tdf#129321 add specific ids for header/footer pages

Change-Id: Ie40f10cf09c7501c5babfb1d6825d881c0fd5fd2
Reviewed-on: https://gerrit.libreoffice.org/84938
Tested-by: Jenkins
Reviewed-by: Caolán McNamara <caolanm@redhat.com>
Tested-by: Caolán McNamara <caolanm@redhat.com>
(cherry picked from commit 16ac2e562235fb6c908ada4ce1af4cd67c473df3)
Reviewed-on: https://gerrit.libreoffice.org/84943
diff --git a/source/text/shared/01/05040300.xhp b/source/text/shared/01/05040300.xhp
index 2d7930d..945dd0c 100644
--- a/source/text/shared/01/05040300.xhp
+++ b/source/text/shared/01/05040300.xhp
@@ -28,10 +28,11 @@
   </meta>
   <body>
      <section id="kopfzeile">
<bookmark xml-lang="en-US" branch="hid/svx/ui/headfootformatpage/HFFormatPage" id="bm_id3154926" localize="false"/>
<bookmark xml-lang="en-US" branch="hid/svx/ui/headfootformatpage/HFFormatPage" id="bm_id3154925" localize="false"/>
<bookmark xml-lang="en-US" branch="hid/svx/ui/headfootformatpage/HFormatPage" id="bm_id3154926" localize="false"/>
<bookmark xml-lang="en-US" branch="hid/svx/ui/headfootformatpage/@@nowidget@@" id="bm_@@nowidget@@" localize="false"/>
<paragraph xml-lang="en-US" id="hd_id3155599" role="heading" level="1"><link href="text/shared/01/05040300.xhp" name="Header">Header</link></paragraph>
         <paragraph xml-lang="en-US" id="par_id3156027" role="paragraph"><ahelp hid="svx/ui/headfootformatpage/HFFormatPage">Adds a header to the current page style. A header is an area in the top page margin, where you can add text or graphics.</ahelp></paragraph>
         <paragraph xml-lang="en-US" id="par_id3156027" role="paragraph"><ahelp hid="svx/ui/headfootformatpage/HFormatPage">Adds a header to the current page style. A header is an area in the top page margin, where you can add text or graphics.</ahelp></paragraph>
      </section>
      <paragraph xml-lang="en-US" id="par_id3150693" role="paragraph">If you want, you can also add borders or a background fill to a header.</paragraph>
<switch select="appl">
diff --git a/source/text/shared/01/05040400.xhp b/source/text/shared/01/05040400.xhp
index a2b89df..1bae71f 100644
--- a/source/text/shared/01/05040400.xhp
+++ b/source/text/shared/01/05040400.xhp
@@ -28,9 +28,10 @@
   </meta>
   <body>
      <section id="fusszeile">
<bookmark xml-lang="en-US" branch="hid/svx/ui/headfootformatpage/HFFormatPage" id="bm_id3154927" localize="false"/>
<bookmark xml-lang="en-US" branch="hid/svx/ui/headfootformatpage/HFFormatPage" id="bm_id3154926" localize="false"/>
<bookmark xml-lang="en-US" branch="hid/svx/ui/headfootformatpage/FFormatPage" id="bm_id3154927" localize="false"/>
<paragraph xml-lang="en-US" id="hd_id3155620" role="heading" level="1"><link href="text/shared/01/05040400.xhp" name="Footer">Footer</link></paragraph>
         <paragraph xml-lang="en-US" id="par_id3156553" role="paragraph"><ahelp hid="svx/ui/headfootformatpage/HFFormatPage">Adds a footer to the current page style. A footer is an area in the bottom page margin, where you can add text or graphics.</ahelp></paragraph>
         <paragraph xml-lang="en-US" id="par_id3156553" role="paragraph"><ahelp hid="svx/ui/headfootformatpage/FFormatPage">Adds a footer to the current page style. A footer is an area in the bottom page margin, where you can add text or graphics.</ahelp></paragraph>
      </section>
      <paragraph xml-lang="en-US" id="par_id3145136" role="paragraph">If you want, you can also add borders or a background fill to a footer.</paragraph>
<switch select="appl">