diff --git a/src/Pure/Admin/build_jedit.scala b/src/Pure/Admin/build_jedit.scala
--- a/src/Pure/Admin/build_jedit.scala
+++ b/src/Pure/Admin/build_jedit.scala
@@ -1,678 +1,678 @@
 /*  Title:      Pure/Admin/build_jedit.scala
     Author:     Makarius
 
 Build auxiliary jEdit component.
 */
 
 package isabelle
 
 
 object Build_JEdit
 {
   /* modes */
 
   object Mode
   {
     val empty: Mode = new Mode("", "", Nil)
 
     val init: Mode =
       empty +
         ("noWordSep" -> """_'?⇩\^<>""") +
         ("unalignedOpenBrackets" -> "{[(«‹⟨⌈⌊⦇⟦⦃⦉") +
         ("unalignedCloseBrackets" -> "⦊⦄⟧⦈⌋⌉⟩›»)]}") +
         ("tabSize" -> "2") +
         ("indentSize" -> "2")
 
     val list: List[Mode] =
     {
       val isabelle_news: Mode = init.define("isabelle-news", "Isabelle NEWS")
 
       val isabelle: Mode =
         init.define("isabelle", "Isabelle theory") +
           ("commentStart" -> "(*") +
           ("commentEnd" -> "*)")
 
       val isabelle_ml: Mode = isabelle.define("isabelle-ml", "Isabelle/ML")
 
       val isabelle_root: Mode = isabelle.define("isabelle-root", "Isabelle session root")
 
       val isabelle_options: Mode = isabelle.define("isabelle-options", "Isabelle options")
 
       val sml: Mode =
         init.define("sml", "Standard ML") +
           ("commentStart" -> "(*") +
           ("commentEnd" -> "*)") +
           ("noWordSep" -> "_'")
 
       List(isabelle_news, isabelle, isabelle_ml, isabelle_root, isabelle_options, sml)
     }
   }
 
   final case class Mode private(name: String, description: String, rev_props: Properties.T)
   {
     override def toString: String = name
 
     def define(a: String, b: String): Mode = new Mode(a, b, rev_props)
 
     def + (entry: Properties.Entry): Mode =
       new Mode(name, description, Properties.put(rev_props, entry))
 
     def write(dir: Path): Unit =
     {
       require(name.nonEmpty && description.nonEmpty, "Bad Isabelle/jEdit mode content")
 
       val properties =
         rev_props.reverse.map(p =>
           Symbol.spaces(4) +
           XML.string_of_tree(XML.elem(Markup("PROPERTY", List("NAME" -> p._1, "VALUE" -> p._2)))))
 
       File.write(dir + Path.basic(name).xml,
 """<?xml version="1.0" encoding="UTF-8"?>
 <!DOCTYPE MODE SYSTEM "xmode.dtd">
 
 <!-- """ + XML.text(description) + """ mode -->
 <MODE>
   <PROPS>""" + properties.mkString("\n", "\n", "") + """
   </PROPS>
 </MODE>
 """)
     }
   }
 
 
   /* build jEdit component */
 
   private val download_jars: List[(String, String)] =
     List(
       "https://repo1.maven.org/maven2/com/google/code/findbugs/jsr305/3.0.2/jsr305-3.0.2.jar" ->
       "jsr305-3.0.2.jar")
 
   private val download_plugins: List[(String, String)] =
     List(
       "Code2HTML" -> "0.7",
       "CommonControls" -> "1.7.4",
       "Console" -> "5.1.4",
       "ErrorList" -> "2.4.0",
       "Highlight" -> "2.2",
       "Navigator" -> "2.7",
       "SideKick" -> "1.8")
 
   def build_jedit(
     component_dir: Path,
     version: String,
     original: Boolean = false,
     java_home: Path = default_java_home,
     progress: Progress = new Progress): Unit =
   {
     Isabelle_System.require_command("ant", test = "-version")
     Isabelle_System.require_command("patch")
     Isabelle_System.require_command("unzip", test = "-h")
 
     Isabelle_System.new_directory(component_dir)
 
