Arch Linux User Repository

I made it work with some modifications (see DIFF below), still it yields an error when calling preferences or about:

ERROR

can't read "APPDATA(dspf1)": no such element in array
can't read "APPDATA(dspf1)": no such element in array
    while executing
".about.cv create image 0 $yy -image $APPDATA(dspf1) -anchor nw"
    (procedure "about" line 24)
    invoked from within
"about"
    invoked from within
".onm invoke active"
    ("uplevel" body line 1)
    invoked from within
"uplevel #0 [list $w invoke active]"
    (procedure "tk::MenuInvoke" line 50)
    invoked from within
"tk::MenuInvoke .onm 1"
    (command bound to event)

DIFF

diff --git a/PKGBUILD b/PKGBUILD
index [`9f9d0b0`](https://aur.archlinux.org/cgit/aur.git/commit/?h=hp15c&id=9f9d0b0)..36051bf 100644
--- a/PKGBUILD
+++ b/PKGBUILD
@@ -8,12 +8,20 @@ url="<http://hp-15c.homepage.t-online.de/content_web.htm>"
 arch=('any')
 license=('GPL3')
 depends=('tcl' 'tk')
-source=("$pkgname-$pkgver.zip::<https://drive.google.com/uc?export=download&id=1ewFXi6PPRsiPJESUq5A2Gp83NYSYVYKr>")
-md5sums=('c90cc630d9e5bdf70912f8cd754cc2cc')
+source=("$pkgname-$pkgver.zip::<https://drive.google.com/uc?export=download&id=1ewFXi6PPRsiPJESUq5A2Gp83NYSYVYKr>"
+   "01-hp15c-arch-docs.patch"
+   "hp15c_runner.sh"
+)
+md5sums=('c90cc630d9e5bdf70912f8cd754cc2cc'
+    'cb4a8e759f94860744057c20f90244e4'
+    'bdf3ff02949e3c716b782e8cec9ee8a1')

 prepare() {
     # patch location of help files to match Arch standards
-    patch -p1 -i '../01-hp15c-arch-docs.patch'
+    patch -p1 -i $srcdir/01-hp15c-arch-docs.patch
 }

 package() {
@@ -30,7 +38,7 @@ package() {

     # runs script in proper directory
     cp HP-15C.tcl -t "$pkgdir/usr/lib/$pkgname/"
-    install -D ../hp15c_runner.sh "$pkgdir/usr/bin/hp15c"
+    install -D hp15c_runner.sh "$pkgdir/usr/bin/hp15c"
 }

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