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Fix printing of certain words in free groups (if subexpressions occur as powers iteratedly then nonsense could be displayed, but the data internally was correct) #3847

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merged 2 commits into from
Jan 14, 2020
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Fix printing of certain words in free groups (if subexpressions occur as powers iteratedly then nonsense could be displayed, but the data internally was correct) #3847

merged 2 commits into from
Jan 14, 2020

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hulpke
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@hulpke hulpke commented Jan 13, 2020 •
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Re-indexing with temporary letters went wrong if there were already powers
stored.

close #3845

Text for release notes

An error in printing certain words in free groups (if subexpressions occur as powers iteratedly) was fixed

@hulpke
FIX: Printing of assoc. words if there are iterated powers
9701280 
Re-indexing with temporary letters went wrong if there were already powers
stored.

close gap-system#3845
@hulpke hulpke added kind: bug: wrong result Issues describing bugs that result in mathematically or otherwise wrong results, and PRs fixing them release notes: to be added PRs introducing changes that should be (but have not yet been) mentioned in the release notes backport-to-4.10 labels Jan 13, 2020
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Coverage decreased (-5.0e-05%) to 84.735% when pulling d66a27f on hulpke:fixes into 791286a on gap-system:master.

@hulpke hulpke merged commit b877da9 into gap-system:master Jan 14, 2020
fingolfin pushed a commit that referenced this pull request Jan 27, 2020
@hulpke @fingolfin
FIX: Printing of assoc. words if there are iterated powers (#3847)
d93cd78 
* FIX: Printing of assoc. words if there are iterated powers

Re-indexing with temporary letters went wrong if there were already powers
stored.

close #3845
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Backported in commit d93cd78

@fingolfin fingolfin changed the title FIX: Printing of assoc. words if there are iterated powers Fix printing of certain words in free groups (if subexpressions occur as powers iteratedly then nonsense could be displayed, but the data internally was correct) Jan 27, 2020
@fingolfin fingolfin added release notes: added PRs introducing changes that have since been mentioned in the release notes and removed release notes: to be added PRs introducing changes that should be (but have not yet been) mentioned in the release notes labels Jan 27, 2020
@olexandr-konovalov olexandr-konovalov added this to the GAP 4.11.0 milestone Feb 15, 2020
@olexandr-konovalov olexandr-konovalov mentioned this pull request Feb 19, 2021
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@fingolfin fingolfin fingolfin approved these changes

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backport-to-4.11-DONE kind: bug: wrong result Issues describing bugs that result in mathematically or otherwise wrong results, and PRs fixing them release notes: added PRs introducing changes that have since been mentioned in the release notes
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bug in view for words in a free group
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