How to debug QElectrotech source code

qet/elements/10_electric/10_allpole$ cat qet_directory

<qet-directory>
    <names>
        <name lang="pl">Schematy wieloliniowe</name>
        <name lang="pt_br">Multifilar</name>
        <name lang="cs">Vícežilový</name>
        <name lang="it">Multifilare</name>
        <name lang="el">Πολυγραμμικό</name>
        <name lang="fr">Multifilaire</name>
        <name lang="de">Allpolig</name>
        <name lang="en">All-pole</name>
        <name lang="nl">Veel polig</name>
        <name lang="ru">Многополюсные</name>
        <name lang="da">Flere ledere</name>
        <name lang="es">Multifilar</name>
        <name lang="ja">複線</name>
        <name lang="hu">Többvonalas szimbólumok</name>
    </names>
</qet-directory>

qet/elements/10_electric/10_allpole/310_relays_contactors_contacts/01_coils$ cat bobine_tempo_travail.elmt

<definition type="element" link_type="master" hotspot_x="20" hotspot_y="29" version="0.5" width="40" height="60">
<uuid uuid="{14D69713-ADDE-4ACD-8654-50E3E60B61F7}"/><names>
        <name lang="be">Spoel met inschakel vertraging</name>
        <name lang="en">Coil with on delay</name>
        <name lang="hu">Tekercs be késleltetéssel</name>
        <name lang="fr">Bobine tempo travail</name>
        <name lang="ru">Обмотка</name>
        <name lang="es">Bobina de trabajo temporizado</name>
        <name lang="nl">mechanisch met opkomvertraging</name>
        <name lang="cs">Relé se zpožděným zapnutím</name>
        <name lang="de">Relais ansprechverzögert</name>
        <name lang="it">Bobina di relè ritardato</name>
        <name lang="el">Πηνίο χρονικού, καθυστέρηση ενεργοποίησης</name>
        <name lang="ar">ملف مُؤقت مع تاخير الإستجابة</name>
        <name lang="pl">Cewka przekaźnika działająca ze zwłoką przy wzbudzeniu</name>
    </names>
    <kindInformations>
        <kindInformation name="type" show="1">coil</kindInformation>
    </kindInformations>
    <informations>Author: The QElectroTech team
License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
    <description>
        <rect x="10" y="-8" antialias="false" style="line-style:normal;line-weight:normal;filling:none;color:black" width="4" height="16"/>
        <rect x="-14" y="-8" antialias="true" style="line-style:normal;line-weight:normal;filling:none;color:black" width="28" height="16"/>
        <line x1="14" end1="none" antialias="true" x2="10" length1="1.5" end2="none" length2="1.5" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="-8" y2="8"/>
        <line x1="10" end1="none" antialias="true" x2="14" length1="1.5" end2="none" length2="1.5" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="-8" y2="8"/>
        <line x1="0" end1="none" antialias="false" x2="0" length1="1.5" end2="none" length2="1.5" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="-20" y2="-8"/>
        <input x="2" tagg="none" y="19.3333" size="4" rotate="true" text="A2"/>
        <input x="2" tagg="none" y="-16.6667" size="4" rotate="true" text="A1"/>
        <line x1="0" end1="none" antialias="false" x2="0" length1="1.5" end2="none" length2="1.5" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="8" y2="20"/>
        <input x="25" tagg="label" y="3.3333" size="9" text="_"/>
        <terminal x="0" y="-21" orientation="n"/>
        <terminal x="0" y="21" orientation="s"/>
    </description>
</definition>

[07:28:59] laurent@debian:~/Qet-svn/git/qelectrotech-elements$ ./count_elements.sh 
8336 elements dans 1109 categories (soit 9445 fichiers)

#!/bin/bash

lang=${1:-fr}

# detecte les elements sans traduction anglaise
find . -type f -a \( -name "*.elmt" -o -name "qet_directory" \) -print0 | xargs -0 grep -L "<name lang=\"$lang\""

[07:36:19] laurent@debian:~/Qet-svn/git/qelectrotech-elements$ ./detect_non_translated_elements.sh

[07:35:20] laurent@debian:~/Qet-svn/git/qelectrotech-elements$ cat ./60_energy/21_refrigeration/Climatizacion/clima-vrv/te-vrv.elmt