btctax-forms 0.14.0

Fill the official IRS fillable PDFs (Form 8949 + Schedule D) from btctax's computed tax data — offline, deterministic, geometry-verified (part of btctax).
Documentation 
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# Form 1040 (2017), capital-gains cell ONLY — logical cell → fully-qualified PDF field name.
# The 2017 capital gain is on LINE 13 ("Capital gain or (loss). Attach Schedule D if required"),
# split into a dollars field + a 2-digit cents field (a MoneyPair). The dollars field carries the
# IRS-glitched name `f1-_51` (with the stray hyphen — verified against the bundled PDF); its cents
# field is the adjacent `f1_52`. Amount column x-cluster (code-side oracle, form1040.rs
# F1040_CLUSTERS_2017): dollars cx ≈ 518 (the cluster excludes the cents widget at cx ≈ 565).
#
# The 2017 Form 1040 has NO Digital-Asset question (that began in 2020) → da_present = false and the
# map omits da_yes/da_no. The fill therefore produces the 1040 iff there is reportable CAPITAL activity
# (Schedule D active with line 16 ≥ 0); an income-only 2017 year yields no line-13 value ⇒ skipped.
form = "f1040"
year = 2017
da_present = false

line7a = { dollars_field = "topmostSubform[0].Page1[0].f1-_51[0]", cents_field = "topmostSubform[0].Page1[0].f1_52[0]" }