I’m trying to create a custom header and have tried this example from the thbook. layout elevation code tex-map \def\maplayout{ \legendbox{0}{100}{NW}{\cavename} } endcode endlayout I get the following errors ######################## pdftex log file ######################### This is pdfTeX, Version 3.1415926-2.4-1.40.13 (TeX Live 2012) (format=pdfetex 2012.6.30) 9 JUN 2014 11:30 entering extended mode restricted \write18 enabled. %&-line parsing enabled. **data.tex (./data.tex (./th_enc.tex) (./th_texts.tex) (./th_resources.tex (/usr/local/texlive/2012/texmf/tex/generic/pdftex/glyphtounicode.tex)) (./th_fontdef.tex{/usr/local/texlive/2012/texmf-var/fonts/map/pdftex/updmap/pdf tex.map}) (./th_formdef.tex) (./th_pagedef.tex ! Missing { inserted. <to be read again> } \legendbox ...\unskip \setbox \tmpboxa =\vbox {#4} \sx =\wd \tmpboxa \sy =\ht... \maplayout -> \legendbox {0}{100}{NW}{\cavename } l.12 \setbox\xxx=\hbox to \x{\maplayout \hfill}%\dp\xxx=0bp A left brace was mandatory here, so I've put one in. You might want to delete and/or insert some corrections so that I will find a matching right brace soon. (If you're confused by all this, try typing `I}' now.) ) (./th_pages.tex) 52 numeric registers used out of 32768 ! Missing } inserted. <inserted text> } <to be read again> \end l.653 \end I've inserted something that you may have forgotten. (See the <inserted text> above.) With luck, this will get me unwedged. But if you really didn't forget anything, try typing `2' now; then my insertion and my current dilemma will both disappear. Underfull \hbox (badness 10000) detected at line 653 [][][] \hbox(153.57375+0.0)x1256.69499, glue set 249.34053 .\pdfliteral{q 1.00 1.00 1.00 rg -28.34993 -181.34955 1308.68681 209.68948 re f Q} .\hbox(153.57375+0.0)x0.0 ..\pdfliteral{/OC /oc7 BDC} ..\pdfliteral{q 1 g} ..\hbox(153.57375+0.0)x0.0, glue set - 1254.6875fil ...\kern 0.0 ...\hbox(153.57375+0.0)x1254.6875 [] ...\glue 0.0 plus 1.0fil minus 1.0fil ..\pdfliteral{Q} ..\pdfliteral{EMC} ..etc. .\hbox(0.0+0.0)x0.0 ..\hbox(153.57375+0.0)x0.0, glue set - 1256.69499fil ...\kern 0.0 ...\hbox(153.57375+0.0)x1256.69499 [] ...\glue 0.0 plus 1.0fil minus 1.0fil .\glue 3.33333 plus 1.66666 minus 1.11111 .\glue 3.33333 plus 1.66666 minus 1.11111 .etc. Dave Clucas daveclucas.com sarawak-caves.com dave.clucas@icloud.com Exploring the World - One cave at a time