Restoring authorship annotation for <ilezhankin@yandex-team.ru>. Commit 1 of 2.

1 files changed, 393 insertions, 393 deletions

diff --git a/contrib/python/Pygments/py3/pygments/lexers/theorem.py b/contrib/python/Pygments/py3/pygments/lexers/theorem.py
index a7f4330a54..b0cda344a4 100644
--- a/contrib/python/Pygments/py3/pygments/lexers/theorem.py
+++ b/contrib/python/Pygments/py3/pygments/lexers/theorem.py
@@ -1,398 +1,398 @@
-"""
-    pygments.lexers.theorem
-    ~~~~~~~~~~~~~~~~~~~~~~~
-
-    Lexers for theorem-proving languages.
-
+""" 
+    pygments.lexers.theorem 
+    ~~~~~~~~~~~~~~~~~~~~~~~ 
+ 
+    Lexers for theorem-proving languages. 
+ 
     :copyright: Copyright 2006-2021 by the Pygments team, see AUTHORS.
-    :license: BSD, see LICENSE for details.
-"""
-
-import re
-
-from pygments.lexer import RegexLexer, default, words
-from pygments.token import Text, Comment, Operator, Keyword, Name, String, \
-    Number, Punctuation, Generic
-
-__all__ = ['CoqLexer', 'IsabelleLexer', 'LeanLexer']
-
-
-class CoqLexer(RegexLexer):
-    """
-    For the `Coq <http://coq.inria.fr/>`_ theorem prover.
-
-    .. versionadded:: 1.5
-    """
-
-    name = 'Coq'
-    aliases = ['coq']
-    filenames = ['*.v']
-    mimetypes = ['text/x-coq']
-
+    :license: BSD, see LICENSE for details. 
+""" 
+ 
+import re 
+ 
+from pygments.lexer import RegexLexer, default, words 
+from pygments.token import Text, Comment, Operator, Keyword, Name, String, \ 
+    Number, Punctuation, Generic 
+ 
+__all__ = ['CoqLexer', 'IsabelleLexer', 'LeanLexer'] 
+ 
+ 
+class CoqLexer(RegexLexer): 
+    """ 
+    For the `Coq <http://coq.inria.fr/>`_ theorem prover. 
+ 
+    .. versionadded:: 1.5 
+    """ 
+ 
+    name = 'Coq' 
+    aliases = ['coq'] 
+    filenames = ['*.v'] 
+    mimetypes = ['text/x-coq'] 
+ 
     flags = re.UNICODE
 
-    keywords1 = (
-        # Vernacular commands
-        'Section', 'Module', 'End', 'Require', 'Import', 'Export', 'Variable',
+    keywords1 = ( 
+        # Vernacular commands 
+        'Section', 'Module', 'End', 'Require', 'Import', 'Export', 'Variable', 
         'Variables', 'Parameter', 'Parameters', 'Axiom', 'Axioms', 'Hypothesis',
-        'Hypotheses', 'Notation', 'Local', 'Tactic', 'Reserved', 'Scope',
+        'Hypotheses', 'Notation', 'Local', 'Tactic', 'Reserved', 'Scope', 
         'Open', 'Close', 'Bind', 'Delimit', 'Definition', 'Example', 'Let',
         'Ltac', 'Fixpoint', 'CoFixpoint', 'Morphism', 'Relation', 'Implicit',
         'Arguments', 'Types', 'Set', 'Unset', 'Contextual', 'Strict', 'Prenex',
-        'Implicits', 'Inductive', 'CoInductive', 'Record', 'Structure',
+        'Implicits', 'Inductive', 'CoInductive', 'Record', 'Structure', 
         'Variant', 'Canonical', 'Coercion', 'Theorem', 'Lemma', 'Fact',
         'Remark', 'Corollary', 'Proposition', 'Property', 'Goal',
         'Proof', 'Restart', 'Save', 'Qed', 'Defined', 'Abort', 'Admitted',
         'Hint', 'Resolve', 'Rewrite', 'View', 'Search',
-        'Show', 'Print', 'Printing', 'All', 'Graph', 'Projections', 'inside',
-        'outside', 'Check', 'Global', 'Instance', 'Class', 'Existing',
-        'Universe', 'Polymorphic', 'Monomorphic', 'Context'
-    )
-    keywords2 = (
-        # Gallina
-        'forall', 'exists', 'exists2', 'fun', 'fix', 'cofix', 'struct',
-        'match', 'end',  'in', 'return', 'let', 'if', 'is', 'then', 'else',
-        'for', 'of', 'nosimpl', 'with', 'as',
-    )
-    keywords3 = (
-        # Sorts
+        'Show', 'Print', 'Printing', 'All', 'Graph', 'Projections', 'inside', 
+        'outside', 'Check', 'Global', 'Instance', 'Class', 'Existing', 
+        'Universe', 'Polymorphic', 'Monomorphic', 'Context' 
+    ) 
+    keywords2 = ( 
+        # Gallina 
+        'forall', 'exists', 'exists2', 'fun', 'fix', 'cofix', 'struct', 
+        'match', 'end',  'in', 'return', 'let', 'if', 'is', 'then', 'else', 
+        'for', 'of', 'nosimpl', 'with', 'as', 
+    ) 
+    keywords3 = ( 
+        # Sorts 
         'Type', 'Prop', 'SProp',
-    )
-    keywords4 = (
-        # Tactics
-        'pose', 'set', 'move', 'case', 'elim', 'apply', 'clear', 'hnf', 'intro',
-        'intros', 'generalize', 'rename', 'pattern', 'after', 'destruct',
-        'induction', 'using', 'refine', 'inversion', 'injection', 'rewrite',
