Merge pull request #29 from jyasskin/mac-build

Tools: Switch to basic regexen because sed's flag to turn on extended regex is non-portable. Thanks to Jeffrey Yasskin!

Author: Stefanus Du Toit

tools/indexheader.sed

@@ -1,3 +1,3 @@
-s/(.*) indexheader/\\par \\textbf\{\1\}\\par/
+s/\(.*\) indexheader/\\par \\textbf\{\1\}\\par/
 
-s/(.*) xref/\1\\quad\\ref\{\1\}\\\\/
+s/\(.*\) xref/\1\\quad\\ref\{\1\}\\\\/

tools/makegram

@@ -1,6 +1,6 @@
 export LC_ALL=C
 cp ../tools/xrefbegin.tex xref.tex
 cp ../tools/alphabet xref.tmp
-cat $(cat ../tools/std.files) | sed -n -r -f ../tools/xref.sed >> xref.tmp
-sort -f < xref.tmp | sed -r -f ../tools/indexheader.sed >> xref.tex
+cat $(cat ../tools/std.files) | sed -n -f ../tools/xref.sed >> xref.tmp
+sort -f < xref.tmp | sed -f ../tools/indexheader.sed >> xref.tex
 cat ../tools/xrefend.tex >> xref.tex

tools/makexref

@@ -1,11 +1,11 @@
 # process ordinary section headers
-s/^\\rSec[[:digit:]]\[([^]]*)\].*$/\1 xref/p
+s/^\\rSec[[:digit:]]\[\([^]]*\)\].*$/\1 xref/p
 
 # process definitions
-s/^\\definition\{[^}]*\}\{([^}]*)\}.*$/\1 xref/p
+s/^\\definition{[^}]*}{\([^}]*\)}.*$/\1 xref/p
 
 # process informative annex headers
-s/^\\infannex\{([^}]*)\}.*$/\1 xref/p
+s/^\\infannex{\([^}]*\)}.*$/\1 xref/p
 
 # process normative annex headers
-s/^\\normannex\{([^}]*)\}.*$/\1 xref/p
+s/^\\normannex{\([^}]*\)}.*$/\1 xref/p