Docs: use labels instead of name field for admonitions

This seems to resolve the problem of these references not working
as expected with the LaTeX builder.

Merge branch 'psanan/docs-local-build-instructions-alert-classic' into 'release'

Docs: Update meta-docs, clarifying local build instructions

See merge request petsc/petsc!4554

Docs: Update meta-docs, clarifying local build instructions

* Make notes on requirements for local flex, gcc, and g++ more prominent
* Add explicit instructions (and warning) for LaTeX manual build

Docs: Update meta-docs, clarifying local build instructions

* Make notes on requirements for local flex, gcc, and g++ more prominent
* Add explicit instructions (and warning) for LaTeX manual build
* Move link to Sphinx's own documentation to "Sphinx Guidelines" section
* Move additional notes on Python 3 virtual environments to footnote
* Update instructions on local in-tree classic docs build

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Merge branch 'jacobf/2021-11-02/attribute-format-sys' into 'main'

Feature: PETSC_ATTRIBUTE_FORMAT - sys

See merge request petsc/petsc!4520

Merge branch 'tisaac/feature-ptrimmed-space' into 'main'

Add PETSCSPACEPTRIMMED and simplify PETSCSPACEPOLYNOMIAL

See merge request petsc/petsc!4469

Add PETSCSPACEPTRIMMED that wraps PetscDTPTrimmedEvalJet()

Reorganize index strides in PetscSpaceEvaluate_Ptrimmed

Document the addition of PETSCSPACEPTRIMMED

Add missing header entry

Squashme: r

Add PETSCSPACEPTRIMMED that wraps PetscDTPTrimmedEvalJet()

Reorganize index strides in PetscSpaceEvaluate_Ptrimmed

Document the addition of PETSCSPACEPTRIMMED

Add missing header entry

Squashme: remove extra space

Convert multicopy PETSCSPACEPTRIMMED to PETSCSPACESUM at setup if possible and fix index strides in evaluate

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Simplify PETSCSPACEPOLYNOMIAL

Remove PetscSpacePolynomial{Get,Set}Symmetric()

It never did anything, and there is no plan to use it.

Document and deprecate PetscSpacePolynomialGet/SetSymmetric

Sq

Simplify PETSCSPACEPOLYNOMIAL

Remove PetscSpacePolynomial{Get,Set}Symmetric()

It never did anything, and there is no plan to use it.

Document and deprecate PetscSpacePolynomialGet/SetSymmetric

Squashme: fix deprecated function impl

Remove PetscSpacePolynomialType

Convert PETSCSPACEPOLYNOMIAL to PETSCSPACETENSOR at setup if possible

Remove now unused code in PetscSpaceEvaluate_Polynomial

squashme: remove degrees field from PetscSpace_Polynomial

Convert PETSCSPACEPOLYNOMIAL to PETSCSPACESUM at setup if possible

Add CoordinateFunctions specifically for geometry hat functions

Switch a hat function basis to a coordinate basis to see if that fixes the bddc problem

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Merge remote-tracking branch 'origin/release'

Merge branch 'knepley/feature-plex-csr-overlap' into 'main'

Plex: Add a nother alternative for CSR grph creation

See merge request petsc/petsc!4527

Plex: Add a nother alternative for CSR grph creation

Add PetscHasAttribute and PETSC_ATTRIBUTE_FORMAT macros

move PETSc format specifiers to petscsystypes.h so they are defined as early as possible, and introduce PetscBLASInt_FMT, PETSC_MPI_COMM_FMT, and PETSC_MPI_WIN_FMT

Docs: move Argonne tech report sources to images repository

MATSEQAIJ: add MatSeqAIJ{Get,Restore}Array{Read,Write}

Merge branch 'psanan/ts-sundials-dense-2' into 'main'

TSSUNDIALS: Add option for dense solver and formally allow non-double precisions

See merge request petsc/petsc!4536

Merge remote-tracking branch 'origin/release'

Update petsc.bib

TSSUNDIALS: add option to use dense linear solver in serial

This option calls CVDense() internally, for debugging purposes
or for small serial systems where the default GMRES solver with CVSpgmr()
i

TSSUNDIALS: add option to use dense linear solver in serial

This option calls CVDense() internally, for debugging purposes
or for small serial systems where the default GMRES solver with CVSpgmr()
isn't desired.

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Merge remote-tracking branch 'origin/release'

Merge branch 'knepley/fix-hdf5-timestepping' into 'main'

Viewer+HDF5: Added a default timestepping flag for backwards compatibility

See merge request petsc/petsc!4483

Merge branch 'psanan/docs-fix-hacky-links' into 'release'

Docs: remove links specified as anchors

See merge request petsc/petsc!4515

Update petsc.bib

Viewer+HDF5: Added a default timestepping flag for backwards compatibility - Add a default timestepping flag - Added PetscViewerHDF5SetDefaultTimestepping() and PetscViewerHDF5GetDefaultTimestepping(

Viewer+HDF5: Added a default timestepping flag for backwards compatibility - Add a default timestepping flag - Added PetscViewerHDF5SetDefaultTimestepping() and PetscViewerHDF5GetDefaultTimestepping() - Added -viewer_hdf5_default_timestepping

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Docs: remove links specified as anchors

Remove some links in the "#anchor" style, which has no hope of working
outside of an HTML build.

Merge branch 'barry/2021-11-02/rm-petsc-version-patch' into 'main'

Remove deprecated PETSC_VERSION_PATCH so as to not have confusion with patch...

See merge request petsc/petsc!4518