 
     /* jEdit directory */
 
     val jedit = "jedit" + version
     val jedit_patched = jedit + "-patched"
 
     val jedit_dir = Isabelle_System.make_directory(component_dir + Path.basic(jedit))
     val jedit_patched_dir = component_dir + Path.basic(jedit_patched)
 
     def download_jedit(dir: Path, name: String, target_name: String = ""): Path =
     {
       val jedit_name = jedit + name
       val url =
         "https://sourceforge.net/projects/jedit/files/jedit/" +
           version + "/" + jedit_name + "/download"
       val path = dir + Path.basic(proper_string(target_name) getOrElse jedit_name)
       Isabelle_System.download_file(url, path, progress = progress)
       path
     }
 
     Isabelle_System.with_tmp_dir("tmp")(tmp_dir =>
     {
       /* original version */
 
       val install_path = download_jedit(tmp_dir, "install.jar")
       Isabelle_System.bash("""export CLASSPATH=""
 isabelle_java java -Duser.home=""" + File.bash_platform_path(tmp_dir) +
         " -jar " + File.bash_platform_path(install_path) + " auto " +
         File.bash_platform_path(jedit_dir) + " unix-script=off unix-man=off").check
 
       val source_path = download_jedit(tmp_dir, "source.tar.bz2")
       Isabelle_System.gnutar("-xjf " + File.bash_path(source_path), dir = jedit_dir).check
 
 
       /* patched version */
 
       Isabelle_System.copy_dir(jedit_dir, jedit_patched_dir)
 
       val source_dir = jedit_patched_dir + Path.basic("jEdit")
       val tmp_source_dir = tmp_dir + Path.basic("jEdit")
 
       progress.echo("Patching jEdit sources ...")
       for {
         file <- File.find_files(Path.explode("~~/src/Tools/jEdit/patches").file).iterator
         name = file.getName
         if !name.endsWith("~") && !name.endsWith(".orig")
       } {
         progress.bash("patch -p2 < " + File.bash_path(File.path(file)),
           cwd = source_dir.file, echo = true).check
       }
 
       for { theme <- List("classic", "tango") } {
         val path = Path.explode("org/gjt/sp/jedit/icons/themes/" + theme + "/32x32/apps/isabelle.gif")
         Isabelle_System.copy_file(Path.explode("~~/lib/logo/isabelle_transparent-32.gif"),
           source_dir + path)
       }
 
       progress.echo("Building jEdit ...")
       Isabelle_System.copy_dir(source_dir, tmp_source_dir)
       progress.bash("env JAVA_HOME=" + File.bash_platform_path(java_home) + " ant",
         cwd = tmp_source_dir.file, echo = true).check
       Isabelle_System.copy_file(tmp_source_dir + Path.explode("build/jedit.jar"), jedit_patched_dir)
     })
 
 
     /* jars */
 
     val jars_dir = Isabelle_System.make_directory(jedit_patched_dir + Path.basic("jars"))
 
     for { (url, name) <- download_jars } {
       Isabelle_System.download_file(url, jars_dir + Path.basic(name), progress = progress)
     }
 
     for { (name, vers) <- download_plugins } {
       Isabelle_System.with_tmp_file("tmp", ext = "zip")(zip_path =>
       {
         val url =
           "https://sourceforge.net/projects/jedit-plugins/files/" + name + "/" + vers + "/" +
             name + "-" + vers + "-bin.zip/download"
         Isabelle_System.download_file(url, zip_path, progress = progress)
         Isabelle_System.bash("unzip -x " + File.bash_path(zip_path), cwd = jars_dir.file).check
       })
     }
 