-        'congr', 'unlock', 'compute', 'ring', 'field', 'replace', 'fold',
-        'unfold', 'change', 'cutrewrite', 'simpl', 'have', 'suff', 'wlog',
-        'suffices', 'without', 'loss', 'nat_norm', 'assert', 'cut', 'trivial',
-        'revert', 'bool_congr', 'nat_congr', 'symmetry', 'transitivity', 'auto',
-        'split', 'left', 'right', 'autorewrite', 'tauto', 'setoid_rewrite',
-        'intuition', 'eauto', 'eapply', 'econstructor', 'etransitivity',
-        'constructor', 'erewrite', 'red', 'cbv', 'lazy', 'vm_compute',
-        'native_compute', 'subst',
-    )
-    keywords5 = (
-        # Terminators
+    ) 
+    keywords4 = ( 
+        # Tactics 
+        'pose', 'set', 'move', 'case', 'elim', 'apply', 'clear', 'hnf', 'intro', 
+        'intros', 'generalize', 'rename', 'pattern', 'after', 'destruct', 
+        'induction', 'using', 'refine', 'inversion', 'injection', 'rewrite', 
+        'congr', 'unlock', 'compute', 'ring', 'field', 'replace', 'fold', 
+        'unfold', 'change', 'cutrewrite', 'simpl', 'have', 'suff', 'wlog', 
+        'suffices', 'without', 'loss', 'nat_norm', 'assert', 'cut', 'trivial', 
+        'revert', 'bool_congr', 'nat_congr', 'symmetry', 'transitivity', 'auto', 
+        'split', 'left', 'right', 'autorewrite', 'tauto', 'setoid_rewrite', 
+        'intuition', 'eauto', 'eapply', 'econstructor', 'etransitivity', 
+        'constructor', 'erewrite', 'red', 'cbv', 'lazy', 'vm_compute', 
+        'native_compute', 'subst', 
+    ) 
+    keywords5 = ( 
+        # Terminators 
         'by', 'now', 'done', 'exact', 'reflexivity',
         'tauto', 'romega', 'omega', 'lia', 'nia', 'lra', 'nra', 'psatz',
-        'assumption', 'solve', 'contradiction', 'discriminate',
-        'congruence',
-    )
-    keywords6 = (
-        # Control
-        'do', 'last', 'first', 'try', 'idtac', 'repeat',
-    )
-    # 'as', 'assert', 'begin', 'class', 'constraint', 'do', 'done',
-    # 'downto', 'else', 'end', 'exception', 'external', 'false',
-    # 'for', 'fun', 'function', 'functor', 'if', 'in', 'include',
-    # 'inherit', 'initializer', 'lazy', 'let', 'match', 'method',
-    # 'module', 'mutable', 'new', 'object', 'of', 'open', 'private',
-    # 'raise', 'rec', 'sig', 'struct', 'then', 'to', 'true', 'try',
-    # 'type', 'val', 'virtual', 'when', 'while', 'with'
-    keyopts = (
-        '!=', '#', '&', '&&', r'\(', r'\)', r'\*', r'\+', ',', '-', r'-\.',
-        '->', r'\.', r'\.\.', ':', '::', ':=', ':>', ';', ';;', '<', '<-',
-        '<->', '=', '>', '>]', r'>\}', r'\?', r'\?\?', r'\[', r'\[<', r'\[>',
-        r'\[\|', ']', '_', '`', r'\{', r'\{<', r'\|', r'\|]', r'\}', '~', '=>',
-        r'/\\', r'\\/', r'\{\|', r'\|\}',
+        'assumption', 'solve', 'contradiction', 'discriminate', 
+        'congruence', 
+    ) 
+    keywords6 = ( 
+        # Control 
+        'do', 'last', 'first', 'try', 'idtac', 'repeat', 
+    ) 
+    # 'as', 'assert', 'begin', 'class', 'constraint', 'do', 'done', 
+    # 'downto', 'else', 'end', 'exception', 'external', 'false', 
+    # 'for', 'fun', 'function', 'functor', 'if', 'in', 'include', 
+    # 'inherit', 'initializer', 'lazy', 'let', 'match', 'method', 
+    # 'module', 'mutable', 'new', 'object', 'of', 'open', 'private', 
+    # 'raise', 'rec', 'sig', 'struct', 'then', 'to', 'true', 'try', 
+    # 'type', 'val', 'virtual', 'when', 'while', 'with' 
+    keyopts = ( 
+        '!=', '#', '&', '&&', r'\(', r'\)', r'\*', r'\+', ',', '-', r'-\.', 
+        '->', r'\.', r'\.\.', ':', '::', ':=', ':>', ';', ';;', '<', '<-', 
+        '<->', '=', '>', '>]', r'>\}', r'\?', r'\?\?', r'\[', r'\[<', r'\[>', 
+        r'\[\|', ']', '_', '`', r'\{', r'\{<', r'\|', r'\|]', r'\}', '~', '=>', 
+        r'/\\', r'\\/', r'\{\|', r'\|\}', 
         # 'Π', 'Σ', # Not defined in the standard library
         'λ', '¬', '∧', '∨', '∀', '∃', '→', '↔', '≠', '≤', '≥',
-    )
-    operators = r'[!$%&*+\./:<=>?@^|~-]'
-    prefix_syms = r'[!?~]'
-    infix_syms = r'[=<>@^|&+\*/$%-]'
-
-    tokens = {
-        'root': [
-            (r'\s+', Text),
-            (r'false|true|\(\)|\[\]', Name.Builtin.Pseudo),
-            (r'\(\*', Comment, 'comment'),
-            (words(keywords1, prefix=r'\b', suffix=r'\b'), Keyword.Namespace),
-            (words(keywords2, prefix=r'\b', suffix=r'\b'), Keyword),
