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Created attachment 1238906 [details]
showcase example

Description of problem:
Attached shell script has mangled syntax - comments in subshell are not recognized, and that results in breakage for rest of the file

Version-Release number of selected component (if applicable):
vim-common-7.4.160-1.el7_3.1.x86_64

How reproducible:
reliably

Steps to Reproduce:
1. open attached script
2. 
3.

Actual results:
comments in subshell are not recognized, and apostrophe colors rest of the file as string

Expected results:
comments are comments, command is command, apostrophe is ignored

Additional info:

Note: Fedora has this fixed (vim-common-7.4.1989-2.fc25.x86_64)