2012-05-24  Ian Dunn  <scholar42@gmail.com>

	* callbacks.c (gui_help): Added additional error message.

2012-05-23  Ian Dunn  <scholar42@gmail.com>

	* vec.h: Removed vec_int_un.

	* sentence.c: Added comments.

	* sen-data.c: Added comments.

	* list.c: Added comments.

	* vec.c: Added comments.

	* process.c: Added comments.

	* sexpr-process.c: Added comments.

	* sexpr-process-misc.c (proc_lm): Touched up.
	(proc_sp): Touched up.

2012-05-18  Ian Dunn  <scholar42@gmail.com>

	* sentence.c (sentence_init): Same as sen_data_init.
	(sentence_destroy): Same as sen_data_destroy.
	(sentence_gui_init): Sets width-chars property of 'widget' for indent;
	Fixes subproof bug.
	Changed type from 'void' to 'int'.
	(sentence_key): Fixed parentheses matching.

	* sen-data.c (sen_data_init): Sets 'sexpr', 'text', and 'file' to NULL
	by default.
	(sen_data_destroy): Frees memory from 'indices' as necessary.

2012-05-17  Ian Dunn  <scholar42@gmail.com>

	* sexpr-process-equiv.c (proc_sb): Checks for possibility of top connective
	changing.

	* sexpr-process-bool.c (proc_bi): Checks for possibility of top connective
	changing.

2012-05-16  Ian Dunn  <scholar42@gmail.com>

	* process.c (check_text): Added memory checks.

	* sexpr-process-bool.c (proc_bi): Added extra checks.
	(proc_sn): Same.

	* sexpr-process-equiv.c (proc_as): Added extra checks.
	(proc_sb): Same.
	(proc_ep): Generalized and added checks.

	* callbacks.c (evaluate_line): Constructs list 'lines' from the entire proof.

	* sen-data.c (sen_data_evaluate): Fixed bugs.

2012-05-15  Ian Dunn  <scholar42@gmail.com>

	* aio.c, proof.c, goal.c, aris-proof.c, sentence.c: Added additional argument
	to sen_data_init calls.

	* callbacks.c (evaluate_line): Converts to input to sen_data_evaluate.

	* sen-data.c (sen_data_can_select_as_ref): Added for subproof checks.
	(sen_data_evaluate): Modified to check for subproofs.
	(sen_data_init): Added sexpr arg.

2012-05-14  Ian Dunn  <scholar42@gmail.com>

	* sexpr-process-quant.c (proc_bv): Fixed.
	(proc_nq): Fixed.
	(proc_pr): Fixed.

	* sexpr-process-equiv.c (proc_dt): Added difference checking.
	(recurse_co): Checks for an opening parenthesis before checking quantifiers.
	(recurse_id): Same.

	* vec.c (vec_str_sub): Modified to confirm that each object in the larger
	vector matches at least one in the smaller vector.

2012-05-12  Ian Dunn  <scholar42@gmail.com>

	* interop-isar.c (parse_quants): Added to process quantifiers in
	'isar_to_aris'.
	(isar_to_aris): Compressed quantifiers to if blocks.
	Implemented 'parse_quants'.
	(parse_connectives): Implements 'realloc' to modify the size of 'gen'.
	(parse_pred_func): Parses a generic predicate or function.

	* interop-isar.h (parse_connectives): Added declaration.

2012-05-11  Ian Dunn  <scholar42@gmail.com>

	* interop-isar.c: Implemented 'CHECK_ALLOC'.
	(parse_connectives): Finished implementation.
	(correct_conditionals): Removed;  Replaced by 'parse_connectives'.

	* callbacks.c: Implemented 'CHECK_ALLOC'.

	* goal.c: Implemented 'CHECK_ALLOC'.

	* sentence.c: Implemented 'CHECK_ALLOC'.

	* aris-proof.c: Implemented 'CHECK_ALLOC'.

	* sexpr-process*.c: Implemented 'CHECK_ALLOC'.

	* process.c: Implemented 'CHECK_ALLOC'.

	* process.h (CHECK_ALLOC): Checks allocation results, returns an error.

2012-05-10  Ian Dunn  <scholar42@gmail.com>

	* interop-isar.c (parse_connectives): Checks connectives, and groups them accordingly.

2012-05-09  Ian Dunn  <scholar42@gmail.com>

	* goal.c (goal_add_line): Implemented ls_push_obj.
	(goal_update_title): Updates the title of a goal to match its parent.
	(goal_init): Calls update title if the parent has a current file.

	* senetence.c (sentence_init): Implemented ls_push_obj.
	(select_reference): Same.
	(select_sentence): Same.
	Begins checking a subproof at the iterator AFTER the subproof.

	* aio.c (aio_open): Implemented ls_push_obj.

	* list.c (ls_find): Changed 'itm != NULL' to 'itm'.
	(ls_nth): Same.
	(ls_copy): Same.
	(ls_clear): Same.
	(ls_ins_obj): Changed 'ls->head == NULL' to '!ls->head'.
	(ls_rem_obj): Same.
	(ls_push_obj): Convenience function to add an object to the end of a list.

	* sen-parent.c (sen_parent_get_window): Removed.
	(sen_parent_rem_sentence): Implemented 'ls_find'.
	(sen_parent_destroy): Changed 'ev_itr != NULL' to 'ev_itr'.
	(sen_parent_set_font): Same.

	* proof.c (proof_eval): Added opening comments.

	* aris-proof.c (aris_proof_copy): Added opening comments.
	(aris_proof_kill): Same.
	(aris_proof_yank): Same.
	(aris_proof_toggle_boolean_mode): Same.
	(aris_proof_set_filename): Calls 'goal_update_title'.

