327c875809
Upstream changes:
1.5.1
crayon now does not fail to install from source if the utils package is not loaded (#133).
1.5.0
You can use the new cli.default_num_colors option to set the default number of ANSI colors, only if ANSI support is otherwise detected. See the details in the manual of num_ansi_colors(). (From cli.)
crayon now install cleanly on R 3.4.x and R 3.5.x on Windows (#131).
1.4.2
Better ANSI support detection if there is an active sink().
Support ANSI markup in RStudio jobs.
1.4.1
ANSI color support detection works correctly now in older RStudio (#112).
ANSI color support detection works correctly now on older R versions (#109).
1.4.0
Overhauled and much improved detection of ANSI color support and number of ANSI colors.
NO_COLOR environment variable disables color (#64)
Now colors are turned on if ANSICON (https://github.com/adoxa/ansicon) is active.
New hyperlink() function to add hyperlinks to terminal output. The new has_hyperlink() function tests if the current stdout() supports this.
reset style now restores previous style for text following it (@brodieG, #35).
Warnings are no longer generated when the INSIDE_EMACS environment variable is set but does not include a version number.
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