extern C on jl_in_stackwalk
skip EXCEPTION_EXECUTE_HANDLER case for MSVC
Fixes mmap error when reading 0-byte files, issue #6321
Bind meta-backspace
Merge pull request #6334 from mbauman/meta-backspace

REPL: Bind meta-backspace to delete previous word
Fix test_approx_eq with complex NaNs
Explain "x < 0 && return 1" idiom

In the section on Conditional Evaluation, highlight Short-Circuit Evaluation as an alternative for very short if-statements.
In the section on Short-Circuit Evaluation, explain the idiom of "condition && statement", "condition || statement". 
Note that I don't know how this "doctest" stuff works, pls check my submission for correctness (I've copied/pasted straight from a Julia REPL).
Merge pull request #6336 from fabianlischka/patch-2

Explain "x < 0 && return 1" idiom
fix #6333 (repl tab completion replaces too much)
Add a kill buffer and implement yanking

Binds control-y to yank. The kill buffer (not a real kill-ring) is stored in MIState.
Merge pull request #6337 from mbauman/kill-yank

Add a kill buffer and implement yanking
fix #6335
eliminate StoredArray (fix #6212, #987); UniformScaling is no longer an AbstractArray (#5810)
rename completeLine->complete_line
Precompile REPL completion functions
Fix segfaults in REPL shell completions
Merge pull request #6230 from tkelman/msvc

Steps towards MSVC compatibility
do not quote in writedlm when called from print.
fixes #6305

quote columns if '"' appears anywhere within
ndigits: fix stack overflow when base is not already Int.
Merge pull request #6329 from cbecker/master

Fixes mmap error when reading 0-byte files, issue #6321