lsp: improved completions;

vscode: removed unused code;

vscode: removed README because its content is outdated;

vscode: disabled whitespace rendering by default because the whitespace symbol is not monospace;

lsp: added symbol conversion request;

vscode: changed how options are inserted into package.json so that one can still call `npm install` without errors;

vscode: removed unused import;

vscode: changed vscode_unicode_symbols_edits option default to true;

vscode: made uri equality check on actual strings, not on the functions;

vscode: switched document_decoration map to use strings as keys instead of Uris, because Uri equality check is inconsistent; disabled decoration requests as decoration caching is already done on client-side;

lsp: added rudimentary indenting to code actions;

vscode: adjusted setting description;

lsp: added support for code actions to apply active sendback markups;

lsp: clarified WorkspaceEdit;

lsp: made TextDocumentEdit accept optional versions;

lsp: tuned;

lsp: removed code that is never run;

lsp: created distinction for unicode symbols setting between output and edits and clarified output text functions;

clarified PIDE/line range conversions;

lsp: refactored conversion from Decoration_List to JSON;

lsp: tuned pretty_text_panel;

lsp: removed output_pretty_panel function as its logic is now in pretty_text_panel;

vscode: added more relevant options;

lsp: converted state panel to use a pretty text panel;

lsp: converted dynamic output to use a pretty text panel;

lsp: added Pretty_Text_Panel module;

vscode: added relevant isabelle options to vscode settings;

vscode: indent;