-            (words(keywords3, prefix=r'\b', suffix=r'\b'), Keyword.Type),
-            (words(keywords4, prefix=r'\b', suffix=r'\b'), Keyword),
-            (words(keywords5, prefix=r'\b', suffix=r'\b'), Keyword.Pseudo),
-            (words(keywords6, prefix=r'\b', suffix=r'\b'), Keyword.Reserved),
-            # (r'\b([A-Z][\w\']*)(\.)', Name.Namespace, 'dotted'),
-            (r'\b([A-Z][\w\']*)', Name),
-            (r'(%s)' % '|'.join(keyopts[::-1]), Operator),
-            (r'(%s|%s)?%s' % (infix_syms, prefix_syms, operators), Operator),
-
-            (r"[^\W\d][\w']*", Name),
-
-            (r'\d[\d_]*', Number.Integer),
-            (r'0[xX][\da-fA-F][\da-fA-F_]*', Number.Hex),
-            (r'0[oO][0-7][0-7_]*', Number.Oct),
-            (r'0[bB][01][01_]*', Number.Bin),
-            (r'-?\d[\d_]*(.[\d_]*)?([eE][+\-]?\d[\d_]*)', Number.Float),
-
+    ) 
+    operators = r'[!$%&*+\./:<=>?@^|~-]' 
+    prefix_syms = r'[!?~]' 
+    infix_syms = r'[=<>@^|&+\*/$%-]' 
+ 
+    tokens = { 
+        'root': [ 
+            (r'\s+', Text), 
+            (r'false|true|\(\)|\[\]', Name.Builtin.Pseudo), 
+            (r'\(\*', Comment, 'comment'), 
+            (words(keywords1, prefix=r'\b', suffix=r'\b'), Keyword.Namespace), 
+            (words(keywords2, prefix=r'\b', suffix=r'\b'), Keyword), 
+            (words(keywords3, prefix=r'\b', suffix=r'\b'), Keyword.Type), 
+            (words(keywords4, prefix=r'\b', suffix=r'\b'), Keyword), 
+            (words(keywords5, prefix=r'\b', suffix=r'\b'), Keyword.Pseudo), 
+            (words(keywords6, prefix=r'\b', suffix=r'\b'), Keyword.Reserved), 
+            # (r'\b([A-Z][\w\']*)(\.)', Name.Namespace, 'dotted'), 
+            (r'\b([A-Z][\w\']*)', Name), 
+            (r'(%s)' % '|'.join(keyopts[::-1]), Operator), 
+            (r'(%s|%s)?%s' % (infix_syms, prefix_syms, operators), Operator), 
+ 
+            (r"[^\W\d][\w']*", Name), 
+ 
+            (r'\d[\d_]*', Number.Integer), 
+            (r'0[xX][\da-fA-F][\da-fA-F_]*', Number.Hex), 
+            (r'0[oO][0-7][0-7_]*', Number.Oct), 
+            (r'0[bB][01][01_]*', Number.Bin), 
+            (r'-?\d[\d_]*(.[\d_]*)?([eE][+\-]?\d[\d_]*)', Number.Float), 
+ 
             (r"'(?:(\\[\\\"'ntbr ])|(\\[0-9]{3})|(\\x[0-9a-fA-F]{2}))'", String.Char),
 
-            (r"'.'", String.Char),
-            (r"'", Keyword),  # a stray quote is another syntax element
-
-            (r'"', String.Double, 'string'),
-
-            (r'[~?][a-z][\w\']*:', Name),
+            (r"'.'", String.Char), 
+            (r"'", Keyword),  # a stray quote is another syntax element 
+ 
+            (r'"', String.Double, 'string'), 
+ 
+            (r'[~?][a-z][\w\']*:', Name), 
             (r'\S', Name.Builtin.Pseudo),
-        ],
-        'comment': [
-            (r'[^(*)]+', Comment),
-            (r'\(\*', Comment, '#push'),
-            (r'\*\)', Comment, '#pop'),
-            (r'[(*)]', Comment),
-        ],
-        'string': [
-            (r'[^"]+', String.Double),
-            (r'""', String.Double),
-            (r'"', String.Double, '#pop'),
-        ],
-        'dotted': [
-            (r'\s+', Text),
-            (r'\.', Punctuation),
-            (r'[A-Z][\w\']*(?=\s*\.)', Name.Namespace),
-            (r'[A-Z][\w\']*', Name.Class, '#pop'),
-            (r'[a-z][a-z0-9_\']*', Name, '#pop'),
-            default('#pop')
-        ],
-    }
-
-    def analyse_text(text):
+        ], 
+        'comment': [ 
+            (r'[^(*)]+', Comment), 
+            (r'\(\*', Comment, '#push'), 
+            (r'\*\)', Comment, '#pop'), 
+            (r'[(*)]', Comment), 
+        ], 
+        'string': [ 
+            (r'[^"]+', String.Double), 
+            (r'""', String.Double), 
+            (r'"', String.Double, '#pop'), 
+        ], 
+        'dotted': [ 
+            (r'\s+', Text), 
+            (r'\.', Punctuation), 
+            (r'[A-Z][\w\']*(?=\s*\.)', Name.Namespace), 
+            (r'[A-Z][\w\']*', Name.Class, '#pop'), 
+            (r'[a-z][a-z0-9_\']*', Name, '#pop'), 
+            default('#pop') 
+        ], 
+    } 
+ 
+    def analyse_text(text): 
         if 'Qed' in text and 'Proof' in text:
             return 1
-
-
-class IsabelleLexer(RegexLexer):
-    """
-    For the `Isabelle <http://isabelle.in.tum.de/>`_ proof assistant.