 
     /* resources */
 
     File.write(jedit_patched_dir + Path.explode("properties/jEdit.props"),
 """#jEdit properties
 autoReloadDialog=false
 buffer.deepIndent=false
 buffer.encoding=UTF-8-Isabelle
 buffer.indentSize=2
 buffer.lineSeparator=\n
 buffer.maxLineLen=100
 buffer.noTabs=true
 buffer.sidekick.keystroke-parse=false
 buffer.tabSize=2
 buffer.undoCount=1000
 close-docking-area.shortcut2=C+e C+CIRCUMFLEX
 complete-word.shortcut=
 console.dock-position=floating
 console.encoding=UTF-8
 console.font=Isabelle DejaVu Sans Mono
 console.fontsize=14
 delete-line.shortcut=A+d
 delete.shortcut2=C+d
 encoding.opt-out.Big5-HKSCS=true
 encoding.opt-out.Big5=true
 encoding.opt-out.COMPOUND_TEXT=true
 encoding.opt-out.EUC-JP=true
 encoding.opt-out.EUC-KR=true
 encoding.opt-out.GB2312=true
 encoding.opt-out.GB18030=true
 encoding.opt-out.GBK=true
 encoding.opt-out.IBM-Thai=true
 encoding.opt-out.IBM00858=true
 encoding.opt-out.IBM037=true
 encoding.opt-out.IBM01140=true
 encoding.opt-out.IBM01141=true
 encoding.opt-out.IBM01142=true
 encoding.opt-out.IBM01143=true
 encoding.opt-out.IBM01144=true
 encoding.opt-out.IBM01145=true
 encoding.opt-out.IBM01146=true
 encoding.opt-out.IBM01147=true
 encoding.opt-out.IBM01148=true
 encoding.opt-out.IBM01149=true
 encoding.opt-out.IBM273=true
 encoding.opt-out.IBM277=true
 encoding.opt-out.IBM278=true
 encoding.opt-out.IBM280=true
 encoding.opt-out.IBM284=true
 encoding.opt-out.IBM285=true
 encoding.opt-out.IBM297=true
 encoding.opt-out.IBM420=true
 encoding.opt-out.IBM424=true
 encoding.opt-out.IBM437=true
 encoding.opt-out.IBM500=true
 encoding.opt-out.IBM775=true
 encoding.opt-out.IBM850=true
 encoding.opt-out.IBM852=true
 encoding.opt-out.IBM855=true
 encoding.opt-out.IBM857=true
 encoding.opt-out.IBM860=true
 encoding.opt-out.IBM861=true
 encoding.opt-out.IBM862=true
 encoding.opt-out.IBM863=true
 encoding.opt-out.IBM864=true
 encoding.opt-out.IBM865=true
 encoding.opt-out.IBM866=true
 encoding.opt-out.IBM868=true
 encoding.opt-out.IBM869=true
 encoding.opt-out.IBM870=true
 encoding.opt-out.IBM871=true
 encoding.opt-out.IBM918=true
 encoding.opt-out.IBM1026=true
 encoding.opt-out.IBM1047=true
 encoding.opt-out.ISO-2022-CN=true
 encoding.opt-out.ISO-2022-JP-2=true
 encoding.opt-out.ISO-2022-JP=true
 encoding.opt-out.ISO-2022-KR=true
 encoding.opt-out.ISO-8859-2=true
 encoding.opt-out.ISO-8859-3=true
 encoding.opt-out.ISO-8859-4=true
 encoding.opt-out.ISO-8859-5=true
 encoding.opt-out.ISO-8859-6=true
 encoding.opt-out.ISO-8859-7=true
 encoding.opt-out.ISO-8859-8=true
 encoding.opt-out.ISO-8859-9=true
 encoding.opt-out.ISO-8859-13=true
 encoding.opt-out.JIS_X0201=true
 encoding.opt-out.JIS_X0212-1990=true
 encoding.opt-out.KOI8-R=true
 encoding.opt-out.KOI8-U=true
 encoding.opt-out.Shift_JIS=true
 encoding.opt-out.TIS-620=true
 encoding.opt-out.UTF-16=true
 encoding.opt-out.UTF-16BE=true
 encoding.opt-out.UTF-16LE=true
 encoding.opt-out.UTF-32=true
 encoding.opt-out.UTF-32BE=true
 encoding.opt-out.UTF-32LE=true
 encoding.opt-out.X-UTF-32BE-BOM=true
 encoding.opt-out.X-UTF-32LE-BOM=true
 encoding.opt-out.windows-31j=true
