minor fixes

CI: update to clang-format-18

Remove some unneeded parentheses

Remove multiple parentheses and extra semicolon

git grep -l -E "\(\([a-zA-Z0-9_]+\)\(\*[a-zA-Z0-9_]+\)[, )]" | xargs sed -r -i'' 's#\(\(([a-zA-Z0-9_]+)\)\(\*([a-zA-Z0-9_]+)\)([, )])#\(\(\1\)\*\2\3#g

Remove multiple parentheses and extra semicolon

git grep -l -E "\(\([a-zA-Z0-9_]+\)\(\*[a-zA-Z0-9_]+\)[, )]" | xargs sed -r -i'' 's#\(\(([a-zA-Z0-9_]+)\)\(\*([a-zA-Z0-9_]+)\)([, )])#\(\(\1\)\*\2\3#g'
git grep -l -E "Petsc(.)*\(\(\*[a-zA-Z0-9_]*\)," | xargs sed -r -i'' 's#Petsc([a-zA-Z0-9_]*)\(\(\*([a-zA-Z0-9_]*)\), #Petsc\1(*\2, #g'
git grep -l -E "([\!\&\~\*\(]|\)\)|\([^,\*\(]+\**\))\(([a-zA-Z0-9_]+((\.|->)[a-zA-Z0-9_]+|\[[a-zA-Z0-9_ \%\+\*\-]+\])+)\)" | xargs sed -r -i'' 's#([\!\&\~\*\(]|\)\)|\([^,\*\(]+\**\))\(([a-zA-Z0-9_]+((\.|->)[a-zA-Z0-9_]+|\[[a-zA-Z0-9_ \%\+\*\-]+\])+)\)#\1\2#g'

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checkbadSource: rules for PetscFunctionBegin and derivatives

Fix places where PetscUseTypeMethod() and related macros should be used.

Merge remote-tracking branch 'origin/release'

Minor: fix typos

PetscSF: flag packing events as non-collective

Merge remote-tracking branch 'origin/release'

Merge branch 'stefanozampini/fix-docs' into 'release'

fix docs

See merge request petsc/petsc!7181

Merge branch 'barry/2024-01-03/docs-c2html' into 'main'

Remove recursive build of c2html files; no longer uses classic makefiles

See merge request petsc/petsc!7167

Use < instead of " for includes of PETSc include files

And Remove unneeded duplicate includes

Co-Authored-by: Jose Roman <jroman@dsic.upv.es>

PETSCSFPACK: remove redundant event logging

this was creating deadlocks with log_sync on!

minor: fix typos

Missing calls to PetscSafePointerPlusOffset()

Fix "Extra spaces in test harness rules" in checkbadSource

Sys: add PetscSafePointerPlusOffset() to pacify UBSan

Revert 41751ff936f2543999449f2cc826710c93affeac and e062e8b5c69bd8f5e0f7bcfa9dba51a49804e758

Merge remote-tracking branch 'origin/release'

Minor fixes to website material

Merge branch 'barry/2023-12-22/rm-libbase' into 'main'

LIBBASE is no longer used in make so remove it

See merge request petsc/petsc!7139