Build: AI-201.8743.12.41.6776251, 202008191655,

AI-201.8743.12.41.6776251, JRE 1.8.0_242-release-1644-b3-6222593x64 JetBrains s.r.o, OS Linux(amd64) v5.4.0-45-generic, screens 3440x1440

AS: 4.1 RC 2; Kotlin plugin: 1.4.0-release-Studio4.1-1; Android Gradle Plugin: 4.1.0-rc01; Gradle: 6.5; NDK: from local.properties: (not specified), latest from SDK: 21.3.6528147; LLDB: pinned revision 3.1 not found, latest from SDK: (package not found); CMake: from local.properties: (not specified), latest from SDK: (not found), from PATH: 3.16.3

Trying to use auto complete for include attributes shows "No Suggestions"

Navigation Library: 2.3.0

Affected Android Studio:

4.0.1
4.1rc2
4.2c8

Repro steps:

create a new navigation file
start typing <include
try to use auto complete to show list of available attributes

Actual

Shows "No Suggestions"

Expected:

Should show popup with available attribute options. Acording to documentation https://developer.android.com/guide/navigation/navigation-design-graph#navigation_across_library_modules should show at least app:graph

Note: appNs is already added and it works on other tags e.g. argument

Please see attached video for more details.

Issue 167129280

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