 encoding.opt-out.windows-1250=true
 encoding.opt-out.windows-1251=true
 encoding.opt-out.windows-1253=true
 encoding.opt-out.windows-1254=true
 encoding.opt-out.windows-1255=true
 encoding.opt-out.windows-1256=true
 encoding.opt-out.windows-1257=true
 encoding.opt-out.windows-1258=true
 encoding.opt-out.x-Big5-Solaris=true
 encoding.opt-out.x-EUC-TW=true
 encoding.opt-out.x-IBM737=true
 encoding.opt-out.x-IBM834=true
 encoding.opt-out.x-IBM856=true
 encoding.opt-out.x-IBM874=true
 encoding.opt-out.x-IBM875=true
 encoding.opt-out.x-IBM921=true
 encoding.opt-out.x-IBM922=true
 encoding.opt-out.x-IBM930=true
 encoding.opt-out.x-IBM933=true
 encoding.opt-out.x-IBM935=true
 encoding.opt-out.x-IBM937=true
 encoding.opt-out.x-IBM939=true
 encoding.opt-out.x-IBM942=true
 encoding.opt-out.x-IBM942C=true
 encoding.opt-out.x-IBM943=true
 encoding.opt-out.x-IBM943C=true
 encoding.opt-out.x-IBM948=true
 encoding.opt-out.x-IBM949=true
 encoding.opt-out.x-IBM949C=true
 encoding.opt-out.x-IBM950=true
 encoding.opt-out.x-IBM964=true
 encoding.opt-out.x-IBM970=true
 encoding.opt-out.x-IBM1006=true
 encoding.opt-out.x-IBM1025=true
 encoding.opt-out.x-IBM1046=true
 encoding.opt-out.x-IBM1097=true
 encoding.opt-out.x-IBM1098=true
 encoding.opt-out.x-IBM1112=true
 encoding.opt-out.x-IBM1122=true
 encoding.opt-out.x-IBM1123=true
 encoding.opt-out.x-IBM1124=true
 encoding.opt-out.x-IBM1381=true
 encoding.opt-out.x-IBM1383=true
 encoding.opt-out.x-IBM33722=true
 encoding.opt-out.x-ISCII91=true
 encoding.opt-out.x-ISO-2022-CN-CNS=true
 encoding.opt-out.x-ISO-2022-CN-GB=true
 encoding.opt-out.x-JIS0208=true
 encoding.opt-out.x-JISAutoDetect=true
 encoding.opt-out.x-Johab=true
 encoding.opt-out.x-MS932_0213=true
 encoding.opt-out.x-MS950-HKSCS=true
 encoding.opt-out.x-MacArabic=true
 encoding.opt-out.x-MacCentralEurope=true
 encoding.opt-out.x-MacCroatian=true
 encoding.opt-out.x-MacCyrillic=true
 encoding.opt-out.x-MacDingbat=true
 encoding.opt-out.x-MacGreek=true
 encoding.opt-out.x-MacHebrew=true
 encoding.opt-out.x-MacIceland=true
 encoding.opt-out.x-MacRoman=true
 encoding.opt-out.x-MacRomania=true
 encoding.opt-out.x-MacSymbol=true
 encoding.opt-out.x-MacThai=true
 encoding.opt-out.x-MacTurkish=true
 encoding.opt-out.x-MacUkraine=true
 encoding.opt-out.x-PCK=true
 encoding.opt-out.x-SJIS_0213=true
 encoding.opt-out.x-UTF-16LE-BOM=true
 encoding.opt-out.x-euc-jp-linux=true
 encoding.opt-out.x-eucJP-Open=true
 encoding.opt-out.x-iso-8859-11=true
 encoding.opt-out.x-mswin-936=true
 encoding.opt-out.x-windows-874=true
 encoding.opt-out.x-windows-949=true
 encoding.opt-out.x-windows-950=true
 encoding.opt-out.x-windows-50220=true
 encoding.opt-out.x-windows-50221=true
 encoding.opt-out.x-windows-iso2022jp=true
 encodingDetectors=BOM XML-PI buffer-local-property
 end.shortcut=
 expand-abbrev.shortcut2=CA+SPACE
 expand-folds.shortcut=
 fallbackEncodings=UTF-8 ISO-8859-15 US-ASCII
 firstTime=false
 focus-buffer-switcher.shortcut2=A+CIRCUMFLEX
 foldPainter=Circle
 gatchan.highlight.overview=false
 helpviewer.font=Isabelle DejaVu Serif
 helpviewer.fontsize=12
 home.shortcut=
 hypersearch-results.dock-position=right
