diff --git a/platform/lang-impl/src/com/intellij/codeInsight/navigation/DocPreviewUtil.java b/platform/lang-impl/src/com/intellij/codeInsight/navigation/DocPreviewUtil.java
index 70c485b6b1cf..63d95d730fca 100644
--- a/platform/lang-impl/src/com/intellij/codeInsight/navigation/DocPreviewUtil.java
+++ b/platform/lang-impl/src/com/intellij/codeInsight/navigation/DocPreviewUtil.java
@@ -191,6 +191,10 @@ public class DocPreviewUtil {
// We don't want to perform the replacement then.
continue;
}
+ if (end - i > 1 && i > 0 && !ALLOWED_LINK_SEPARATORS.contains(text.charAt(i - 1))) {
+ // Similar situation but targets head match: from = 'TextRange', text = 'getTextRange()'.
+ continue;
+ }
text.replace(i, end, replaceTo);
int diff = replaceTo.length() - replaceFrom.length();
for (int j = 0; j < readOnlyChanges.size(); j++) {
diff --git a/platform/lang-impl/testSources/com/intellij/codeInsight/navigation/DocPreviewUtilTest.groovy b/platform/lang-impl/testSources/com/intellij/codeInsight/navigation/DocPreviewUtilTest.groovy
index 31b235dcd1ca..22df21db934c 100644
--- a/platform/lang-impl/testSources/com/intellij/codeInsight/navigation/DocPreviewUtilTest.groovy
+++ b/platform/lang-impl/testSources/com/intellij/codeInsight/navigation/DocPreviewUtilTest.groovy
@@ -147,7 +147,7 @@ Qname'''
}
@Test
- void substrings() {
+ void tailSubstrings() {
def header = '''\
PsiResolveHelperImpl
public static com.intellij.openapi.util.Pair<com.intellij.psi.PsiType, com.intellij.psi.ConstraintType> getSubstitutionForTypeParameterConstraint (com.intellij.psi.PsiTypeParameter typeParam, com.intellij.psi.PsiType param, com.intellij.psi.PsiType arg, boolean isContraVariantPosition, com.intellij.pom.java.LanguageLevel languageLevel)'''
@@ -164,4 +164,22 @@ public static com.intellij.openapi.util.Pair<com.intellij.psi.PsiType, com.in
assertEquals(expected, DocPreviewUtil.buildPreview(header, null, fullText))
}
+
+ @Test
+ void headSubstrings() {
+ def header = '''\
+ASTNode
+com.intellij.openapi.util.TextRange getTextRange ()'''
+
+ def fullText = '''\
+ com.intellij.lang.ASTNodeTextRange getTextRange()
+ Returns the text range (a combination of starting offset in the document and length) for this node.
+
+ - Returns:
- the text range.
'''
+
+ def expected = '''\
+ASTNode
TextRange getTextRange ()'''
+
+ assertEquals(expected, DocPreviewUtil.buildPreview(header, null, fullText))
+ }
}