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).
Better ANSI support detection if there is an active sink().
Support ANSI markup in RStudio jobs.
ANSI color support detection works correctly now in older RStudio (#112).
ANSI color support detection works correctly now on older R versions (#109).
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.
Style functions convert arguments to character now
Autodetect RStudio ANSI support
col_align() gains type argument, default "width" (#54).
Removed dependency to memoise (@brodieG, #25)
Fixed a test case that changed the crayon.enabled setting, potentially (@brodieG)
Added crayon.colors option, to specify the number of colors explicitly
TERM=xterm and tput colors=8 will use 256 colors, as 256 colors are usually supported in this case (#17)
Support colors in ConEmu and cmder, on Windows
Fix color detection in Emacs tramp
col_strsplit and col_substr corner cases:
handle empty chunks at beginning or end of strings like base::strsplit (@brodieG, #26)
explicitly deal with ‘split’ values that are not length 1 as that is not currently supported
handle zero length x argument in col_substr, and add more explicit error messages for corner cases
Some performance improvements to col_substr (@brodieG)
Change rgb to ANSI code mapping, based on the “paint” ruby gem (@richfitz, #33, #34)
R CMD check problems.Colors are turned on by default in Emacs ESS 23.x and above.
Functions to turn on and off a style: start, finish.
Really fix tput corner cases (@jimhester, #21)
tput exists, but fails with an error and/or does not return anything useful. (@jimhester, #18, #19)Fix detection of number of colors, it was cached from installation time (#17).
Color aware string operations. They are slow and experimental currently.
show_ansi_colors() prints all supported colors on the screen.
256 colors, on terminals that support it.
Disable colors on Windows, they are not supported in the default setup.