 insert-newline-indent.shortcut=
 insert-newline.shortcut=
 isabelle-debugger.dock-position=floating
 isabelle-documentation.dock-position=left
 isabelle-export-browser.label=Browse theory exports
 isabelle-output.dock-position=bottom
 isabelle-output.height=174
 isabelle-output.width=412
 isabelle-query.dock-position=bottom
 isabelle-session-browser.label=Browse session information
 isabelle-simplifier-trace.dock-position=floating
 isabelle-sledgehammer.dock-position=bottom
 isabelle-state.dock-position=right
 isabelle-symbols.dock-position=bottom
 isabelle-theories.dock-position=right
 isabelle.antiquoted_cartouche.label=Make antiquoted cartouche
 isabelle.complete-word.label=Complete word
 isabelle.complete.label=Complete Isabelle text
 isabelle.complete.shortcut2=C+b
 isabelle.control-bold.label=Control bold
 isabelle.control-bold.shortcut=C+e RIGHT
 isabelle.control-emph.label=Control emphasized
 isabelle.control-emph.shortcut=C+e LEFT
 isabelle.control-reset.label=Control reset
 isabelle.control-reset.shortcut=C+e BACK_SPACE
 isabelle.control-sub.label=Control subscript
 isabelle.control-sub.shortcut=C+e DOWN
 isabelle.control-sup.label=Control superscript
 isabelle.control-sup.shortcut=C+e UP
 isabelle.decrease-font-size.label=Decrease font size
 isabelle.decrease-font-size.shortcut2=C+SUBTRACT
 isabelle.decrease-font-size.shortcut=C+MINUS
 isabelle.decrease-font-size2.label=Decrease font size (clone)
 isabelle.draft.label=Show draft in browser
 isabelle.exclude-word-permanently.label=Exclude word permanently
 isabelle.exclude-word.label=Exclude word
 isabelle.first-error.label=Go to first error
 isabelle.first-error.shortcut=CS+a
 isabelle.goto-entity.label=Go to definition of formal entity at caret
 isabelle.goto-entity.shortcut=CS+d
 isabelle.include-word-permanently.label=Include word permanently
 isabelle.include-word.label=Include word
 isabelle.increase-font-size.label=Increase font size
 isabelle.increase-font-size.shortcut2=C+ADD
 isabelle.increase-font-size.shortcut=C+PLUS
 isabelle.increase-font-size2.label=Increase font size (clone)
 isabelle.increase-font-size2.shortcut=C+EQUALS
 isabelle.java-monitor.label=Java/VM monitor
 isabelle.last-error.label=Go to last error
 isabelle.last-error.shortcut=CS+z
 isabelle.message.label=Show message
 isabelle.message.shortcut=CS+m
 isabelle.newline.label=Newline with indentation of Isabelle keywords
 isabelle.newline.shortcut=ENTER
 isabelle.next-error.label=Go to next error
 isabelle.next-error.shortcut=CS+n
 isabelle.options.label=Isabelle options
 isabelle.prev-error.label=Go to previous error
 isabelle.prev-error.shortcut=CS+p
 isabelle.preview.label=Show preview in browser
 isabelle.reset-continuous-checking.label=Reset continuous checking
 isabelle.reset-font-size.label=Reset font size
 isabelle.reset-node-required.label=Reset node required
 isabelle.reset-words.label=Reset non-permanent words
 isabelle.select-entity.label=Select all occurences of formal entity at caret
 isabelle.select-entity.shortcut=CS+ENTER
 isabelle.set-continuous-checking.label=Set continuous checking
 isabelle.set-node-required.label=Set node required
