Registry: add descriptions for several properties

platform/util/resources/misc/registry.properties

@@ -36,11 +36,16 @@ actionSystem.quickAccessEnabled=false
 actionSystem.quickAccessModifiers=
 actionSystem.quickAccessShowSpotsTime=1500
 actionSystem.win.suppressAlt=true
+
 actionSystem.win.suppressAlt.new=true
+actionSystem.win.suppressAlt.new.description=Enables another approach to consume Alt which may move focus to main menu (Windows L&F only).
+
 actionSystem.mouseGesturesEnabled=true
 actionSystem.assertFocusAccessFromEdt=true
 actionSystem.enableAbbreviations=true
+
 actionSystem.extendedKeyCode.disabled=false
+actionSystem.extendedKeyCode.disabled.description=Disables our key processing that uses extended code to determine a shortcut.
 
 color.blindness.icon.filter=false
 color.blindness.daltonization=false
@@ -51,7 +56,10 @@ ide.debugMode.description=Record additional information to make bug reports more
 ide.forcedShowTooltip=alt
 ide.forcedShowTooltip.description=Shortcut for forced show tooltip.
 ide.popup.dropShadow=false
+
 ide.popup.resizable.border.sensitivity=4
+ide.popup.resizable.border.sensitivity.description=Amount of pixels from the edge of undecorated popup to listen resize events.
+
 ide.consumeKnownToolkitBugs=true
 ide.highlight.match.in.selected.only=true
 ide.lazyIconLoading=true
@@ -113,7 +121,10 @@ ide.scroll.default.unit.increment=false
 ide.scroll.default.unit.increment.description=Use default unit increment from Java (may decrease scrolling performance). // Malenkov
 
 ide.scroll.align.component=true
+
 ide.scroll.background.auto=true
+ide.scroll.background.auto.description=Use background color of a view to paint viewport, scroll pane, and scroll bars.
+
 ide.scroll.thumb.small.if.opaque=true
 
 mac.scroll.horizontal.gap=false
@@ -172,7 +183,10 @@ skip.untitled.windows.for.mac.messages=false
 skip.untitled.windows.for.mac.messages.description=Temporary key to test a fix for MacMessages
 ide.mac.mountain.lion.notifications.enabled=true
 ide.mac.inplaceDialogMnemonicsFix=false
+
 ide.mac.alt.mnemonic.without.ctrl=true
+ide.mac.alt.mnemonic.without.ctrl.description=Processes Alt-based shortcuts for mnemonics in addition to Ctrl+Alt-based shortcuts. Affect MacOS only.
+
 ide.mac.fix.dialog.showing=false
 ide.mac.hide.cursor.when.typing=true
 ide.mac.show.native.help=true
@@ -290,7 +304,9 @@ vcs.unversioned.files.in.commit=true
 psi.incremental.reparse.depth.limit=1000
 psi.deferIconLoading=true
 psi.track.invalidation=true
+
 psi.element.list.cell.renderer.focus.border.enabled=false
+psi.element.list.cell.renderer.focus.border.enabled.description=Enables default focus border in a list of PSI elements. // Malenkov
 
 ide.suggest.file.when.creating.filename.like.directory=true
 ide.suggest.file.when.creating.filename.like.directory.description=When creating a directory named foo.txt, suggest to create a file with such a name instead
@@ -576,7 +592,11 @@ console.too.much.text.buffer.ratio.description=Used for disabling of console pro
   The ratio is used against the console cycle buffer size (idea.cycle.buffer.size/theRatio=maxTextLength).
 
 ide.settings.keymap.input.method.enabled=false
+ide.settings.keymap.input.method.enabled.description=Use input method instead of simple key event to enter shortcuts.
+
 ide.settings.configurable.loading.threshold=0
+ide.settings.configurable.loading.threshold.description=A positive number of milliseconds starts debugging of Settings loading.
+
 ide.settings.replace.group.with.single.configurable=true
 ide.settings.old.style=true
 
@@ -651,6 +671,8 @@ editor.bold.underline.height=2
 editor.bold.underline.height.description=Underline height for EffectType.BOLD_LINE_UNDERSCORE
 
 error.stripe.enabled=true
+error.stripe.enabled.description=Shows error stripes in the project view.
+
 error.stripe.gap=1
 error.stripe.gap.description=Minimal space between error stripe.