Custom Sublime Text user settings (~/.config/sublime-text-3/Packages/User/Preferences.sublime-settings)

Preferences.sublime-settings

// Settings in here override those in "Default/Preferences.sublime-settings",
// and are overridden in turn by file type specific settings.
{
	// Columns in which to display vertical rulers
	"rulers": [80],

	// Set to true to turn spell checking on by default
	"spell_check": true,

	// The number of spaces a tab is considered equal to
	"tab_size": 4,

	// If enabled, will highlight any line with a caret
	"highlight_line": true,

	// Set to false to not highlight angle brackets. This only takes effect if
	// match_brackets is true
	"match_brackets_angle": true,

	// Set to false to disable scrolling past the end of the buffer.
	// On OS X, this value is overridden in the platform specific settings, so
	// you'll need to place this line in your user settings to override it.
	"scroll_past_end": false,

	// This controls what happens when pressing up or down when on the first
	// or last line.
	// On OS X, this value is overridden in the platform specific settings, so
	// you'll need to place this line in your user settings to override it.
	"move_to_limit_on_up_down": true,

	// Set to true to removing trailing white space on save
	"trim_trailing_white_space_on_save": true,

	// Set to true to ensure the last line of the file ends in a newline
	// character when saving
	"ensure_newline_at_eof_on_save": true,

	// Set to true to automatically save files when switching to a different file
	// or application
	"save_on_focus_lost": true,

	// Save via writing to an alternate file, and then renaming it over the
	// original file.
	"atomic_save": true,

	// By default, auto complete will commit the current completion on enter.
	// This setting can be used to make it complete on tab instead.
	// Completing on tab is generally a superior option, as it removes
	// ambiguity between committing the completion and inserting a newline.
	"auto_complete_commit_on_tab": true,

	// When auto_find_in_selection is enabled, the "Find in Selection" flag
	// will be enabled automatically when multiple lines of text are selected
	"auto_find_in_selection": true,

	// Makes tabs with modified files more visible
	"highlight_modified_tabs": true,

	// Show folders in the side bar in bold
	"bold_folder_labels": true,
}