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Pharo9: Lessons in "Learn Pharo" are now black and unreadable

HF
hedley.finger@gmail.com
Mon, Dec 27, 2021 1:52 AM

Ubuntu 20.04.3

Pharo-9.0.0+build.1573

I am a noob just getting started with Pharo.

After tuning some System preferences (e.g. switching to Pharo Light theme, etc.) the lessons in “Learn Pharo” available from the “Welcome” window are near black and unreadable.

When I click on “Learn Pharo” the initial page is okay (black or blue type on a black background) but doing ‘ProfStef go.’ messages opens the next lesson where all text has such a black background it is unreadable. Doing ‘ProfStef next.’ or ‘ProfStef previous.’ on subsequent pages opens a new page similarly illegible.

I’ve searched through all the System prefs but can’t figure out which one affects the lesson pages.

Regards, Hedley

Ubuntu 20.04.3 Pharo-9.0.0+build.1573 I am a noob just getting started with Pharo. After tuning some System preferences (e.g. switching to Pharo Light theme, etc.) the lessons in “Learn Pharo” available from the “Welcome” window are near black and unreadable. When I click on “Learn Pharo” the initial page is okay (black or blue type on a black background) but doing ‘`ProfStef go.`’ messages opens the next lesson where all text has such a black background it is unreadable. Doing ‘`ProfStef next.`’ or ‘`ProfStef previous.`’ on subsequent pages opens a new page similarly illegible. I’ve searched through all the System prefs but can’t figure out which one affects the lesson pages. Regards, Hedley