-
-    .. versionadded:: 2.0
-    """
-
-    name = 'Isabelle'
-    aliases = ['isabelle']
-    filenames = ['*.thy']
-    mimetypes = ['text/x-isabelle']
-
-    keyword_minor = (
-        'and', 'assumes', 'attach', 'avoids', 'binder', 'checking',
-        'class_instance', 'class_relation', 'code_module', 'congs',
-        'constant', 'constrains', 'datatypes', 'defines', 'file', 'fixes',
-        'for', 'functions', 'hints', 'identifier', 'if', 'imports', 'in',
-        'includes', 'infix', 'infixl', 'infixr', 'is', 'keywords', 'lazy',
-        'module_name', 'monos', 'morphisms', 'no_discs_sels', 'notes',
-        'obtains', 'open', 'output', 'overloaded', 'parametric', 'permissive',
-        'pervasive', 'rep_compat', 'shows', 'structure', 'type_class',
-        'type_constructor', 'unchecked', 'unsafe', 'where',
-    )
-
-    keyword_diag = (
-        'ML_command', 'ML_val', 'class_deps', 'code_deps', 'code_thms',
-        'display_drafts', 'find_consts', 'find_theorems', 'find_unused_assms',
-        'full_prf', 'help', 'locale_deps', 'nitpick', 'pr', 'prf',
-        'print_abbrevs', 'print_antiquotations', 'print_attributes',
-        'print_binds', 'print_bnfs', 'print_bundles',
-        'print_case_translations', 'print_cases', 'print_claset',
-        'print_classes', 'print_codeproc', 'print_codesetup',
-        'print_coercions', 'print_commands', 'print_context',
-        'print_defn_rules', 'print_dependencies', 'print_facts',
-        'print_induct_rules', 'print_inductives', 'print_interps',
-        'print_locale', 'print_locales', 'print_methods', 'print_options',
-        'print_orders', 'print_quot_maps', 'print_quotconsts',
-        'print_quotients', 'print_quotientsQ3', 'print_quotmapsQ3',
-        'print_rules', 'print_simpset', 'print_state', 'print_statement',
-        'print_syntax', 'print_theorems', 'print_theory', 'print_trans_rules',
-        'prop', 'pwd', 'quickcheck', 'refute', 'sledgehammer', 'smt_status',
-        'solve_direct', 'spark_status', 'term', 'thm', 'thm_deps', 'thy_deps',
-        'try', 'try0', 'typ', 'unused_thms', 'value', 'values', 'welcome',
-        'print_ML_antiquotations', 'print_term_bindings', 'values_prolog',
-    )
-
-    keyword_thy = ('theory', 'begin', 'end')
-
-    keyword_section = ('header', 'chapter')
-
-    keyword_subsection = (
-        'section', 'subsection', 'subsubsection', 'sect', 'subsect',
-        'subsubsect',
-    )
-
-    keyword_theory_decl = (
-        'ML', 'ML_file', 'abbreviation', 'adhoc_overloading', 'arities',
-        'atom_decl', 'attribute_setup', 'axiomatization', 'bundle',
-        'case_of_simps', 'class', 'classes', 'classrel', 'codatatype',
-        'code_abort', 'code_class', 'code_const', 'code_datatype',
-        'code_identifier', 'code_include', 'code_instance', 'code_modulename',
-        'code_monad', 'code_printing', 'code_reflect', 'code_reserved',
-        'code_type', 'coinductive', 'coinductive_set', 'consts', 'context',
-        'datatype', 'datatype_new', 'datatype_new_compat', 'declaration',
-        'declare', 'default_sort', 'defer_recdef', 'definition', 'defs',
-        'domain', 'domain_isomorphism', 'domaindef', 'equivariance',
-        'export_code', 'extract', 'extract_type', 'fixrec', 'fun',
-        'fun_cases', 'hide_class', 'hide_const', 'hide_fact', 'hide_type',
-        'import_const_map', 'import_file', 'import_tptp', 'import_type_map',
-        'inductive', 'inductive_set', 'instantiation', 'judgment', 'lemmas',
-        'lifting_forget', 'lifting_update', 'local_setup', 'locale',
-        'method_setup', 'nitpick_params', 'no_adhoc_overloading',
-        'no_notation', 'no_syntax', 'no_translations', 'no_type_notation',
-        'nominal_datatype', 'nonterminal', 'notation', 'notepad', 'oracle',
-        'overloading', 'parse_ast_translation', 'parse_translation',
-        'partial_function', 'primcorec', 'primrec', 'primrec_new',
-        'print_ast_translation', 'print_translation', 'quickcheck_generator',
-        'quickcheck_params', 'realizability', 'realizers', 'recdef', 'record',
-        'refute_params', 'setup', 'setup_lifting', 'simproc_setup',
-        'simps_of_case', 'sledgehammer_params', 'spark_end', 'spark_open',
-        'spark_open_siv', 'spark_open_vcg', 'spark_proof_functions',
-        'spark_types', 'statespace', 'syntax', 'syntax_declaration', 'text',
-        'text_raw', 'theorems', 'translations', 'type_notation',
-        'type_synonym', 'typed_print_translation', 'typedecl', 'hoarestate',
-        'install_C_file', 'install_C_types', 'wpc_setup', 'c_defs', 'c_types',
-        'memsafe', 'SML_export', 'SML_file', 'SML_import', 'approximate',
-        'bnf_axiomatization', 'cartouche', 'datatype_compat',
-        'free_constructors', 'functor', 'nominal_function',