 isabelle.toggle-breakpoint.label=Toggle Breakpoint
 isabelle.toggle-continuous-checking.label=Toggle continuous checking
 isabelle.toggle-continuous-checking.shortcut=C+e ENTER
 isabelle.toggle-node-required.label=Toggle node required
 isabelle.toggle-node-required.shortcut=C+e SPACE
 isabelle.tooltip.label=Show tooltip
 isabelle.tooltip.shortcut=CS+b
 isabelle.update-state.label=Update state output
 isabelle.update-state.shortcut=S+ENTER
 lang.usedefaultlocale=false
 largefilemode=full
 line-end.shortcut=END
 line-home.shortcut=HOME
 logo.icon.medium=32x32/apps/isabelle.gif
 lookAndFeel=com.formdev.flatlaf.FlatLightLaf
 match-bracket.shortcut2=C+9
 metal.primary.font=Isabelle DejaVu Sans
 metal.primary.fontsize=12
 metal.secondary.font=Isabelle DejaVu Sans
 metal.secondary.fontsize=12
 navigator.showOnToolbar=true
 new-file-in-mode.shortcut=
 next-bracket.shortcut2=C+e C+9
 options.shortcuts.deletekeymap.label=Delete
 options.shortcuts.duplicatekeymap.dialog.title=Keymap name
 options.shortcuts.duplicatekeymap.label=Duplicate
 options.shortcuts.resetkeymap.dialog.title=Reset keymap
 options.shortcuts.resetkeymap.label=Reset
 options.textarea.lineSpacing=1
 plugin-blacklist.MacOSX.jar=true
 plugin.MacOSXPlugin.altDispatcher=false
 plugin.MacOSXPlugin.disableOption=true
 prev-bracket.shortcut2=C+e C+8
 print.font=Isabelle DejaVu Sans Mono
 print.glyphVector=true
 recent-buffer.shortcut2=C+CIRCUMFLEX
 restore.remote=false
 restore=false
 search.subdirs.toggle=true
 select-block.shortcut2=C+8
 sidekick-tree.dock-position=right
 sidekick.auto-complete-popup-get-focus=true
 sidekick.buffer-save-parse=true
 sidekick.complete-delay=0
 sidekick.complete-instant.toggle=false
 sidekick.complete-popup.accept-characters=\\t
 sidekick.complete-popup.insert-characters=
 sidekick.persistentFilter=true
 sidekick.showFilter=true
 sidekick.splitter.location=721
 systrayicon=false
 tip.show=false
 toggle-full-screen.shortcut2=S+F11
 toggle-multi-select.shortcut2=C+NUMBER_SIGN
 toggle-rect-select.shortcut2=A+NUMBER_SIGN
 twoStageSave=false
 vfs.browser.dock-position=left
 vfs.favorite.0.type=1
 vfs.favorite.0=$ISABELLE_HOME
 vfs.favorite.1.type=1
 vfs.favorite.1=$ISABELLE_HOME_USER
 vfs.favorite.2.type=1
 vfs.favorite.2=$JEDIT_HOME
 vfs.favorite.3.type=1
 vfs.favorite.3=$JEDIT_SETTINGS
 vfs.favorite.4.type=1
 vfs.favorite.4=isabelle-export:
 vfs.favorite.5.type=1
 vfs.favorite.5=isabelle-session:
 view.antiAlias=subpixel HRGB
 view.blockCaret=true
 view.caretBlink=false
 view.docking.framework=PIDE
 view.eolMarkers=false
 view.extendedState=0
 view.font=Isabelle DejaVu Sans Mono
 view.fontsize=18
 view.fracFontMetrics=false
 view.gutter.font=Isabelle DejaVu Sans Mono
 view.gutter.fontsize=12
 view.gutter.lineNumbers=false
 view.gutter.selectionAreaWidth=18
 view.height=850
 view.middleMousePaste=true
 view.showToolbar=true
 view.status.memory.background=#666699
 view.status=( mode , fold , encoding ) locked wrap multiSelect rectSelect overwrite lineSep buffersets task-monitor java-status ml-status errors clock
 view.thickCaret=true
 view.width=1200
 xml-insert-closing-tag.shortcut=
 """)
 
