COBOL - Error on interpretation of LENGH OF if FUNCTION ALL INTRINSIC is active

[FALLAI-Denis]

Development environment used

• Z Open Editor version: 4.3.0
• Editor Platform
  • [X] Visual Studio Code
  • [ ] Red Hat CodeReady Workspaces
  • [ ] Eclipse Che
  • [ ] Standalone Theia
• Editor Platform Version: 1.91.1
• Operating System: Windows 10 22H2
• Java Version: OpenJDK Runtime Environment Temurin-17.0.9+9
• [ ] Related to RSE API?
  • RSE API Plugin version:
  • Zowe CLI version:
  • Node.js version:
• Logs attached: no

Problem Description

When the FUNCTION ALL INTRINSIC declaration is active at the COBOL program level, using the LENGH OF special register triggers an error "LENGTH" expected instead of this input.

Observed behavior

Expected behavior

Probably the same error at origin but in a different context:

Also note a syntax highlighting issue if the length() function is used without its function prefix: