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;

lsp: extracted panel content generation logic;

vscode: added all fonts to extension;

added vscode options tag;

vscode: tuned;

lsp: refactored non-html dynamic/state output;

vscode: reduced how often symbol width gets measured;

vscode: IsabelleDejaVuSansMono for state and output panel;

vscode: added decoration request on file switch;

lsp: added decoration_request notification;

lsp: added decorations to state updates;

lsp: added delay to dynamic_output updates after a set_margin;

lsp: added conversion of symbols for dynamic output so that decoration ranges consider vscode_unicode_symbols setting;