     val modes_dir = jedit_patched_dir + Path.basic("modes")
 
     Mode.list.foreach(_.write(modes_dir))
 
     File.change_lines(modes_dir + Path.basic("catalog"),
       _.flatMap(line =>
           if (line.containsSlice("FILE=\"ml.xml\"") ||
             line.containsSlice("FILE_NAME_GLOB=\"*.{sml,ml}\"") ||
             line.containsSlice("FILE_NAME_GLOB=\"*.ftl\"")) Nil
           else if (line.containsSlice("NAME=\"jamon\"")) {
             List(
               """<MODE NAME="isabelle" FILE="isabelle.xml" FILE_NAME_GLOB="{*.thy,ROOT0.ML,ROOT.ML}"/>""",
               "",
               """<MODE NAME="isabelle-ml" FILE="isabelle-ml.xml" FILE_NAME_GLOB="*.ML"/>""",
               "",
               """<MODE NAME="isabelle-news" FILE="isabelle-news.xml"/>""",
               "",
               """<MODE NAME="isabelle-options" FILE="isabelle-options.xml"/>""",
               "",
               """<MODE NAME="isabelle-root" FILE="isabelle-root.xml" FILE_NAME_GLOB="ROOT"/>""",
               "",
               line)
           }
           else if (line.containsSlice("NAME=\"sqr\"")) {
             List(
               """<MODE NAME="sml" FILE="sml.xml" FILE_NAME_GLOB="*.{sml,sig}"/>""",
               "",
               line)
           }
           else List(line)))
 
 
     /* doc */
 
     val doc_dir = jedit_patched_dir + Path.basic("doc")
 
     download_jedit(doc_dir, "manual-a4.pdf", target_name = "jedit-manual.pdf")
 
     Isabelle_System.copy_file(
       doc_dir + Path.basic("CHANGES.txt"), doc_dir + Path.basic("jedit-changes"))
 
     File.write(doc_dir + Path.basic("Contents"),
 """Original jEdit Documentation
   jedit-manual    jEdit User's Guide
   jedit-changes   jEdit Version History
 
 """)
 
 
     /* diff */
 
     Isabelle_System.bash(
       "diff -ru " + Bash.string(jedit) + " " + Bash.string(jedit_patched) +
         " > " + Bash.string(jedit + ".patch"),
       cwd = component_dir.file).check_rc(_ <= 1)
 
     if (!original) Isabelle_System.rm_tree(jedit_dir)
 
 
     /* etc */
 
     val etc_dir = Isabelle_System.make_directory(component_dir + Path.explode("etc"))
 
     File.write(etc_dir + Path.explode("settings"),
       """# -*- shell-script -*- :mode=shellscript:
 
 ISABELLE_JEDIT_HOME="$COMPONENT/""" + jedit_patched + """"
 ISABELLE_JEDIT_JARS=""" +
         File.read_dir(jars_dir).map("$ISABELLE_JEDIT_HOME/jars/" + _).mkString("\"", ":", "\"\n")
 )
 
 
     /* README */
 
     File.write(component_dir + Path.basic("README"),
 """This is a slightly patched version of jEdit """ + version + """ from
 https://sourceforge.net/projects/jedit/files/jedit with some
 additional plugins jars from
 https://sourceforge.net/projects/jedit-plugins/files
 
 
         Makarius
         """ + Date.Format.date(Date.now()) + "\n")
   }
 
 
 
   /** Isabelle tool wrappers **/
 
   val default_version = "5.6.0"
   def default_java_home: Path = Path.explode("$JAVA_HOME").expand
 
   val isabelle_tool =
     Isabelle_Tool("build_jedit", "build auxiliary jEdit component", Scala_Project.here, args =>
     {
       var target_dir = Path.current
       var java_home = default_java_home
       var original = false
       var version = default_version
 
       val getopts = Getopts("""
 Usage: isabelle build_jedit [OPTIONS]
 
   Options are:
     -D DIR       target directory (default ".")
     -J JAVA_HOME Java version for building jedit.jar (e.g. version 11)
     -O           retain copy of original jEdit directory
     -V VERSION   jEdit version (default: """ + quote(default_version) + """)
 
   Build auxiliary jEdit component from original sources, with some patches.
 """,
         "D:" -> (arg => target_dir = Path.explode(arg)),
         "J:" -> (arg => java_home = Path.explode(arg)),
-        "O" -> (arg => original = true),
+        "O" -> (_ => original = true),
         "V:" -> (arg => version = arg))
 
       val more_args = getopts(args)
       if (more_args.nonEmpty) getopts.usage()
 
       val component_dir =
         target_dir + Path.basic("jedit_build-" + Date.Format.alt_date(Date.now()))
 
       val progress = new Console_Progress()
 
       build_jedit(component_dir, version, original = original,
         java_home = java_home, progress = progress)
     })
 }