2012-05-08  Ian Dunn  <scholar42@gmail.com>

	* callbacks.c (gui_about): Added GNU information.
	Updated description and website.

	* aris.c (usage): Added GNU help line.
	Updated bug report and website.
	(version): Added GNU information.

2012-05-06  Ian Dunn  <scholar42@gmail.com>

	* interop-isar.c (isar_parse_theorem): Parses a 'theorem' declaration.
	(isar_parse_lemma): Added more implementation.

2012-05-05  Ian Dunn  <scholar42@gmail.com>

	* interop-isar.c (parse_thy): Added handling of all key words.
	Determines where the current block ends by looking for "\n\n".
	(isar_parse_null): Added to check for text, comments, etc.
	(isar_parse_case): Added more implementation.
	(isar_parse_def): Addeed more implemenation.
	(isar_parse_fun): Added implementation, works for general case.
	(isar_parse_lemma): Added implementation, works for general case.

	* interop-isar.h: Changed types of isar_parse_xyz functions; return position
	of end of string.
	Added key_function structure.
	(parse_thy): Outputs the constructed proof in its args.

2012-05-04  Ian Dunn  <scholar42@gmail.com>

	* interop-isar.c (isar_mod_fun): Modifies function declarations.
	(isar_parse_syn): Parses a 'type_synonym' declaration.
	(isar_parse_fun): Parses a 'fun' declaration.
	(isar_parse_lemma): Parses a 'lemma' declaration.
	(isar_parse_datatype): Parses a 'datatype' declaration.
	(isar_parse_primrec): Parses a 'primrec' declaration.
	(isar_parse_case): Parses a 'case' declaration.
	(isar_parse_def): Parses a 'def' declaration.

	* sentence.c (sentence_gui_init): Added tags for 'hilight' and 'negative'.
	(sentence_key): Hi-lights matching parentheses when moving to the left or
	right.

2012-05-03  Ian Dunn  <scholar42@gmail.com>

	* sexpr-process-misc.c (proc_lm): Fixed bug, checks for already existing
	sentences.
	Checks for '='.

	* vec.c (vec_str_cmp): Changed 'vec_nth' call to 'vec_str_nth'

	* aio.c (aio_save): Adds 'depth' data element.
	Writes proof mode.
	(aio_open): Reads 'depth' data argument.
	Reads proof mode.

	* parse.c (parse_vars_parens): Removed.
	(parse_par_parts): Removed.
	(parse_parts): Removed.
	(parse_vars): Removed.
	Moved parse_parens and reverse_parse_parens into process.c.
	Removed parse.c.

	* process.c (collect_variables_to_proof): Removed.
	(collect_variables): Removed.
	(not_check): Removed.
	(find_top_connective): Removed.

	* aris-proof.c (aris_proof_collect_vars): Removed.
	(aris_proof_init_from_proof): Initializes 'ap->selected'.
	(aris_proof_kill): Sets proof changed status.
	(aris_proof_yank): Same.

	* sentence.c (sentence_can_select_as_ref): Self-explanatory.

	* callbacks.c (menu_activated): Moved variable collection to evaluate_line.
	(evaluate_line): Collects variables before processing.
	Checks for the possibility of having a line as a reference to determine
	  whether or not to collect variables from the line.
	Converts all previous lines to sexprs if they haven't been already.
	Fixed arbitrary bug.
	When passed in a subproof as a reference, it correctly gets the lines.
	(evaluate_proof): Doesn't collect variables, but clears out ap->vars.
	Calculates the sexpr text before processing.

	* sen-data.c (sen_data_evaluate): Uses 'sd->sexpr' element.

	* sen-data.h (sen_data): Added 'sexpr' element.

	* proof.c (proof_eval): Converts all text to sexprs before processing.
	Fixed arbitrary bug.

	* sexpr-process.c (sexpr_parse_vars): Set to check for a space before the
	variable found.
	(sexpr_collect_vars_to_proof): Added; replaces 'collect_variables_to_proof'.
	Set so that only NEW variables are added.
	Doesn't modify arbitrary state of already existing variables.
	(sexpr_get_ids): Checks for entire string equality when determining new
	parts.
	Checks for '='.

2012-05-02  Ian Dunn  <scholar42@gmail.com>

	* sen-data.c (sen_data_evaluate): Converts references to sexprs.

	* proof.c (proof_eval): Added to evaluate a proof.

	* aris.c (main): Moved text checking into the getopt switch statement.
	Uses proof_eval to evaluate proofs.
	(list_rules): Added 'sq' and 'in' to rules listed.

	* process.c (get_ids): Removed.

	* process.h (sen_ids enum): Changed all to 'SEN_xyz'.
	Changed 'SEN_ID_COMMA' to 'SEN_ID_SPACE'.
	Changed 'SEN_ID_SENEND' to 'SEN_ID_END'.

	* sexpr-process.c (sexpr_get_ids): Added; replaces get_ids.
	(sexpr_parse_vars): Added; replaces parse_vars_parens.
	(sexpr_quant_infer): Set up so that if a space is in the variable when
	cons != 0, returns -3.

	* sexpr-process-misc.c (proc_in): Finished.
	(proc_lm): Finished.

2012-05-01  Ian Dunn  <scholar42@gmail.com>

	* stuff: Happy Birthday Me!

2012-04-30  Ian Dunn  <scholar42@gmail.com>

	* sexpr-process-misc.c: Added; replaces process-misc.c.
	(proc_lm): Added.
	(proc_sp): Added and finished.
	(proc_sq): Added and finished.
	(proc_in): Added.

	* aris.c (list_rules): Added '*' to boolean rules.

	* sexpr-process-equiv.c (proc_dt): Finished quantifier mode.
	(recurse_co): Accounts for quantifiers.
	(recurse_id): Same.

	* sexpr-process-quant.c (help_fv): Handles fv.
	(proc_fv): Finished.
	(proc_bv): Finished.
	(proc_ei): Reversed conc and prem args to sexpr_quant_infer.
	(proc_nq): Finished.
	(proc_pr): Finished.

	* sexpr-process.c (sexpr_get_quant_vars): Checks to confirm the current
	variable is entirely the desired variable.
	(sexpr_get_pred_args): Eliminates the parentheses on the input string first.

2012-04-29  Ian Dunn  <scholar42@gmail.com>

	* sentence.c (sentence_key): Added instances for 'elm' and 'nil'.

	* sexpr-process-equiv.c: Replaced 'vec_add_obj' with 'vec_str_add_obj'.
	Replaced 'vec_nth' with 'vec_str_nth'.

	* sexpr-process-infer.c: Replaced 'vec_add_obj' with 'vec_str_add_obj'.
	Replaced 'vec_nth' with 'vec_str_nth'.

	* process.h: Removed 'quant_infer' and 'find_unmatched'.
	Added 'nil' member to connectives_list struct.

	* vec.c (vec_str_add_obj): Adds the string to the vector; allows memory to
	be easily freed outside of the function.
	(vec_str_nth): Gets a string instead of its pointer.
	(vec_str_cmp): Replaced 'vec_nth' with 'vec_str_nth'.

	* process.c (convert_sexpr): Replaced 'vec_nth' with 'vec_str_nth'.
	Replaced 'vec_add_obj' with 'vec_str_add_obj'.
	'calloc' now allocates exact size.
	(infix_to_prefix): 'calloc' now allocates exact size.
	(infix_to_prefix_func): Same.
	(get_pred_func_args): Replaced 'vec_add_obj' with 'vec_str_add_obj'.
	(get_gen): Gets a single generality.
	(get_generalities): Implements 'get_gen' instead of 'parse_par_parts'.
	Removed 'quant_infer' and 'find_unmatched'.

	* sexpr-process-quant.c (proc_fv): Touched up.
	(proc_ug): Checks return from sexpr_quant_infer.
	(proc_ui): Same.
	(proc_eg): Same.
	(proc_ei): Same.

	* sexpr-process.c (sexpr_get_quant_vars): Fixed strncmp call in for loop.
	(sexpr_quant_infer): Checks for function symbols.

2012-04-28  Ian Dunn  <scholar42@gmail.com>

	* sexpr-process.c (sexpr_replace_var): Added implementation.

2012-04-27  Ian Dunn  <scholar42@gmail.com>

	* sexpr-process-quant.c (proc_fv): Began implementation.

2012-04-26  Ian Dunn  <scholar42@gmail.com>

	* sexpr-process.c (sexpr_find_unmatched): Fixed bug - checks for similar
	strings in while loop.

	* callbacks.c (evaluate_line): Converts text to sexprs before passing them
	into process.

	* sentence.c (sentence_text_changed): Frees memory from sexpr object if it
	exists.

	* sentence.h (sentence struct): Added 'sexpr' object to store converted form.

2012-04-25  Ian Dunn  <scholar42@gmail.com>

	* Makefile.am: Changed input to sexpr-process-xyz.c as opposed to
	process-xyz.c

	* aris.c (main): Converts conclusion and premises to sexpr form before
	processing.

	* sexpr-process.h: Moved all of the proc_xy functions from process.h.
	Defined S_AND, S_OR, etc.

	* sexpr-process.c (sexpr_not_check): Moved from sexpr-process-infer.c - finished.
	(sexpr_add_not): Moved from sexpr-process-infer.c.
	(sexpr_elim_not): Same - finished.
	(sexpr_get_generalities): Same.
	(sexpr_find_top_connective): Same - finished.
	(find_unmatched_o_paren): Moved from sexpr-process-equiv.c.
	(sexpr_find_unmatched): Same.
	(sexpr_get_pred_args): Added; Self explanatory (may not be needed).
	(sexpr_elim_quant): Gets the quantifier, variable and scope from a sentence.
	(sexpr_get_quant_vars): Gets the offsets from the beginning of a quantifier's scope of
	its variable.
	(sexpr_replace_var): Added.
	(sexpr_quant_infer): Process ug, ui, eg, and ei.

	* sexpr-process-quant.c (proc_ug): Added - finished.
	(proc_ui): Same.
	(proc_eg): Same.
	(proc_ei): Same.
	(proc_bv): Added.
	(proc_nq): Same.
	(proc_pr): Same.
	(proc_ii): Added - finished.
	(proc_fv): Added.

	* sexpr-process-bool.c (process_boolean): Added.

	* sexpr-process-infer.c (process_inference): Added.

	* sexpr-process-equiv.c (proc_id): Finished.
	(recurse_id): Added - finished.
	(recurse_co): Finished.
	(proc_co): Finished.
	(process_equivalence): Added.

2012-04-24  Ian Dunn  <scholar42@gmail.com>

	* sexpr-process-equiv.c (proc_sb): Finished.
	(proc_dt): Finished standard mode.
	(proc_ep): Finished.
	(proc_dn): Finished.
	(recurse_co): Added.
	(proc_co): Added - finished.

	* sexpr-process-bool.c (proc_bi): Finished.
	(proc_bd): Finished.

2012-04-23  Ian Dunn  <scholar42@gmail.com>

	* process.c (convert_sexpr): Converts tautology and contradiction symbols.

	* sexpr-process-equiv.c (proc_as): Finished.
	(find_unmatched_o_paren): Added.
	(sexpr_find_unmatched): Added.

	* sexpr-process-bool.c (proc_bn): Added - finished.
	(proc_bd): Added.
	(proc_sn): Added - finished.

2012-04-17  Ian Dunn  <scholar42@gmail.com>

	* sexpr-process-bool.c (proc_bi): Added.

	* sexpr-process-equiv.c (get_working_level): Added.
	(proc_co): Began implementation.

	* process.c (infix_to_prefix): Added implementation for element predicate.

	* process.h (connectives_list): Added 'elm' element.
	Updated connectives lists.

2012-04-16  Ian Dunn  <scholar42@gmail.com>

	* sexpr-process-equiv.c (proc_eq): Added - finished.

2012-04-15  Ian Dunn  <scholar42@gmail.com>

	* sexpr-process-equiv.c (proc_im): Added - finished.
	(proc_dm): Same - BOTH modes.

	* sexpr-process-infer.c (sexpr_not_check): Added - still needs implementation.
	(sexpr_add_not): Added.
	(sexpr_elim_not): Added - still needs implementation.
	(sexpr_get_generalities): Added.
	(sexpr_find_top_connective): Added - still needs implementation.
	(proc_mp): Added - finished.
	(proc_ad): Same.
	(proc_sm): Same.
	(proc_cn): Same.
	(proc_hs): Same.
	(proc_ds): Same.
	(proc_ex): Same.
	(proc_cd): Same.

	* vec.c (vec_add_obj): Uses realloc.
	(vec_str_cmp): Compares the contents of two string vectors.

2012-04-13  Ian Dunn  <scholar42@gmail.com>

	* parse.c (parse_par_parts): Set up to skip over '=', '<', '+', and '*'.

	* process.c (get_pred_func_args): Finished implementation.
	(infix_to_prefix): Finished implementation.
	(infix_to_prefix_func): Converts '+' and '*' to prefix notation; allows
	predicates to be checked for first.

2012-04-12  Ian Dunn  <scholar42@gmail.com>

	* process.c (get_pred_func_args): Gets args from predicates or function
	symbols.
	(infix_to_prefix): Converts '=' and '<' to prefix notation.

2012-04-08  Ian Dunn  <scholar42@gmail.com>

	* process.c (conn_to_sexpr): Converts connectives to their sexpr form.

2012-04-07  Ian Dunn  <scholar42@gmail.com>

	* process.c (convert_sexpr): Converts sentences to their sexpr form.

	* interop-isar.h: Added.
	Added correct_conditonals.

	* interop-isar.c: Added.
	Moved parse_thy and isar_to_aris from aio.c into interop-isar.c.
	(correct_conditionals): Corrects grouping of conditionals.

2012-04-05  Ian Dunn  <scholar42@gmail.com>

	* process-bool.c (proc_bi): Added functionality.

	* aris-proof.c: Changed boolean mode menu item's icon.

2012-04-03  Ian Dunn  <scholar42@gmail.com>

	* sentence.h: Added sentence_check_boolean_rule.

	* sentence.c (sentence_check_boolean_rule): Added to check for boolean mode compatability.

	* callbacks.c (menu_activated): Added check for MENU_BOOLEAN.

	* menu.h (MENU_ID): Added MENU_BOOLEAN

	* app.c (the_app_set_focus): Added call to rules_table_set_boolean_mode.

	* aris_proof.c (aris_proof_init): Initializes boolean mode flag to the boolean flag given
	to the app.
	(aris_proof_init_from_proof): Initializes boolean mode flag from the given proof.
	(aris_proof_to_proof): Sets new proof's boolean flag to boolean flag of current aris
	proof.
	Added MENU_SIZE enumeration.
	Added Boolean mode menu item.
	(aris_proof_toggle_boolean_mode): Added to change the proof and rules to boolean mode.

	* rules-table.c (rules_table_set_boolean_mode): Sets the sensitivity of certain rules
	buttons to correspond with boolean mode.

	* rules-table.h: Added rules_table_set_boolean_mode.

	* aris-proof.h: Added boolean flag.
	Added aris_proof_toggle_boolean_mode.

2012-03-30  Ian Dunn  <scholar42@gmail.com>

	* rules-table.c (rules_table_init): Set it up so that the boolean rules are
	insensitive outside of boolean mode.
	(rules_table_set_font): Set up so that all rules are changed even in boolean
	mode.

	* rules-table.h: Added boole member to rules table.

	* aris-proof.c (aris_proof_init): Disabled subproofs for the moment.

2012-03-20  Ian Dunn  <scholar42@gmail.com>

	* process-bool.c (proc_bi): Added implementation.

2012-03-19  Ian Dunn  <scholar42@gmail.com>

	* aio.c (parse_thy): Added.
	(isar_to_aris): Added.

2012-03-18  Ian Dunn  <scholar42@gmail.com>

	* aris-proof.c (aris_proof_init): Initializes selected list.
	(aris_proof_copy): Sets sd->depth to -1 if the line ends a subproof.

	* callbacks.c (sentence_btn_release): Implements select_sentence.

	* sentence.h (select_sentence): Added.
	(sentence_set_selected): Added.
	(select_reference): Moved from callbacks.h.
	Added selected flag to sentence struct.

	* sentence.c (sentence_copy_to_data): Rearranged args of sen_data_init to
	proper order.

2012-03-09  Ian Dunn  <scholar42@gmail.com>

	* app.h (BG_COLORS): changed BG_COLOR_BURNT_ORANGE to BG_COLOR_RED_ORANGE.

	* aris-proof.c (aris_proof_copy): Changed to use yanked and selected as lists.
	Finished implementation.
	(aris_proof_kill): Same.
	(aris_proof_yank): Added implementation.

	* aris-proof.h: Changed yanked and selected elements to lists.

2012-03-07  Ian Dunn  <scholar42@gmail.com>

	* process-equiv.c (proc_dm): Check for only one generality.
	Cleaned up.
	(proc_co): Removed explicit obtaining of connective, left it to
	get_generalities.
	(proc_id): Cleaned up comments.

	* vec.c (destroy_str_vec): Confirm that the freed value exists first.

	* rules.h: Fixed typo.

2012-03-06  Ian Dunn  <scholar42@gmail.com>

	* process-bool.c (proc_bi): Added some implementation.

	* process.h (find_unmathced): Added declaration of find_unmatched.

	* process.c (find_unmatched): Moved into process.c.

2012-03-02  Ian Dunn  <scholar42@gmail.com>

	* callbacks.h (gui_copy): Changed return type to item_t.
	(gui_kill): Same.

	* callbacks.c (gui_copy): Removed handling of ap->yanked.
	(gui_kill): Same.
	(menu_activated): Calls aris_proof_copy, aris_proof_kill, and aris_proof_yank
	instead of gui_copy, gui_kill, and gui_yank.

	* aris-proof.c (aris_proof_copy): Added functionality to copy the focused or
	selected lines.
	(aris_proof_kill): Added functionality to kill the focused or selected lines.

	* aris-proof.h (aris_proof_copy): Added.
	(aris_proof_kill): Added.
	(aris_proof_yank): Added.
	Added selected element to aris_proof struct.

	* sentence.h (sentence_set_reference): Added additional parm for
	entire subproof.

	* sentence.c (sentence_init): Added implementation for indices.
	(sentence_set_reference): Accounts for subproofs.
	(select_reference): Implemented subproofs and indices.
	Added checks for verbose when adding or removing a reference.
	(sentence_check_entire): Added to check if only the subproof premise or the
	entire subproof should be selected.
	(sentence_in): Added call to sentence_check_entire.
	(sentence_out): Same thing.

2012-03-01  Ian Dunn  <scholar42@gmail.com>

	* process.h: Added check for win32, to remove internationalization.

	* rules.h: Added check for win32, to remove internationalization.

	* configure.ac: Added symbol into config.h for WIN32 build.

2012-02-28  Ian Dunn  <scholar42@gmail.com>

	* callbacks.c (sentence_btn_release): Added check for shift+button-1.
	(sentence_btn_press): Added check for shift+button-1.

	* app.h: Added burnt_orange to colors enum.

	* process-equiv.c (proc_dm): Fixed some return strings.
	(proc_dm): Added recursion.

	* process-bool.c (proc_sn): Added implementation.

2012-02-27  Ian Dunn  <scholar42@gmail.com>

	* process-bool.c (proc_sn): Added initial difference checking.

	* process.h: Changed cli connective for contradiction to ^.

	* sentence.c (select_reference): Implements app's verbose flag.
	(sentence_key): Implemented verbose flag.
	(sentence_key): Changed key code for contradiction.

	* aris.c (main): Initializes app with verbose flag.

	* aris-proof.c (aris_proof_init): Sets add_subproof and end_subproof menu
	items to insensitive when boolean mode is active.

	* app.c (init_app): Added initialization for boolean element.
	(init_app): Added parm for verbose flag.

	* app.h: Added boolean element to app structure.
	Added verbose element to app structure.

2012-02-26  Ian Dunn  <scholar42@gmail.com>

	* process.h: Changed cli connective for contradiction to /.

	* process-quant.c (proc_nq): Fixed bug.

	* process-equiv.c (proc_eq): Cleaned up.

2012-02-25  Ian Dunn  <scholar42@gmail.com>

	* process-equiv.c (proc_as): Fixed bug.

	* app.c (init_app): Added parm for boolean flag.

	* rules-table.c (rules_table_init): Added parm for boolean flag.
	(rules_table_init): Added initialization for boolean mode.
	(rules_table_init): Added tooltip text to the rules.

	* rules-table.h (rules_table_init): Added parm for boolean flag.

	* rules.h: Added values for 'bi', 'bn', 'bd', and 'sn' to rules enum.
	Added entries in rules_list for 'bi', 'bn', 'bd', and 'sn'.
	Added rules_names array.

	* aris.c (main): Added boolean flag.

2012-02-24  Ian Dunn  <scholar42@gmail.com>

	* process-equiv.c (proc_eq): Implemented find_unmatched.
	(all): No longer using unsigned ints with find_difference.

	* process-bool.c (proc_sn): Added.
	(proc_bn): Added check for correct connective/symbol pair.

	* process.h (proc_sn): Added definition.

2012-02-23  Ian Dunn  <scholar42@gmail.com>

	* all: Changed #defines in .h files to omit trailing and leading underscores.

	* process-misc.c: Added GPL notice.

	* process-main.c: Added GPL notice.

	* app.h: Added GPL notice.

	* aio.h: Added GPL notice.

	* process-bool.c (proc_bn): Added implementation.

2012-02-23  Ian Dunn  <scholar42@gmail.com>

	* aris.c (main): Finished implementation of file flag.

	* sen-data.c (sen_data_evaluate): Added.

	* process.c (collect_variables): Added, replaces sentence_collect_variables.

2012-02-22  Ian Dunn  <scholar42@gmail.com>

	* callbacks.c: Added internationalization to status bar messages.

	* aris-proof.c: Added internationalization to status bar messages.

	* process-bool.c: Added.
	(process_bool): Added.
	(proc_bi): Added.
	(proc_bd): Added.
	(proc_bn): Added.

	* process-quant.c: Added definitions of process functions.
	Added internationalization of return strings.

	* process-equiv.c: Added internationalization of return strings.

	* process-infer.c: Added internationalization of return strings.

	* vec.c, vec.h: Added commenting of functions.

2012-02-21  Ian Dunn  <scholar42@gmail.com>

	* process-equiv.c: Added definitions of process functions.

	* all: Added commenting on functions.

2012-02-20  Ian Dunn  <scholar42@gmail.com>

	* process-infer.c (proc_mp): Added definition.
	(proc_ad): Added definition.
	(proc_sm): Added definition.
	(proc_cn): Added definition.
	(proc_hs): Added definition.
	(proc_ds): Added definition.
	(proc_ex): Added definition.
	(proc_cd): Added definition.

	* process-quant.c (process_quantifiers): Changed checks for rules to include
	'bv' and 'fv'.

	* process.h (proc_ef): Changed to 'proc_lm'.

	* rules.h: Added RULE_SP to rules enum.
	Changed RULE_EF to RULE_LM, RULE_VS to RULE_BV, and RULE_IE to RULE_FV.

	* aio.h: Added #define for subproof data.

	* menu.c: Added MENU_ADD_SUB and MENU_END_SUB to menu id enum.

	* aris-proof.c (aris_proof_create_new_sub): Added.
	(aris_proof_end_sub): Added.
	Added 'add subproof' and 'end subproof' menu items.
	(aris_proof_create_sentence): Added checking for depth.

	* sentence.c (sentence_init): Initializes depth and subproof of sentence.
	(sentence_text_changed): Takes the text from GtkTextView instead of GtkEntry.
	(sentence_key): Changed implementation from GtkEntry to GtkTextView.

	* sen-data.c (sen_data_init): Added parameters 'subproof' and 'depth'.

	* sen-data.h: Added 'subproof' member to sen_data struct.

	* sentence.h: Changed 'entry' from GtkEntry to GtkTextView.

2012-02-19  Ian Dunn  <scholar42@gmail.com>

	* sentence.h: Removed 'font' member from sentence struct.

	* aris-proof.h: Added sen_parent 'sp' member to aris_proof struct.

2012-02-16  Ian Dunn  <scholar42@gmail.com>

	* process-quant.c (process_quantifiers): Added implementation for 'nq'.

2012-02-15  Ian Dunn  <scholar42@gmail.com>

	* all: changed 'memcmp' to strncmp.

	* process-equiv.c (process_equivalence): Changed 'memcmp' sto strncmp.
	(process_equivalence): Finished quantifier 'dm' implementation.

	* process-infer.c (process_inference): Changed 'memcmp' to strncmp.

	* process.h (str_eq): Removed.

	* all: changed 'str_eq' calls to '!strcmp'.

2012-02-14  Ian Dunn  <scholar42@gmail.com>

	* process.c (find_top_connective): Implementation changed to a specific case of get_generalities (one that only has two generalities).
	Changed type of process.c - removed 'const' identifier from 'conn'.

	* process-quant.c (process_quantifiers): Finished implementation of 'ie'.
	Finished implementation of 'pr'.

	* process-equiv.c (process_equivalence): Added implementation of quantifier distribution.

2012-02-13  Ian Dunn  <scholar42@gmail.com>

	* process-quant.c (process_quantifiers): Altered implementation of quant_infer.

	* process.c (quant_infer): Accounted for possibility of function symbols.
	Changed type, removed 'arb_var', and added 'vars' and 'type'.

	* sentence.h: Changed sentence element 'vars' to unsigned char **.

2012-02-11  Ian Dunn  <scholar42@gmail.com>

	* process-equiv.c (process_equivalence): Fixed 'id' parenthesis error.

	* process.h (proc_sp): Added declaration.

	* process-misc.c (proc_sp): Began definition.

	* process-misc.c (proc_ef): 'ef' allows for different ordering of premises.

	* vec.c (vec_pop_obj): Added definition - removes last element.

	* vec.h (vec_pop_obj): Added declaration.

2012-02-10  Ian Dunn  <scholar42@gmail.com>

	* process-equiv.c (process_equivalence): Finished 'sb' implementation.
	(find_difference): Moved to process.c

2012-02-09  Ian Dunn  <scholar42@gmail.com>

	* process.c (check_text): Implemented check_generalities.

	* vec.c (destroy_str_vec): Added definition - frees memory used by string
	vectors.

	* vec.h: Added declaration of destroy_str_vec.

2012-02-06  Ian Dunn  <scholar42@gmail.com>

	* aio.c (aio_open): Checks for file data member being empty string.

	* process.c (check_generalities): Added definition.

	* process.h: Added declaration of check_generalities.

	* process.c (check_text): Added generalities checking.

2012-02-05  Ian Dunn  <scholar42@gmail.com>

	* process-misc.c (proc_ef): Added more implementation.
	Finished implementation, except for error handling and vector removal.

	* process.h: Changed ID_VARSTART to ID_SENEND.

2012-02-03  Ian Dunn  <dunni@rpi.ed>

	* sentence.h: Added proof member to sentence struct.

	* proces.c (get_ids): Added flag for gui/cli conns.

	* Makefile.am: Added 'process-misc.c' to aris_SOURCES element.

	* process-misc.c (proc_ef): Added.

	* process-misc.c: Added.

	* process.h: Added proc_ef declaration.

	* rules-table.c (rule_toggled): Added implemenation to get external file.

	* aris.c (main): Added checking for external file file specifier.

2012-02-01  Ian Dunn  <scholar42@gmail.com>

	* aris.c (main): Added text checking for the conclusion for cli.

	* process.h: Changed type of get_ids.

	* process.c (get_ids): Changed type.

2012-01-31  Ian Dunn  <scholar42@gmail.com>

	* process.c: Added definition of get_ids.

	* aris.c (main): Added text checking for each premise for cli.

2012-01-30  Ian Dunn  <scholar42@gmail.com>

	* process.h: Added connectives_list struct.
	Added global connectives_lists cli_conns, gui_conns, and main_conns.
	Changed #defines for connectives, makes cli usable.
	Added declaration for get_ids.

2012-01-29  Ian Dunn  <scholar42@gmail.com>

	* sentence.c (sentence_text_changed): Null terminated sen->text.

2012-01-28  Ian Dunn  <scholar42@gmail.com>

	* sen_parent.h: Fixed typo on sen_parent_destroy declaration.
	Added declaration for sen_parent_set_sb.

	* configure.ac: Set compilation flags to C99.

2012-01-27  Ian Dunn  <scholar42@gmail.com>

	* process.h: Added id enumeration.
	Added sen_id struct.

2012-01-26  Ian Dunn  <scholar42@gmail.com>

	* process-equiv.c (process_equivalence): Implemented parse_par_parts in all
	sections as necessary.

2012-01-24  Ian Dunn  <scholar42@gmail.com>

	* process-equiv.c (process_equivalence): Implemented parse_par_parts.
	(find_unmatched): Added.
	(process_equivalence): Implemented find_unmatched in 'as' and 'sb'.

2012-01-19  Ian Dunn  <scholar42@gmail.com>

	* process.c (get_generalities): Added comments.

2012-01-17  Ian Dunn  <scholar42@gmail.com>

	* callbacks.c (gui_help): Uses help_file member of the_app to open help.

	* aris.c (main): Uses argv[0] to determine working_dir and help_file.

	* app.c (init_app): Dynamically allocate help_file and working_dir members.
	(app_quit): Added calls to free() for help_file and working_dir.

	* app.h: Added help_file member to app structure.

2012-01-12  Ian Dunn  <scholar42@gmail.com>

	* process.c: Removed parse functions.
	(get_generalities): Uses parse_par_parts to determine generalities.

	* parse.c: Added to hold parse functions.

	* process.h (parse_par_parts): Added.
	Rearranged function declarations for order and readability.

2012-01-02  Ian Dunn  <scholar42@gmail.com>

	* sen-data.c (sen_data_init): Text member allocated to the exact amount
	of characters.

	* process-equiv.c (process_equivalence): Fixed 'id' to zero end of
	connective.

	* app.h Added working_dir member.

2011-12-28  Ian Dunn  <scholar42@gmail.com>

	* callbacks.c (gui_set_custom): Added.
	(menu_activated): Added implementation for custom font size.
	(rule_menu_activated): Added implementation for custom font size.

	* app.h: Added enum entry FONT_TYPE_CUSTOM.

	* menu.h: Added enum entry MENU_CUSTOM.

	* aris-proof.c: Added custom font size menu item.

	* rules-table.c: Added custom font size menu item.

2011-12-28  Ian Dunn  <scholar42@gmail.com>

	* callbacks.c (rule_menu_activated): Added entries for fonts.
	(gui_about): Added more information to the about dialog.

	* rules-table.c (rules_table_set_font): Added.
	Added font menu to rules table.
	(rules_table_init): Removed gtk_widget_set_size_request (rt->window).

	* rules-table.h: Added font member to rules_table.

	* app.h: Changed font sizes.

2011-12-27  Ian Dunn  <scholar42@gmail.com>

	* process-equiv.c (process_equivalence): Finished implementation of
	standard dt.

2011-12-21  Ian Dunn  <scholar42@gmail.com>

	* callbacks.c (goal_menu_activate): Sets parent's status bar when
	goal hidden.

	* process-equiv.c (process_equivalence): Fixed bug in 'co' - correctly
	accounts for parenthesis.
	(process_equivalence): Fixed bug in 'eq' - Correctly finds biconditional.
	(process_equivalence): 'as' and 'im' correctly implement recursion.

	* aris.c (main): Set to show rules table after first gui shown.

	* rules-table.c (rules_table_init): No longer shows rules table on creation.

	* rules-table.h (rules_table_align): Added.

	* aris-proof.c (aris_proof_collect_vars): Accounts for dst_ptr == NULL.

	* process.c (check_text): Added.

2011-12-20  Ian Dunn  <scholar42@gmail.com>

	* goal.c (goal_check_line): Sets background of proof sentence
	line number to crimson if errors leading up to it, emerald if everything
	checks out.

	* app.h: Added crimson and emerald to background colors.

	* sentence.c (sentence_gui_init): Placed line number label inside event box.

	* sentence.h: Added event box member to sentence struct.

	* aio.c (aio_open): Allows for no conclusions.

2011-12-19  Ian Dunn  <scholar42@gmail.com>

	* process-equiv.c (process_equivalence): dm checks for correct parentheses
	position.
	(process_equivalence): Account for instance == 0 in 'dt'.
	(process_equivalence): Made 'as' recursive.
	Same for 'dn'.
	Same for 'im'.
	(process_equivalence): Added implementation for 'sb'.

	* app.c (the_app_set_focus): Accounted for the possibility that the
	newly focused proof was the tail of the_app->guis.

	* sen-data.c (sen_data_check_text): Changed return type to int.

	* process.c (check_conns): Shortened, set up to a single loop.

	* sentence.c (sentence_collect_variables): Fixed.

	* sen-data.h (sen_data_collect_vars): Added.

2011-12-18  Ian Dunn  <scholar42@gmail.com>
	* sentence.c (sentence_connect_signals): Connected to size-allocate;
	Fixes scrolling bug (I WON).

	* callbacks.h (sentence_mapped): Added.

	* aris-proof.c (aris_proof_init_from_proof): Set all sentences to white,
	fixes color bug.

	* process-infer.c (process_inference): Fixed double free bug in 'hs'.

	* process.c (check_sides): Changed tmp_str to static allocation.

	* process-equiv.c (process_equivalence): Added memory frees for 'ep'.
	(find_difference): Added.
	(process_equivalence): Cleaned up 'id', removing the redundant sections.
	(process_equivalence): Accounted for instance == 2 in 'dt'.

2011-12-17  Ian Dunn  <scholar42@gmail.com>

	* process-quant.c (process_quantifiers): Added implemenation for vec_nth.