-        'nominal_termination', 'permanent_interpretation',
-        'binds', 'defining', 'smt2_status', 'term_cartouche',
-        'boogie_file', 'text_cartouche',
-    )
-
-    keyword_theory_script = ('inductive_cases', 'inductive_simps')
-
-    keyword_theory_goal = (
-        'ax_specification', 'bnf', 'code_pred', 'corollary', 'cpodef',
-        'crunch', 'crunch_ignore',
-        'enriched_type', 'function', 'instance', 'interpretation', 'lemma',
-        'lift_definition', 'nominal_inductive', 'nominal_inductive2',
-        'nominal_primrec', 'pcpodef', 'primcorecursive',
-        'quotient_definition', 'quotient_type', 'recdef_tc', 'rep_datatype',
-        'schematic_corollary', 'schematic_lemma', 'schematic_theorem',
-        'spark_vc', 'specification', 'subclass', 'sublocale', 'termination',
-        'theorem', 'typedef', 'wrap_free_constructors',
-    )
-
-    keyword_qed = ('by', 'done', 'qed')
-    keyword_abandon_proof = ('sorry', 'oops')
-
-    keyword_proof_goal = ('have', 'hence', 'interpret')
-
-    keyword_proof_block = ('next', 'proof')
-
-    keyword_proof_chain = (
-        'finally', 'from', 'then', 'ultimately', 'with',
-    )
-
-    keyword_proof_decl = (
-        'ML_prf', 'also', 'include', 'including', 'let', 'moreover', 'note',
-        'txt', 'txt_raw', 'unfolding', 'using', 'write',
-    )
-
-    keyword_proof_asm = ('assume', 'case', 'def', 'fix', 'presume')
-
-    keyword_proof_asm_goal = ('guess', 'obtain', 'show', 'thus')
-
-    keyword_proof_script = (
-        'apply', 'apply_end', 'apply_trace', 'back', 'defer', 'prefer',
-    )
-
-    operators = (
-        '::', ':', '(', ')', '[', ']', '_', '=', ',', '|',
-        '+', '-', '!', '?',
-    )
-
-    proof_operators = ('{', '}', '.', '..')
-
-    tokens = {
-        'root': [
-            (r'\s+', Text),
-            (r'\(\*', Comment, 'comment'),
-            (r'\{\*', Comment, 'text'),
-
-            (words(operators), Operator),
-            (words(proof_operators), Operator.Word),
-
-            (words(keyword_minor, prefix=r'\b', suffix=r'\b'), Keyword.Pseudo),
-
-            (words(keyword_diag, prefix=r'\b', suffix=r'\b'), Keyword.Type),
-
-            (words(keyword_thy, prefix=r'\b', suffix=r'\b'), Keyword),
-            (words(keyword_theory_decl, prefix=r'\b', suffix=r'\b'), Keyword),
-
-            (words(keyword_section, prefix=r'\b', suffix=r'\b'), Generic.Heading),
-            (words(keyword_subsection, prefix=r'\b', suffix=r'\b'), Generic.Subheading),
-
-            (words(keyword_theory_goal, prefix=r'\b', suffix=r'\b'), Keyword.Namespace),
-            (words(keyword_theory_script, prefix=r'\b', suffix=r'\b'), Keyword.Namespace),
-
-            (words(keyword_abandon_proof, prefix=r'\b', suffix=r'\b'), Generic.Error),
-
-            (words(keyword_qed, prefix=r'\b', suffix=r'\b'), Keyword),
-            (words(keyword_proof_goal, prefix=r'\b', suffix=r'\b'), Keyword),
-            (words(keyword_proof_block, prefix=r'\b', suffix=r'\b'), Keyword),
-            (words(keyword_proof_decl, prefix=r'\b', suffix=r'\b'), Keyword),
-
-            (words(keyword_proof_chain, prefix=r'\b', suffix=r'\b'), Keyword),
-            (words(keyword_proof_asm, prefix=r'\b', suffix=r'\b'), Keyword),
-            (words(keyword_proof_asm_goal, prefix=r'\b', suffix=r'\b'), Keyword),
-
-            (words(keyword_proof_script, prefix=r'\b', suffix=r'\b'), Keyword.Pseudo),
-
-            (r'\\<\w*>', Text.Symbol),
-
-            (r"[^\W\d][.\w']*", Name),
-            (r"\?[^\W\d][.\w']*", Name),
-            (r"'[^\W\d][.\w']*", Name.Type),
-
-            (r'\d[\d_]*', Name),  # display numbers as name
-            (r'0[xX][\da-fA-F][\da-fA-F_]*', Number.Hex),
-            (r'0[oO][0-7][0-7_]*', Number.Oct),
-            (r'0[bB][01][01_]*', Number.Bin),
-
-            (r'"', String, 'string'),
-            (r'`', String.Other, 'fact'),
-        ],
-        'comment': [
-            (r'[^(*)]+', Comment),
-            (r'\(\*', Comment, '#push'),
-            (r'\*\)', Comment, '#pop'),
-            (r'[(*)]', Comment),
-        ],
-        'text': [
-            (r'[^*}]+', Comment),
-            (r'\*\}', Comment, '#pop'),
-            (r'\*', Comment),
-            (r'\}', Comment),
-        ],
-        'string': [
-            (r'[^"\\]+', String),
-            (r'\\<\w*>', String.Symbol),
-            (r'\\"', String),
-            (r'\\', String),
-            (r'"', String, '#pop'),
-        ],
-        'fact': [
-            (r'[^`\\]+', String.Other),
-            (r'\\<\w*>', String.Symbol),
-            (r'\\`', String.Other),
-            (r'\\', String.Other),
-            (r'`', String.Other, '#pop'),
-        ],
-    }
-
-
-class LeanLexer(RegexLexer):
-    """
-    For the `Lean <https://github.com/leanprover/lean>`_
-    theorem prover.
