Better error for missing commas in array

[inkydragon]

1. The output of versioninfo()

   julia> versioninfo()
   Julia Version 1.10.0
   Commit 3120989f39b (2023-12-25 18:01 UTC)
   Build Info:
     Official https://julialang.org/ release
   Platform Info:
     OS: Linux (x86_64-linux-gnu)
     CPU: 32 × 13th Gen Intel(R) Core(TM) i9-13900HX
     WORD_SIZE: 64
     LIBM: libopenlibm
     LLVM: libLLVM-15.0.7 (ORCJIT, goldmont)
     Threads: 1 on 32 virtual cores

2. How you installed Julia: juliaup

3. MWE

[
    1.0, 2.0  
    # ......^ missing comma
    1e-6, 1e-8,
    rand(),
]

output

julia> [
           1.0, 2.0
           # ......^ missing comma
           1e-6, 1e-8,
           rand(),
       ]
ERROR: ParseError:
# Error @ REPL[135]:4:5
    # ......^ missing comma
#   ┌──────────
    1e-6, 1e-8,
    rand(),
#───────┘ ── Expected `]`
Stacktrace:
 [1] top-level scope
   @ none:1

Maybe add one more suggestion: "Maybe there is a missing comma in the array, please check"