e| +0#0000000&@4
-| +0#e000e06&@4|*| |s|t|a|t|i|c|}|,| |a|n|d| |{|@|c|o|d|e| |v|o|i|d|}|.| +0#0000e05&@1|I|t| |m|u|s|t| |s|p|e|c|i|f|y| |a| |f|o|r|m|a|l| |p|a|r|a|m|e|t|e|r| +0#0000000&@5
-| +0#0000e05&@4|*| |w|h|o|s|e| |d|e|c|l|a|r|e|d| |t|y|p|e| |i|s| |a|r@1|a|y| |o|f| |{+0#e000e06&|@|l|i|n|k| |S|t|r|i|n|g|}|.+0#0000e05&| @1|T|h|e|r|e|f|o|r|e|,| +0#0000000&@8
-| +0#0000e05&@4|*| |e|i|t|h|e|r| |o|f| |t|h|e| |f|o|l@1|o|w|i|n|g| |d|e|c|l|a|r|a|t|i|o|n|s| |i|s| |a|c@1|e|p|t|a|b|l|e|:| +0#0000000&@16
-| +0#0000e05&@4|*| +0#ffffff16#ff404010| +0#0000e05#ffffff0|{+0#e000e06&|@|s|n|i|p@1|e|t| |l+0#00e0003&|a|n|g|=+0#e000e06&|"+0#e000002&|j|a|v|a|"|:+0#e000e06&| +0#0000000&@44
-| +0#e000e06&@4|*| |/@1| |@+0#0000000&|h|i|g|h|l|i|g|h|t| +0#e000e06&|s+0#00e0003&|u|b|s|t|r|i|n|g|=+0#e000e06&|"+0#e000002&|m|a|i|n|"| +0#e000e06&|t+0#00e0003&|y|p|e|=+0#e000e06&|"+0#e000002&|i|t|a|l|i|c|"|:+0#e000e06&| +0#0000000&@22
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-| +0#0000e05&@4|*| +0#0000000&@68
+| +0#0000e05#ffffff0@4|*| +0#0000000&@68
 | +0#0000e05&@4|*| |@+0#e000e06&|p|a|r|a|m| +0#00e0e07&|a|r|g|s| +0#0000e05&|o|p|t|i|o|n|a|l| |c+0&#ffd7d7255|o|m@1|a|n|d|e|-+0&#ffffff0|l|i|n|e| |a|r|g|u|m|e|n|t|s| +0#ffffff16#ff404010| +0#0000000#ffffff0@22
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+| +0#0000e05&@4|*| |@|j+0&#ffd7d7255|l|s| +0&#ffffff0|1|2|.|1|.|4| |I|n|v|o|k|e| |{+0#e000e06&|@|c|o|d|e| |T|e|s|t|.|m|a|i|n|}| +0#0000e05&|*|/| +0#0000000&@28
+@4|/+0#0000e05&@1| |@+0#0000000&|s|t|a|r|t| +0#0000e05&|r+0#00e0003&|e|g|i|o|n| +0#0000e05&|=| |m+0#e000002&|a|i|n| +0#ffffff16#ff404010@4| +0#0000000#ffffff0@42
 @4|/+0#0000e05&@1| |@+0#0000000&|l|i|n|k| +0#0000e05&|s+0#00e0003&|u|b|s|t|r|i|n|g| +0#0000e05&|=| |'+0#e000002&|S|t|r|i|n|g|'| +0#0000e05&|t+0#00e0003&|a|r|g|e|t| +0#0000e05&|=| |'+0#e000002&|j|a|v|a|.|l|a|n|g|.|S|t|r|i|n|g|'| +0#0000e05&|:| +0#0000000&@11
 @4|p+0#00e0003&|u|b|l|i|c| +0#0000000&|s+0#00e0003&|t|a|t|i|c| +0#0000000&|v+0#00e0003&|o|i|d| +0#0000000&|m|a|i|n|(|S|t|r|i|n|g|[|]| |a|r|g|s|)| |{| |}| @28
-@4|/+0#0000e05&@1| |@+0#0000000&|e|n|d| @63
+@4|/+0#0000e05&@1| |@+0#0000000&|e|n|d| +0#ffffff16#ff404010| +0#0000000#ffffff0@62
+@75
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+|-|3|.|h|t|m|l|#|j|l|s|-|3|.|1|0|.|5|"|>+0#00e0e07&|3+8#e000e06&|.|1|0|.|5| |S|t|r|i|n|g| |L|i|t|e|r|a|l|s|<+0#00e0e07&|/|a+0#af5f00255&|>+0#00e0e07&| +0#0000000&@28
+| +0#0000e05&@4|*| +0#e000e06&|@|s|e@1| |O+0#00e0e07&|b|j|e|c|t|#|t|o|S|t|r|i|n|g|(|)| +0#0000000&|*+0#e000e06&|/| +0#0000000&@42
+@4|/+0#0000e05&@1| |@+0#0000000&|s|t|a|r|t| +0#0000e05&|r+0#00e0003&|e|g|i|o|n| +0#0000e05&|=| |t+0#e000002&|o|S|t|r|i|n|g| +0#ffffff16#ff404010| +0#0000000#ffffff0@42
+@4|/+0#0000e05&@1| |@+0#0000000&|r|e|p|l|a|c|e| +0#0000e05&|s+0#00e0003&|u|b|s|t|r|i|n|g| +0#0000e05&|=| |'+0#e000002&|"@1|'| +0#0000e05&|r+0#00e0003&|e|p|l|a|c|e|m|e|n|t| +0#0000e05&|=| |"+0#e000002&|\|u|0@1|2@1|\|u|0@1|2@1|"| +0#0000000&@13
+@4|/+0#0000e05&@1| |@+0#0000000&|l|i|n|k| +0#0000e05&|r+0#00e0003&|e|g|e|x| +0#0000e05&|=| |'+0#e000002&|\|b|S|t|r|i|n|g|'| +0#0000e05&|t+0#00e0003&|a|r|g|e|t| +0#0000e05&|=| |j+0#e000002&|a|v|a|.|l|a|n|g|.|S|t|r|i|n|g| +0#0000e05&|t+0#00e0003&|y|p|e| +0#0000e05&|=| |l+0#e000002&|i|n|k|p|l|a|i|n| +0#0000e05&
+|:| +0#0000000&@73
+@4|@+0#e000e06&|O|v|e|r@1|i|d|e| +0#0000000&|p+0#00e0003&|u|b|l|i|c| +0#0000000&|S|t|r|i|n|g| |t|o|S|t|r|i|n|g|(|)| |{| |r+0#af5f00255&|e|t|u|r|n| +0#0000000&|"+0#e000002&@1|;+0#0000000&| |}| @21
+@4|/+0#0000e05&@1| |@+0#0000000&|e|n|d| +0#ffffff16#ff404010| +0#0000000#ffffff0@62
 >}| @73
-@57|2|5|,|1| @9|B|o|t| 
+@57|9|0|,|1| @9|B|o|t| 
--- a/runtime/syntax/testdir/input/java_comments.java
+++ b/runtime/syntax/testdir/input/java_comments.java
@@ -1,11 +1,68 @@
-// VIM_TEST_SETUP unlet! g:java_ignore_javadoc g:java_no_trail_space_error 
-// VIM_TEST_SETUP unlet! g:java_no_tab_space_error	
+// VIM_TEST_SETUP unlet! g:java_ignore_javadoc g:java_no_trail_space_error
+// VIM_TEST_SETUP unlet! g:java_no_tab_space_error
 // VIM_TEST_SETUP let [g:java_space_errors,g:java_comment_strings] = [1,1]
-// 	VIM_TEST_SETUP setlocal spell
+// VIM_TEST_SETUP setlocal spell | highlight link javaCommentStart Todo
+
+
+
+
+/**/ /*/ */ /* /*/ /*/*/ /*//*/ /** Comment tests.
+ * <p>There is no entry point method {@code main}:
+ * {@snippet file = Snippets.java region = main id = _01}
+ * <p>There is no textual representation:
+ * {@snippet class = Snippets region = toString id = _02} */
 class CommentsTests
-{	/* 	TRAILING BLANKS AND MESSPILLINGS ARE SIGNIFICANT! */ 	
-	/**	
-	 * The method {@code main} must be declared {@code public}, {@code
+{
+	/** No-op, i. e. no operation.
+	* ({@literal@literal} may be used with {@code .} for contraction.)
+	* @return {@code null} */
+	Void noOp1() { return null; }
+
+	/** No-op, i.e. no operation.
+	* ({@literal<!-- -->} may be used after {@code .} for contraction.)
+	* @return {@code null} */
+	Void noOp2() { return null; }
+
+	/** No-op, i.e\u002e no operation.
+	* ({@literal\u005cu002e} is processed early, use alternatives.)
+	* @return {@code null} */
+	Void noOp3() { return null; }
+
+	/** No-op, i.e{@literal .} no operation.
+	* @return {@code null} */
+	Void noOp4() { return null; }
+
+	/** No-op, i.e.<!-- --> no operation.
+	* @return {@code null} */
+	Void noOp5() { return null; }
+
+	/** No-op, i.e.&nbsp;no operation.
+	* @return {@code null} */
+	Void noOp6() { return null; }
+
+	/** {@return {@code null}, with no-op, i.e. no operation} */
+	Void noOp7() { return null; }
+
+	/** {@return {@code null}, with no-op, i.e. no operation}.. */
+	Void noOp8() { return null; }
+
+	/** {@return {@code null}, with no-op, i.e. no operation} . . */
+	Void noOp9() { return null; }
+
+	/** Returns an empty string for an @Override annotated method
+	* (see Chapter 9.6.4.4 {@literal @Override} in a Java Language
+	* Specification) overridden from <code>java.lang.Object</code>
+	*
+	* @return an empty string */// No period for the above summary!
+	@Override public String toString() { return ""; }
+}
+
+// javadoc --snippet-path . --source-path . -d /tmp/doc/ -package \
+// 	-tag 'jls:a:See Java Language Specification:' Snippets.java
+/** Snippets for comment tests. */
+class Snippets
+{	/* 	TRAILING BLANKS AND MESSPILLINGS ARE SIGNIFICANT! */
+	/** The method {@code main} must be declared {@code public}, {@code
 	 * static}, and {@code void}.  It must specify a formal parameter
 	 * whose declared type is array of {@link String}.  Therefore,
 	 * either of the following declarations is acceptable:
@@ -16,10 +73,18 @@ class CommentsTests
 	 *{@code public static void main(String... args) { }}</pre>
 	 *
 	 * @param args optional commande-line arguments 
-	 * @jls 12.1.4 Invoke {@code Test.main}
-	 */
-	// @start region = main
+	 * @jls 12.1.4 Invoke {@code Test.main} */
+	// @start region = main		
 	// @link substring = 'String' target = 'java.lang.String' :
 	public static void main(String[] args) { }
-	// @end
+	// @end 
+
+	/** {@return an empty string}	
+	 * @see <a href="https://docs.oracle.com/javase/specs/jls/se21/html/jls-3.html#jls-3.10.5">3.10.5 String Literals</a>
+	 * @see Object#toString() */
+	// @start region = toString	
+	// @replace substring = '""' replacement = "\u0022\u0022"
+	// @link regex = '\bString' target = java.lang.String type = linkplain :
+	@Override public String toString() { return ""; }
+	// @end 
 }