Merge pull request progit#1161 from easybe/fixes

Fix style issues with macOS and PowerShell

Merge pull request progit#1160 from josh-byster/jb/reinitialization

Added clarification about repo re-initialization

Merge pull request progit#1157 from SuhaibMujahid/patch-1

Small edit to 10.5 Git Internals - The Refspec

Merge pull request progit#1155 from ajax333221/master

single-quote normalization

Merge pull request progit#1153 from limdor/fix_rebase_explanation

Clarify when is not recommended to rebase

Merge pull request progit#1145 from rpjday/topic/rpjday/maintaining

maintaining: explain how "git describe" works with lightweight tags

Merge pull request progit#1138 from rpjday/ch5

chapter 5: semantic cleanup of first part of chapter 5

Merge branch 'fix_1134'

Merge pull request progit#1136 from rpjday/ch4

chapter 4: numerous tweaks, rewordings and font changes

Merge pull request progit#1133 from rpjday/ch3

Chapter 3: numerous pedantic cleanups and rewording