	* process.c (quant_infer): Added implementation for vec_nth.

	* process-equiv.c (process_equivalence): Added implementation for vec_nth.
	(process_equivalence): Added implementation for 'ep'.

	* process-infer.c (process_inference): Added implementation for vec_nth.
	(process_inference): 'mp' - Checks for longest premise.
	(process_inference): 'ds' - Same.
	(process_inference): 'ad' - No longer accounts for commutativity.

	* vec.h (vec_nth): Added.

2011-12-16  Ian Dunn  <scholar42@gmail.com>

	* process.c (find_top_connective): Determines length of connective so that
	equals can be used as connective.

	* process-quant.c (process_quantifiers): Added implementation for 'ii'.

2011-12-15  Ian Dunn  <scholar42@gmail.com>

	* callbacks.c (goal_delete): Gets the current goal from the
	user data.

	* goal.c (goal_init): Connected signal to goal_focus_in.
	(goal_init): Set user data for signals to the current goal.

	* callbacks.h (goal_focus_in): Added.

	* processs-quant.c (process_quantifiers): Added inital checks for
	'ii' and 'ie'.

	* process-equiv.c (process_equivalence): Added initial checks for 'sb'
	and 'ep'.

	* rules-table.c (rules_table_init): Added additional rules to rules
	table.

	* rules.h: Added 'sb', 'ep', 'ii', and 'ie' to rules list.
	Removed 'av'.

	* aris.c (main): Changed argument errors to argument warnings, set
	to ignore invalid option arguments.
	(main): Added file flag usage.

	* aris-proof.c (aris_proof_set_filename): Set title to basename of
	new file name.

2011-12-14  Ian Dunn  <scholar42@gmail.com>

	* callbacks.c (gui_about): Added icon to about dialog.

	* menu.h: Separated typedef menu_item_data and menu_item_data
	definition.

	* icon.h: Created.

	* app.c (init_app): Added initialization of icon.
	(init_app): Set icon of rules window.
	(the_app_add_gui): Same for new gui and gui's goal window.
	Added include for goal.h and icon.h

	* app.h: Added icon element to app structure.

2011-12-13  Ian Dunn  <scholar42@gmail.com>

	* goal.c (goal_init_from_list): Added.

	* app.c (the_app_set_focus): Set so that guis->head is modified.

	* aio.c (aio_get_first_attribute): Added.
	(aio_get_next_attribute): Added.

	* all: Error checking on return values of EVERYTHING.

	* process.c (die_spaces_die): Changed return type to int.

	* vec.c (vec_add_obj): Changed return type to int.
	(vec_clear): Same.

	* aris-proof.h: Removed title member of aris_proof struct.

	* aris-proof.c (aris_proof_post_init): Changed return type to int.
	(aris_proof_adjust_lines): Same.
	(aris_proof_collect_vars): Same.
	(aris_proof_remove_sentence): Same.
	(aris_proof_set_title): Removed.
	(aris_proof_init_from_proof): Implemented goal_init_from_list.

	* sen-data.c (sen_data_check_text): Added.

	* sentence.c (sentence_init): Checks the type of parent, and sets the
	line number accordingly.
	(sentence_init): Added call to sentence_connect_signals.
	(sentece_init_to_goal): Removed.
	(sentence_collect_variables): Account for multiple variables.

	* goal.c (goal_destroy): Added.
	(goal_add_line): Changed sentence_init_to_goal to sentence_init)

	* sen-parent.c (sen_parent_destroy): Added.

2011-12-12  Ian Dunn  <scholar42@gmail.com>

	* all: Check return value on calloc.

	* all: Altered any while loops that iterate through lists to for loops.

	* aio.c (aio_save): Check for return value from xml calls
	(aio_save): Saves proof goals in place of proof variables.
	(aio_save): Saves sentence variables.
	(aio_save): Checks for largest ref line number when saving refs.

	* sen-data.c (sen_data_init): Copies variables.

	* sen-data.h: Modified sen-data struct to hold variables.

	* sentence.c (sentence_text_changed): Alters goal's corresponding
	proof sentence's line number color when goal's text is changed.
	(sentence_text_changed): Alters value of any sentences that
	reference the changed line.
	(sentence_check_text): Added.
	(sentence_copy_to_data): Copies variables into sen_data struct.
	(sentence_set_reference): Added.
	(sentence_in, sentence_out): Use sentence_set_reference.

	* sen-parent.c (sen_parent_set_sb): Added.

	* list.c (ls_find): Added.
	(ls_nth): Added.

	* src/Makefile.am: Added rules-table.c and rules-table.h to aris_SOURCES.

	Changed all files to account for rules-table.h and rules-table.c

	* rules-table.h: Created.

	* rules-table.c: Created from rules.c (renamed)

	* rules.h: Changed to only hold rules enumeration and list.
	Everything else put into rules-table.h.

	* aris-proof.c (aris_proof_to_proof): Stores goals in proof struct.

	* proof.h: Changed proof vars member to goals.

	* goal.c (goal_add_line): Sets the parent to changed.
	(goal_rem_line): Same.

	* callbacks.c (evaluate_line): Gave functionality.

	* process.h: Modifies connectives if GUI is being used.

2011-12-11  Ian Dunn  <scholar42@gmail.com>

	* WINDOWS: cross-compiled successfully

	* configure.ac: Modified for PKG_CHECK_MODULES

	* doc: Begin creation of documentation

	* config.h: Created for HELP_FILE definition

	* configure.ac: Modified for HELP_FILE definition

2011-12-10  Ian Dunn  <scholar42@gmail.com>

	* src/Makefile.am: Created.

	* Makefile.am: Created.

	* configure.ac: Created.
	Compilation flags changed from gtk+-3.0 to gtk+-2.0
