Doc'ing and POT-izing macOS menu translation

h/t Mark Kim (for https://sourceforge.net/p/tuxpaint/bugs/183/)

src/po/gd.po

@@ -6,7 +6,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: tuxpaint\n"
 "Report-Msgid-Bugs-To: \n"
-"POT-Creation-Date: 2022-01-28 02:17-0800\n"
+"POT-Creation-Date: 2022-02-05 16:41-0800\n"
 "PO-Revision-Date: 2021-09-02 12:18-0700\n"
 "Last-Translator: GunChleoc <fios@foramnagaidhlig.net>\n"
 "Language-Team: Fòram na Gàidhlig\n"
@@ -275,6 +275,43 @@ msgstr "Tàidh"
 msgid "ZH_TW"
 msgstr "Sìnis Thradaiseanta"
 
+#. Add menu items
+#: ../macos.m:44
+#, fuzzy
+#| msgid "Tux Paint"
+msgid "About Tux Paint"
+msgstr "Tux Paint"
+
+#: ../macos.m:49
+#, fuzzy
+#| msgid "Tux Paint"
+msgid "Hide Tux Paint"
+msgstr "Tux Paint"
+
+#: ../macos.m:52
+msgid "Hide Others"
+msgstr ""
+
+#: ../macos.m:55
+msgid "Show All"
+msgstr ""
+
+#: ../macos.m:59
+#, fuzzy
+#| msgid "Tux Paint"
+msgid "Quit Tux Paint"
+msgstr "Tux Paint"
+
+#. Put menu into the menubar
+#: ../macos.m:89 ../macos.m:97
+msgid "Window"
+msgstr ""
+
+#. "Minimize" item
+#: ../macos.m:92
+msgid "Minimize"
+msgstr ""
+
 #. Square shape tool (4 equally-lengthed sides at right angles)
 #: ../shapes.h:266 ../shapes.h:267
 msgid "Square"
@@ -1513,32 +1550,38 @@ msgstr ""
 msgid "Click to add noise to your entire picture."
 msgstr "Briog is slaod an luchag gus riasladh a thoirt air an dealbh gu lèir."
 
-#: ../../magic/src/perspective.c:151
+#: ../../magic/src/perspective.c:154
 msgid "Perspective"
 msgstr "Buaidh-astair"
 
-#: ../../magic/src/perspective.c:152
+#: ../../magic/src/perspective.c:155
 msgid "Panels"
 msgstr ""
 
-#: ../../magic/src/perspective.c:153
-msgid "Zoom"
+#: ../../magic/src/perspective.c:156
+#, fuzzy
+#| msgid "Zoom"
+msgid "Tile Zoom"
 msgstr "Sùm"
 
 #: ../../magic/src/perspective.c:157
+msgid "Zoom"
+msgstr "Sùm"
+
+#: ../../magic/src/perspective.c:161
 msgid "Click on the corners and drag where you want to stretch the picture."
 msgstr ""
 "Briog air na h-oisean is slaod iad gu far a bheil thu ag iarraidh an dealbh "
 "a shìneadh."
 
-#: ../../magic/src/perspective.c:159
+#: ../../magic/src/perspective.c:163
 #, fuzzy
 #| msgid "Click to turn your painting into its negative."
 msgid "Click to turn your picture into 2-by-2 panels."
 msgstr ""
 "Briog is slaod an luchag gus na dathan san dealbh gu lèir ais-thionndadh."
 
-#: ../../magic/src/perspective.c:161
+#: ../../magic/src/perspective.c:165 ../../magic/src/perspective.c:167
 msgid "Click and drag up to zoom in or drag down to zoom out the picture."
 msgstr ""
 "Briog is slaod suas airson sùmadh a-steach dhan dealbh no sìos airson sùmadh "