-
-    .. versionadded:: 2.0
-    """
-    name = 'Lean'
-    aliases = ['lean']
-    filenames = ['*.lean']
-    mimetypes = ['text/x-lean']
-
-    flags = re.MULTILINE | re.UNICODE
-
+ 
+ 
+class IsabelleLexer(RegexLexer): 
+    """ 
+    For the `Isabelle <http://isabelle.in.tum.de/>`_ proof assistant. 
+ 
+    .. versionadded:: 2.0 
+    """ 
+ 
+    name = 'Isabelle' 
+    aliases = ['isabelle'] 
+    filenames = ['*.thy'] 
+    mimetypes = ['text/x-isabelle'] 
+ 
+    keyword_minor = ( 
+        'and', 'assumes', 'attach', 'avoids', 'binder', 'checking', 
+        'class_instance', 'class_relation', 'code_module', 'congs', 
+        'constant', 'constrains', 'datatypes', 'defines', 'file', 'fixes', 
+        'for', 'functions', 'hints', 'identifier', 'if', 'imports', 'in', 
+        'includes', 'infix', 'infixl', 'infixr', 'is', 'keywords', 'lazy', 
+        'module_name', 'monos', 'morphisms', 'no_discs_sels', 'notes', 
+        'obtains', 'open', 'output', 'overloaded', 'parametric', 'permissive', 
+        'pervasive', 'rep_compat', 'shows', 'structure', 'type_class', 
+        'type_constructor', 'unchecked', 'unsafe', 'where', 
+    ) 
+ 
+    keyword_diag = ( 
+        'ML_command', 'ML_val', 'class_deps', 'code_deps', 'code_thms', 
+        'display_drafts', 'find_consts', 'find_theorems', 'find_unused_assms', 
+        'full_prf', 'help', 'locale_deps', 'nitpick', 'pr', 'prf', 
+        'print_abbrevs', 'print_antiquotations', 'print_attributes', 
+        'print_binds', 'print_bnfs', 'print_bundles', 
+        'print_case_translations', 'print_cases', 'print_claset', 
+        'print_classes', 'print_codeproc', 'print_codesetup', 
+        'print_coercions', 'print_commands', 'print_context', 
+        'print_defn_rules', 'print_dependencies', 'print_facts', 
+        'print_induct_rules', 'print_inductives', 'print_interps', 
+        'print_locale', 'print_locales', 'print_methods', 'print_options', 
+        'print_orders', 'print_quot_maps', 'print_quotconsts', 
+        'print_quotients', 'print_quotientsQ3', 'print_quotmapsQ3', 
+        'print_rules', 'print_simpset', 'print_state', 'print_statement', 
+        'print_syntax', 'print_theorems', 'print_theory', 'print_trans_rules', 
+        'prop', 'pwd', 'quickcheck', 'refute', 'sledgehammer', 'smt_status', 
+        'solve_direct', 'spark_status', 'term', 'thm', 'thm_deps', 'thy_deps', 
+        'try', 'try0', 'typ', 'unused_thms', 'value', 'values', 'welcome', 
+        'print_ML_antiquotations', 'print_term_bindings', 'values_prolog', 
+    ) 
+ 
+    keyword_thy = ('theory', 'begin', 'end') 
+ 
+    keyword_section = ('header', 'chapter') 
+ 
+    keyword_subsection = ( 
+        'section', 'subsection', 'subsubsection', 'sect', 'subsect', 
+        'subsubsect', 
+    ) 
+ 
+    keyword_theory_decl = ( 
+        'ML', 'ML_file', 'abbreviation', 'adhoc_overloading', 'arities', 
+        'atom_decl', 'attribute_setup', 'axiomatization', 'bundle', 
+        'case_of_simps', 'class', 'classes', 'classrel', 'codatatype', 
+        'code_abort', 'code_class', 'code_const', 'code_datatype', 
+        'code_identifier', 'code_include', 'code_instance', 'code_modulename', 
+        'code_monad', 'code_printing', 'code_reflect', 'code_reserved', 
+        'code_type', 'coinductive', 'coinductive_set', 'consts', 'context', 
+        'datatype', 'datatype_new', 'datatype_new_compat', 'declaration', 
+        'declare', 'default_sort', 'defer_recdef', 'definition', 'defs', 
