section_levels: adopt Pronunciation in reasonable situations instead of moving it before first ety

list_mismatched_headlines: handle {{letter}}; is_headline: detect all declared templates

add missing lang_id to hyphenation templates

adjust limit; cleanup def_templates.tsv generation

added list_sectionlist_parser_errors.py

rename nest_aware_index -> nest_aware_find; added nest_aware_rfind

remove param count summaries

login()

use lang_name

don't crash on |t= value

new location for Reconstruction notes per ELE

handle alti

handle params explicitly allowed by checkparams

handle aliases, handle all -head and -pos templates

added exception for page with special formatting