Allow Ukulele defines

Fix #85

patacrep/songs/chordpro/data/latex/content_define

@@ -1,4 +1,8 @@
+(*- if content.frets|length == 4 -*)
+\utab{
+(*- else -*)
 \gtab{
+(*- endif -*)
     ((- render(content.key) -))
 }{
     (*- if content.basefret -*)

test/test_chordpro/ukulelechords.sgc

@@ -0,0 +1,5 @@
+{language: english}
+{define: G frets 0 2 3 2}
+{define: D7 frets 2 2 2 3 fingers 1 1 1 2}
+{define: G frets 3 2 0 0 0 3}
+{define: A#+2 base-fret 7 frets 0 1 3 3 x x fingers - 1 2 3 - -}

test/test_chordpro/ukulelechords.source

@@ -0,0 +1,4 @@
+{define: G frets 0 2 3 2}
+{define: D7 frets 2 2 2 3 fingers 1 1 1 2}
+{define: G frets 3 2 0 0 0 3}
+{define: A#+2 base-fret 7 frets 0 1 3 3 x x fingers - 1 2 3 - -}

test/test_chordpro/ukulelechords.tex

@@ -0,0 +1,14 @@
+\selectlanguage{english}
+
+\beginsong{}[
+  by={
+  },
+]
+
+\utab{G}{0232}
+\utab{D7}{2223:1112}
+\gtab{G}{320003}
+\gtab{A#+2}{7:0133XX:012300}
+
+
+\endsong