+        'domain', 'domain_isomorphism', 'domaindef', 'equivariance', 
+        'export_code', 'extract', 'extract_type', 'fixrec', 'fun', 
+        'fun_cases', 'hide_class', 'hide_const', 'hide_fact', 'hide_type', 
+        'import_const_map', 'import_file', 'import_tptp', 'import_type_map', 
+        'inductive', 'inductive_set', 'instantiation', 'judgment', 'lemmas', 
+        'lifting_forget', 'lifting_update', 'local_setup', 'locale', 
+        'method_setup', 'nitpick_params', 'no_adhoc_overloading', 
+        'no_notation', 'no_syntax', 'no_translations', 'no_type_notation', 
+        'nominal_datatype', 'nonterminal', 'notation', 'notepad', 'oracle', 
+        'overloading', 'parse_ast_translation', 'parse_translation', 
+        'partial_function', 'primcorec', 'primrec', 'primrec_new', 
+        'print_ast_translation', 'print_translation', 'quickcheck_generator', 
+        'quickcheck_params', 'realizability', 'realizers', 'recdef', 'record', 
+        'refute_params', 'setup', 'setup_lifting', 'simproc_setup', 
+        'simps_of_case', 'sledgehammer_params', 'spark_end', 'spark_open', 
+        'spark_open_siv', 'spark_open_vcg', 'spark_proof_functions', 
+        'spark_types', 'statespace', 'syntax', 'syntax_declaration', 'text', 
+        'text_raw', 'theorems', 'translations', 'type_notation', 
+        'type_synonym', 'typed_print_translation', 'typedecl', 'hoarestate', 
+        'install_C_file', 'install_C_types', 'wpc_setup', 'c_defs', 'c_types', 
+        'memsafe', 'SML_export', 'SML_file', 'SML_import', 'approximate', 
+        'bnf_axiomatization', 'cartouche', 'datatype_compat', 
+        'free_constructors', 'functor', 'nominal_function', 
+        'nominal_termination', 'permanent_interpretation', 
+        'binds', 'defining', 'smt2_status', 'term_cartouche', 
+        'boogie_file', 'text_cartouche', 
+    ) 
+ 
+    keyword_theory_script = ('inductive_cases', 'inductive_simps') 
+ 
+    keyword_theory_goal = ( 
+        'ax_specification', 'bnf', 'code_pred', 'corollary', 'cpodef', 
+        'crunch', 'crunch_ignore', 
+        'enriched_type', 'function', 'instance', 'interpretation', 'lemma', 
+        'lift_definition', 'nominal_inductive', 'nominal_inductive2', 
+        'nominal_primrec', 'pcpodef', 'primcorecursive', 
+        'quotient_definition', 'quotient_type', 'recdef_tc', 'rep_datatype', 
+        'schematic_corollary', 'schematic_lemma', 'schematic_theorem', 
+        'spark_vc', 'specification', 'subclass', 'sublocale', 'termination', 
+        'theorem', 'typedef', 'wrap_free_constructors', 
+    ) 
+ 
+    keyword_qed = ('by', 'done', 'qed') 
+    keyword_abandon_proof = ('sorry', 'oops') 
+ 
+    keyword_proof_goal = ('have', 'hence', 'interpret') 
+ 
+    keyword_proof_block = ('next', 'proof') 
+ 
+    keyword_proof_chain = ( 
+        'finally', 'from', 'then', 'ultimately', 'with', 
+    ) 
+ 
+    keyword_proof_decl = ( 
+        'ML_prf', 'also', 'include', 'including', 'let', 'moreover', 'note', 
+        'txt', 'txt_raw', 'unfolding', 'using', 'write', 
+    ) 
+ 
+    keyword_proof_asm = ('assume', 'case', 'def', 'fix', 'presume') 
+ 
+    keyword_proof_asm_goal = ('guess', 'obtain', 'show', 'thus') 
+ 
+    keyword_proof_script = ( 
+        'apply', 'apply_end', 'apply_trace', 'back', 'defer', 'prefer', 
+    ) 
+ 
+    operators = ( 
+        '::', ':', '(', ')', '[', ']', '_', '=', ',', '|', 
+        '+', '-', '!', '?', 
+    ) 
+ 
+    proof_operators = ('{', '}', '.', '..') 
+ 
+    tokens = { 
+        'root': [ 
+            (r'\s+', Text), 
+            (r'\(\*', Comment, 'comment'), 
+            (r'\{\*', Comment, 'text'), 
+ 
+            (words(operators), Operator), 
+            (words(proof_operators), Operator.Word), 
+ 
+            (words(keyword_minor, prefix=r'\b', suffix=r'\b'), Keyword.Pseudo), 
+ 
+            (words(keyword_diag, prefix=r'\b', suffix=r'\b'), Keyword.Type), 
+ 
+            (words(keyword_thy, prefix=r'\b', suffix=r'\b'), Keyword), 
+            (words(keyword_theory_decl, prefix=r'\b', suffix=r'\b'), Keyword), 
+ 
+            (words(keyword_section, prefix=r'\b', suffix=r'\b'), Generic.Heading), 
+            (words(keyword_subsection, prefix=r'\b', suffix=r'\b'), Generic.Subheading), 
+ 
+            (words(keyword_theory_goal, prefix=r'\b', suffix=r'\b'), Keyword.Namespace), 
+            (words(keyword_theory_script, prefix=r'\b', suffix=r'\b'), Keyword.Namespace), 
+ 
+            (words(keyword_abandon_proof, prefix=r'\b', suffix=r'\b'), Generic.Error), 
+ 
+            (words(keyword_qed, prefix=r'\b', suffix=r'\b'), Keyword), 
+            (words(keyword_proof_goal, prefix=r'\b', suffix=r'\b'), Keyword), 
+            (words(keyword_proof_block, prefix=r'\b', suffix=r'\b'), Keyword), 
+            (words(keyword_proof_decl, prefix=r'\b', suffix=r'\b'), Keyword), 
+ 
+            (words(keyword_proof_chain, prefix=r'\b', suffix=r'\b'), Keyword), 
+            (words(keyword_proof_asm, prefix=r'\b', suffix=r'\b'), Keyword), 
+            (words(keyword_proof_asm_goal, prefix=r'\b', suffix=r'\b'), Keyword), 
+ 
+            (words(keyword_proof_script, prefix=r'\b', suffix=r'\b'), Keyword.Pseudo), 
+ 
+            (r'\\<\w*>', Text.Symbol), 
+ 
+            (r"[^\W\d][.\w']*", Name), 
+            (r"\?[^\W\d][.\w']*", Name), 
+            (r"'[^\W\d][.\w']*", Name.Type), 
+ 
+            (r'\d[\d_]*', Name),  # display numbers as name 
+            (r'0[xX][\da-fA-F][\da-fA-F_]*', Number.Hex), 
+            (r'0[oO][0-7][0-7_]*', Number.Oct), 
+            (r'0[bB][01][01_]*', Number.Bin), 
+ 
+            (r'"', String, 'string'), 
+            (r'`', String.Other, 'fact'), 
+        ], 
+        'comment': [ 
+            (r'[^(*)]+', Comment), 
+            (r'\(\*', Comment, '#push'), 
+            (r'\*\)', Comment, '#pop'), 
+            (r'[(*)]', Comment), 
+        ], 
+        'text': [ 
+            (r'[^*}]+', Comment), 
+            (r'\*\}', Comment, '#pop'), 
+            (r'\*', Comment), 
+            (r'\}', Comment), 
+        ], 
+        'string': [ 
+            (r'[^"\\]+', String), 
+            (r'\\<\w*>', String.Symbol), 
+            (r'\\"', String), 
+            (r'\\', String), 
+            (r'"', String, '#pop'), 
+        ], 
+        'fact': [ 
+            (r'[^`\\]+', String.Other), 
+            (r'\\<\w*>', String.Symbol), 
+            (r'\\`', String.Other), 
+            (r'\\', String.Other), 
+            (r'`', String.Other, '#pop'), 
+        ], 
+    } 
+ 
+ 
+class LeanLexer(RegexLexer): 
+    """ 
+    For the `Lean <https://github.com/leanprover/lean>`_ 
+    theorem prover. 
+ 
+    .. versionadded:: 2.0 
+    """ 
+    name = 'Lean' 
+    aliases = ['lean'] 
+    filenames = ['*.lean'] 
+    mimetypes = ['text/x-lean'] 
+ 
+    flags = re.MULTILINE | re.UNICODE 
+ 
     tokens = {
         'root': [
             (r'\s+', Text),
@@ -416,16 +416,16 @@ class LeanLexer(RegexLexer):
                 'inductive', 'coinductive', 'structure', 'extends',
                 'class', 'instance',
                 'abbreviation',
-
+ 
                 'noncomputable theory',
-
+ 
                 'noncomputable', 'mutual', 'meta',
-
+ 
                 'attribute',
-
+ 
                 'parameter', 'parameters',
                 'variable', 'variables',
-
+ 
                 'reserve', 'precedence',
                 'postfix', 'prefix', 'notation', 'infix', 'infixl', 'infixr',
 
@@ -454,26 +454,26 @@ class LeanLexer(RegexLexer):
              r'\u207f-\u2089\u2090-\u209c\u2100-\u214f0-9]*', Name),
             (r'0x[A-Za-z0-9]+', Number.Integer),
             (r'0b[01]+', Number.Integer),
-            (r'\d+', Number.Integer),
-            (r'"', String.Double, 'string'),
+            (r'\d+', Number.Integer), 
+            (r'"', String.Double, 'string'), 
             (r"'(?:(\\[\\\"'nt])|(\\x[0-9a-fA-F]{2})|(\\u[0-9a-fA-F]{4})|.)'", String.Char),
             (r'[~?][a-z][\w\']*:', Name.Variable),
             (r'\S', Name.Builtin.Pseudo),
-        ],
-        'comment': [
-            (r'[^/-]', Comment.Multiline),
-            (r'/-', Comment.Multiline, '#push'),
-            (r'-/', Comment.Multiline, '#pop'),
-            (r'[/-]', Comment.Multiline)
-        ],
+        ], 
+        'comment': [ 
+            (r'[^/-]', Comment.Multiline), 
+            (r'/-', Comment.Multiline, '#push'), 
+            (r'-/', Comment.Multiline, '#pop'), 
+            (r'[/-]', Comment.Multiline) 
+        ], 
         'docstring': [
             (r'[^/-]', String.Doc),
             (r'-/', String.Doc, '#pop'),
             (r'[/-]', String.Doc)
         ],
-        'string': [
-            (r'[^\\"]+', String.Double),
+        'string': [ 
+            (r'[^\\"]+', String.Double), 
             (r"(?:(\\[\\\"'nt])|(\\x[0-9a-fA-F]{2})|(\\u[0-9a-fA-F]{4}))", String.Escape),
-            ('"', String.Double, '#pop'),
-        ],
-    }
+            ('"', String.Double, '#pop'), 
+        ], 
+    }